JP2003153441A - System and method for demand power supply - Google Patents

Abstract

PROBLEM TO BE SOLVED: To level power supply from a power supply side. SOLUTION: This power supply system comprises a power supply control device provided on power supply side, and a power receiving side control device respectively provided on the respective power supply sides and connected with the power supply side control device via a network so as to be communicable. The power supply side control device consists of a total scheduled power computing part for determining total scheduled power consumed on all power receiving sides, by summarizing scheduled power consumed on the respective receiving sides and is supplied from the respective receiving side control devices via the network; and a scheduled power charge computing part for determining the scheduled power charge based on the total scheduled power. The respective receiving part control devices comprise power control units for regulating power consumed on the corresponding power receiving side based on the scheduled power charge provided from the power supply control device via the network, and a scheduled power computing part for determining the scheduled power consumed on the corresponding power receiving side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric power supply and demand system for supplying electric power from an electric power supply side to a plurality of electric power reception sides at an electric power charge according to an electric power demand.

[0002]

2. Description of the Related Art In a conventional power supply and demand system, the amount of power generation is determined according to the transition of the power consumption of all users (power receiving side) who use the power supplied from the power company (power supplying side). Electric power is supplied from the supply side to the power receiving side.

[0003]

It is known from the past record of power consumption and empirical rules that the transition of the total power consumption changes according to the time zone, the season, etc. The amount of power generation is roughly determined based on past power consumption results, empirical rules, etc., and the difference between the maximum value and the minimum value of power consumption becomes relatively large. Therefore, the power generation facility on the power supply side must be a facility that can supply more power than the maximum power consumption so as not to stop the power supply even when the total power consumption is maximum. Instead, there was a tendency for the power generation facilities to become relatively excessive. For this reason, it is desired that the transition of the power consumed on the entire power receiving side be made as uniform as possible and the power supply from the power supply side be made as uniform as possible.

The present invention has been made in order to solve the above-mentioned problems in the prior art, and an object thereof is to provide a technique capable of making the power supply from the power supply side uniform as much as possible.

[0005]

Means for Solving the Problems and Their Actions / Effects In order to solve at least some of the above problems, the present invention provides
A power supply and demand system for supplying electric power from an electric power supply side to a plurality of electric power reception sides at an electric power charge according to an electric power demand, the electric power supply side control device provided on the electric power supply side, and each electric power reception side And a power receiving side control device communicatively connected to the power supply side control device via a network, wherein the power supply side control device is a planned power consumed by each power receiving side. The total planned power calculation unit that calculates the total planned power consumed by all the power receivers by aggregating the planned powers provided from the respective power receiver side control devices via the network, A planned power rate calculator that determines a planned power rate based on the planned power, and each power receiving side control device is provided from the power supply side control device via the network. A power control unit for adjusting the power consumed on the corresponding power receiving side based on the planned power charge, and a planned power calculating unit determining the planned power consumed on the corresponding power receiving side. It is characterized by being provided.

On the power receiving side of the power supply and demand system,
The planned power consumed on each power receiving side is calculated by the planned power calculating unit of each power receiving side control device. The required scheduled power is provided to the power supply side control device on the power supply side via the network. On the power supply side, the total planned power consumed by all power receiving sides is calculated by summing up the planned power provided from each power receiving side control device by the total planned power calculation part of the power supply side control device. .
Then, the planned power rate is calculated by the planned power rate calculation unit based on the total planned power rate. The calculated planned power charge is provided to the power receiving side control device on each power receiving side via the network. On each power supply side, the power control unit executes control for adjusting the consumed power based on the provided planned power charge.

Therefore, according to this power supply and demand system,
Total planned power consumed by all power receivers, that is,
It becomes possible to supply and demand electricity at an electricity rate according to the electricity demand.
In addition, obtaining the planned power on each power receiving side,
The peak of the power consumption of the entire power supply and demand system is obtained by repeatedly calculating the planned power rate on the power supply side based on the total planned power and adjusting the power consumed on each power receiving side. Can be dispersed to make it as uniform as possible. This makes it possible to make the power supply from the power supply side uniform as much as possible.

In the above power supply and demand system, it is preferable that the power supply side control device includes a power generation amount determining unit that determines a power generation amount based on the total planned power.

According to the above, it is possible to determine an appropriate amount of power generation according to the total planned power.

The concept of the present invention embodied as the power supply and demand system is the power supply and demand method, and the power supply side control device or the power supply side control device, the power supply side control device or the power supply side used in the power supply and demand system. It can be embodied in various forms such as a recording medium recording a computer program for constructing the control device.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below based on Examples.

A. Configuration of Power Supply and Demand System: FIG. 1 is an explanatory diagram showing an outline of a power supply and demand system as an embodiment of the present invention.

As shown in FIG. 1, on the power supply side PS,
The power generation facility 20 generates high-voltage electricity, and each power receiving side PU
To the power transmission line 30. The high-voltage electricity transmitted to the power transmission line 30 is converted into low-voltage electricity that can be used by the power receiving side PU by the transformer 32, and the external service line 3
4 is supplied to the internal lead-in wire 54 of the power receiving side PU. A power meter 36 is provided between the external lead-in wire 34 and the internal lead-in wire 54, and each power receiving side PU
The amount of electricity used in is measured. Internal service wire 54
Includes various electronic devices 60 used by the power receiving side PU.
Are connected, and electric power is supplied to each electronic device 60. In the example in the figure, the air conditioner (air conditioner)
60A and refrigerator 60B are shown. Further, the internal lead-in wire 54 has a power receiving side control device 50 described later.
Are connected.

Power receiving side control device 50 and each electronic device 60
Has a computer (not shown), and each I / O interface is connected to the internal service line 54 via the power line modem 52. When the power line modem is built in, the power line modem 52 is unnecessary. The external service line 34 is connected to the power line modem 42.
It is connected to the communication line 40 via (the same as the power line modem 52). Accordingly, the power receiving side control device 50 and each electronic device 60 are configured to be communicable via a network using the service lines 34 and 54 (hereinafter, referred to as “power line network”).

Similarly to the power receiving side PU, the power supplying side PS is also supplied with power via the transformer 32, the external lead-in wire 34, the wattmeter 36, and the internal lead-in wire 14. The power supply side PS is provided with a power supply side control device 10 described later, and is supplied with power via the internal lead-in wire 14. Further, the power supply side control device 10 has an I / O interface connected to the internal service line 14 via the power line modem 12 (same as the power line modem 52), and is configured to be communicable by a power line network.

By the way, the power supply side control device 10 and the power reception side control device 50 communicably connected via the power line network constitute the power supply and demand system of the present invention.

FIG. 2 is a block diagram functionally showing the structure of the power supply and demand system of this embodiment. As shown in FIG. 2, the power supply side control device 10 and the power reception side control device 50 of the power supply and demand system of this embodiment are configured to be communicable via a network.

The power supply side control device 10 is composed of various general computers such as a personal computer and a server computer, and has a power supply side power management unit 112, a total planned power calculation unit 114, and a planned power charge. The calculation unit 116 and the power generation amount determination unit 118 are provided. Further, in a storage device (not shown) such as a hard disk device, a database 110 that stores information such as the receiving side power information 102, the total planned power information 104, the planned power charge information 106, and the power generation amount information 108 is constructed. Has been done. As the receiving side power information 102, each power receiving side PU
The information about the planned power consumption and the information about the actual power consumption are included, and are notified from the power receiving side control device 50 of each power receiving side PU as described later. Total planned power information 1
As 04, information indicating the total sum of the planned power consumed by each power receiving side PU (hereinafter, referred to as “total planned power”) is included. The planned power charge information 106 includes information indicating a planned power charge calculated based on the total planned power information, as described later. Power generation information 108
It includes information indicating the amount of power generation determined based on the information on the total planned power, as described later.

The electric power receiving side control device 50 is also composed of a general computer, and has an electric power receiving side electric power management unit 512, a planned electric power calculation unit 514, and an electric power control unit 5.
16 are provided. In addition, in the storage device (not shown) such as a hard disk device, the power calculation information 502,
A database 510 that stores information such as planned power charge information 504 and power control information 506 is constructed. The power calculation information 502 includes information on planned power consumed by the power receiving side PU and information on actual power consumption. The planned power is calculated as described later. As the planned power charge information 504, the power supply side PS
The information of the power charge notified from the power supply side control device 10 is included. The power control information 506 includes control information for adjusting the power determined as described later.

Although only one power receiving side control device 50 is shown in FIG. 2, in reality, each power receiving side PU has a power receiving side control device 50, and a plurality of power receiving side control devices 50 are provided. A power supply and demand system is configured by the receiving side control device 50 and the power supply side control device 10.

B. Operation of the power supply and demand system: Fig. 3
3 is a flowchart showing an example of processing in the power supply and demand system. The flow on the left side of FIG. 3 shows the process in the power supply side control device 10, and the flow on the right side shows the process in the power supply side control device 50.

When the supply and demand of electric power is started between the electric power supply side PS and each electric power reception side PU, the operation of the electric power supply and demand system is started accordingly. First, in the power supply side control device 10, the supply side power management unit 112 notifies the power reception side control device 50 of each power reception side PU of the planned power consumed in each power reception side PU ( Hereinafter, a “planned power notification” is requested (step S102), and a reception waiting state for receiving the “planned power” (hereinafter, also referred to as “planned power reception waiting state”) is set (step). S104).

On the other hand, when the operation of the power supply and demand system is started, in the power receiving side control device 50, first, the power receiving side power management unit 512 requests a "notification of planned power" (hereinafter, "notification of planned power"). It is also in a reception waiting state for receiving a "request") (step S202). And
When the power receiving side power management unit 512 receives the “planned power notification request”, the planned power calculation unit 514
The “planned power” consumed by the power receiving side PU after the elapse of the predetermined time Tp is calculated, and the calculated “planned power” is registered in the database 510 as the power calculation information 502 (step S204). Note that the predetermined time Tp is not limited to one time, and a plurality of arbitrary elapsed times such as six times of 10 minutes, 20 minutes, 30 minutes, 1 hour, 2 hours, and 4 hours are set. Preferably, the “planned power” consumed after each elapsed time is calculated. Using the planned power for a plurality of elapsed times allows more detailed control of the power supply and demand executed in the processing of the power supply and demand system described later.

The expected power can be calculated by various methods shown below.

Each electronic device 60 in the power supply and demand side PU is
When each device does not have a function of managing power consumption and providing the management information to the power receiving side control device 50,
It can be calculated as follows.

The past record of power consumption is accumulated and registered as power calculation information 502. Expected power calculation unit 514
Calculates the “planned power” based on the past power consumption record registered as the power calculation information 502. For example, the "scheduled power" is calculated by comparing with the past few days and with the previous year.

Further, the "planned power" may be calculated by adding the past experience of power consumption and the prediction by the past experience side. For example, the "scheduled power" is calculated by taking into consideration the experience side due to the difference in weather, the difference in temperature, the difference in humidity, the difference in whether the resident is at home or not. Thereby, the prediction accuracy can be further improved.

Each electronic device 60 in the power supply / demand side PU is
In the case where each has a function of managing the power consumption and providing the management information to the power receiving side control device 50 via the power line network, it can be calculated as follows.

Power supply side control device 5 from each electronic device 60
0 is provided with “planned electric power of electronic device”. The planned power calculation unit 514 calculates the “planned power” based on each “planned power of the electronic device” provided from each electronic device 60.

The method of calculating the "planned power" is not limited to the above, and the "planned power" consumed in each power receiving side PU can be calculated by combining the methods of and. . That is,
Any method may be used as long as it can calculate the “planned power” consumed by each power receiving side.

The calculated "planned power" is notified to the power supply side control device 10 by the power receiving side power management section 512 (step S206). Then, the power receiving side control device 50 enters a reception waiting state for receiving the "scheduled power charge" (hereinafter, also referred to as "power charge receiving wait state") (step S208).

In the power supply side control device 10, in the "planned power reception waiting state" (step S104), when the "planned power" notified from each power receiving side PU by the power supply side power management unit 112 is received, The received “planned power” is the database 110 as the power information 102 on the receiving side.
Be registered with. Then, based on the received “planned power”, the total planned power calculation unit 114 sets a predetermined time T
After “p” has elapsed, “total planned power” consumed by all the power receiving side PUs is calculated, and the calculated “total planned power” is registered in the database 110 as the total planned power information 104 (step S106). This "total planned power" is the sum of planned power consumed in each power receiving side PU. The predetermined time Tp is 10
If six times of minutes, 20 minutes, 30 minutes, 1 hour, 2 hours, and 4 hours are set, the total planned power after each time is calculated.

Then, based on the calculated "total planned power", the planned power price calculation unit 116 calculates the "planned power price" after the elapse of the predetermined time Tp, and the calculated "planned power price". Is registered in the database 110 as the planned power charge information 106 (step S108). Specifically, the larger the “total planned power”, the higher the planned power charge, and the smaller the “total planned power”, the lower the planned power charge. In the calculation of the planned power charge, not only the total planned power but also know-how such as empirical rules on the power supply side may be taken into consideration.

The calculated "planned power charge" is notified to each power receiver control device 50 by the power supply power management unit 112 (step S110). The calculated “planned power charge” is not notified from the power supply side control device 10 to each power reception side control device 50, but from the power reception side control device 50 to the power supply side control device 10. You may go to get it. For example, each power receiving side control device 50 reads the “planned power charge” registered in the power supply side control device 10 or requests the transmission of the “planned power charge” transmitted from each power receiving side control device 50. The power supply side control device 10 may transmit the data accordingly. Further, the power supply side control device 10 may perform a multicast or broadcast to a plurality of power supply side control devices 50 connected via a power line network.

Further, the power generation amount determining unit 118 determines the "power generation amount" based on the calculated "total planned power" (step S112). Specifically, in the "total planned power", the "power generation amount" corresponding to the power considering the margin
Is determined. The past achievements and know-how of the experience side are taken into consideration in this decision. In addition, when the predetermined time Tp is plural, it is preferable that the power generation amount be determined based on the “total planned electric power” after the minimum time of the plural times has elapsed. For example, the predetermined time Tp is 10 minutes, 20 minutes, 30
If it is set to six times of minutes, 1 hour, 2 hours, and 4 hours, the power generation amount is determined based on the "total planned power" after 10 minutes have elapsed. However, the amount of power generation does not necessarily have to be determined based on the “total planned power” after the minimum time has elapsed. You may make it determine based on "total planned electric power" after arbitrary time progress of a some time.

Then, until the control of the power supply and demand system in the power supply side control device 10 is completed, step S
The processing from 102 to step S112 is repeatedly executed (step S114). The "planned power notification request" executed in step S102 is repeated at intervals of a predetermined time Tp. When the predetermined time Tp is plural, it is preferable that the predetermined time Tp is repeated at the minimum time interval among the plural times. For example, the predetermined time Tp is 10 minutes,
If it is set to six times of 20 minutes, 30 minutes, 1 hour, 2 hours, and 4 hours, it is preferable that the “planned power notification request” is performed at intervals of 10 minutes. At this time, the actual power charge is 1 at 10 minutes before the actual power consumption.
It is the "planned electricity rate" after 0 minutes. Note that the “planned power notification request” does not necessarily have to be executed at the minimum time interval among a plurality of times. You may make it perform at arbitrary time intervals among several time. Further, the actual power charge may be the “planned power charge” after an arbitrary time elapses before an arbitrary time when the actual power is consumed.

In the power receiving side control device 50, when the power receiving side power management unit 512 receives the "planned power rate" in the "planned power rate receiving waiting state" (step S208), the received "planned power rate" is received. Is registered in the database 510 as the planned power charge information 504. Then, the power control unit 516 determines the schedule of the power consumed by each electronic device 60 based on the received “planned power charge” and the power control information 506.
Is registered in the database 510 as In addition, the power control unit 516 instructs each electronic device 60 to adjust the power based on the power control information 506 via the power line network. Each electronic device 60 executes power consumption adjustment according to an instruction from the power control unit 516 (step S2).
10). Specifically, if the “planned power charge” after the lapse of the predetermined time Tp is high, the power consumption of each electronic device 60 until the lapse of the predetermined time Tp is increased to the planned power Tp.
The adjustment is performed so that the power consumption of each electronic device 60 after the passage is reduced.

Then, until the control of the power supply and demand system in the power receiving side control device 50 is completed, step S
The processing from 202 to step S210 is repeatedly executed (step S212).

After the power consumption of each electronic device 60 is adjusted, the process returns to step S202, and the "planned power" corrected according to the adjustment of the power consumption of each electronic device 60 is calculated. Then, on the power supply side PS, the corrected "planned power rate" is calculated and the power generation amount is determined according to the corrected "planned power".

In the processing of the power supply and demand system described above, the calculation and correction of the "planned power" is repeated on each power receiving side, and the "planned power rate" on the power supplying side.
The calculation and correction of and the determination and correction of the power generation amount are repeated.

The power supply and demand system can obtain the following effects by operating as described above.
That is, in the power supply side PS, the "planned power charge" is calculated based on the calculated "total planned power". As a result, it becomes possible to supply and demand electric power at an electric power charge according to the electric power demand.

In addition, for example, when it is expected that the "total planned power" after one hour becomes large and the "planned power charge" becomes high, the power control unit 516 in the power receiving side PU Air conditioner 6 via power line network
The 0A and the refrigerator 60B are controlled so as to be extraly cooled in advance. The air conditioner 60A and the refrigerator 60B perform extra cooling prior to one hour, and operate to suppress power consumption after one hour has elapsed. As a result, the power consumption is adjusted so as to be reduced after the lapse of one hour when the power charge is scheduled to increase. As a result, it is possible to reduce the power consumption after one hour has passed.

As described above, in the power supply and demand system of this embodiment, the "planned power" calculated by each power receiving side PU is provided to the power supply side PS and the "planned power" calculated by the power supply side PS. Adjusting the electric power consumed in each electric power receiving side PU according to the "electric power charge" is repeatedly executed. As a result, each power receiving side PU operates so as to suppress the power consumption during the time when the power charge is high, and operates so as to increase the power consumption during the time when the power charge is low. By repeating such an operation, the peak power consumption of the entire power supply and demand system can be dispersed, so that the peak amount of power consumption can be kept low. As a result, it is not always necessary to install an excessive power generator on the power supply side PS.

The smaller the difference between the "planned power" calculated on each power receiving side and the "power consumption" actually consumed, the more the "prescribed privilege" is given to the power receiving side. By doing so, it is considered that the difference between the “planned power” and the “power consumption” becomes smaller on the power receiving side. As the "predetermined privilege", for example, various benefits such as a discount on the basic electricity charge for the next month are conceivable. It can be any privilege as long as it is available. Thereby, the operation of the power supply and demand system is executed more effectively, and the peak of the power consumption as a whole can be more effectively dispersed, so that the peak amount of the power consumption can be suppressed to a low level.

C. Hardware Configuration of Power Supply and Demand System: Next, a hardware configuration of the power supply side control device 10 and the power supply and reception side control device 50 that configure the power supply and demand system of this embodiment will be briefly described.

FIG. 4 shows the power supply side control device 10 shown in FIG.
FIG. 3 is a block diagram showing the hardware configuration of the above. As described above, the power supply side control device 10 is configured by a general computer, and as shown in FIG. 4, it includes a CPU 150 for performing various processes and controls according to a computer program and various peripheral devices. From the I / O unit 152 for exchanging data and the like, the memory 154 for storing the computer program and the data obtained during the processing, the keyboard, the mouse, the tablet, etc. And an input device 156 for inputting an instruction from a user, and a CR
A communication device 1 that includes a monitor 158 for displaying data contents and the like, a modem, a terminal adapter, a network card, and the like, and is configured to perform communication with other devices via a network.
60, a hard disk device 162 for storing various information, and a CD-ROM drive device 166 for reading the CD-ROM 164 in which the computer program is written. The power line modem 12 shown in FIG. 1 is included in this communication device 160.

The database 110 described above is constructed in the hard disk drive 162. Further, the CPU 150 reads out and executes the computer program stored in the memory 154 to execute the above-described supply-side power management unit 112, total planned power calculation unit 114, planned power charge calculation unit 116, and power generation amount determination unit 1.
Function as 18.

In this embodiment, the computer program stored in the memory 154 is a recording medium CD-.
The CD-RO is provided in the form recorded in the ROM164.
By being read by the M drive device 166, it is taken into the power supply side control device 10. The loaded computer program is transferred to the hard disk device 162, and thereafter, at the time of startup, etc., the memory 154.
Transferred to. Alternatively, the read computer program may be directly transferred to the memory 154 without passing through the hard disk device 162.

As described above, in this embodiment, it is described that the CD-ROM is used as the "recording medium" for recording the computer program in a computer-readable manner. However, in addition to this, a flexible disk, a magneto-optical disk, an IC. Card, ROM cartridge, punch card,
It is possible to use various computer-readable media such as a printed matter on which a code such as a bar code is printed, an internal storage device (memory such as RAM or ROM) of the computer, and an external storage device.

In addition to providing the computer program in the form recorded on such a recording medium, the computer program accesses a program server (not shown) for supplying the computer program via a network, and the program server supplies power. You may make it take in in the supply side control apparatus 10.

A part of the computer program may be constituted by an operating system program.

Furthermore, in this embodiment, the power supply side power management unit 112, the total planned power calculation unit 114, the planned power charge calculation unit 116, and the power generation amount determination unit 118 are respectively provided.
Although it is realized by software, these may be realized by hardware.

On the other hand, the power receiving side control device 50 is also composed of a general computer as described above, and basically has the same structure as the computer shown in FIG. However, in the power receiving side control device 50,
The CPU 150 reads and executes the computer program stored in the memory 154 to function as the power receiving side power management unit 512, the planned power calculation unit 514, and the power control unit 516 described above.

In the planned power calculation unit 514 of the power receiving side control device 50, the power consumption inquiry protocol for inquiring the power consumption to each electronic device is operated to establish connection via the power line network. It is possible to acquire the power consumption of each electronic device. Further, by operating the power use control protocol that controls the operation of each electronic device in the power control unit 516, the operation of each electronic device connected via the power line network can be controlled.

D. Modifications The present invention is not limited to the above-described examples and embodiments, and can be implemented in various modes without departing from the scope of the invention.

In the above-described embodiment, the power supply side control device 10 and the power reception side control device 50 are constituted by general computers, but only the functions of the power supply side control device and the power reception side control device are provided. It may be configured by a computer for a specific purpose to execute, for example, a set top box, and can be configured by a device having various computer functions.

Although the power line network is used in the above embodiment, various other networks such as an existing telephone line and cable television vision line (C
ATV), etc. may be used.

In the above embodiment, the smaller the difference between the “planned power” calculated on each power receiving side and the “power consumption” actually consumed in each, the smaller the “prescribed privilege” is on the power receiving side. It is considered that the difference between the “planned power” and the “power consumption” becomes small on the power receiving side by providing As the "predetermined specification", various benefits such as a discount on the basic electricity charge for the next month are conceivable, for example, "planned power" and "power consumption" on the power receiving side.
Any privilege may be used as long as it works so that the difference between Thereby, it becomes possible to control the operation of the power supply and demand system with higher accuracy. As a result, the peak of power consumption as a whole can be dispersed, so that the peak amount of power consumption can be suppressed to a low level.

In the above embodiment, the larger the calculated "total planned power" is, the higher the planned power charge is, and the smaller the "total planned power" is, the lower the planned power charge is calculated. However, the present invention is not limited to this, and various calculations can be performed based on the calculated “total planned power” and know-how such as empirical measurement on the power supply side.

In the above embodiment, if the "planned power rate" after the predetermined time Tp elapses, the power consumption of each electronic device 60 until the predetermined time Tp elapses is increased, and after the planned power Tp elapses. Although the description has been given by taking the case where the power consumption of each electronic device 60 is adjusted in the above example as an example, the present invention is not limited to this, and various power adjustments may be performed according to the “planned power charge”. Is possible.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing an outline of a power supply and demand system as an embodiment of the present invention.

FIG. 2 is a block diagram functionally showing the configuration of the power supply and demand system of the present embodiment.

FIG. 3 is a flowchart showing an example of processing in the power supply and demand system.

4 is a block diagram showing a hardware configuration of a power supply side control device 10 shown in FIG.

[Explanation of symbols]

PS: Power supply side PU: Power receiving side 10 ... Power supply side control device 12 ... Power line modem 14 ... Internal lead-in wire 20 ... Power generation facility 30 ... Power transmission line 32 ... Transformer 34 ... External lead-in wire 36 ... Power meter 40 ... communication line 42 ... Power line modem 50 ... Power receiving side control device 52 ... Power line modem 54 ... Internal lead-in wire 60 ... Electronic device 60A ... Air conditioner (air conditioner) 60B ... Refrigerator 102 ... Receiving side power information 104 ... Total planned power information 106 ... Scheduled electricity charge information 108 ... Power generation amount information 108 ... Scheduled power generation information 110 ... Database 112 ... Supply side power management unit 114 ... Total planned power calculation unit 116 ... Scheduled electricity rate calculator 118 ... Power generation amount determination unit 150 ... CPU part 154 ... Memory 156 ... Input device 158 ... Monitor 160 ... communication device 162 ... Hard disk device 164 ... CD-ROM 166 ... CD-ROM drive device 502 ... Power calculation information 504 ... Scheduled electricity charge information 506 ... Power control information 510 ... Database 512 ... Receiving side power management unit 514 ... Scheduled power calculation section 516 ... Power control unit

Claims (7)

[Claims] 1. A power supply and demand system for supplying power from a power supply side to a plurality of power reception sides at a power charge according to a power demand, comprising a power supply side control device provided on the power supply side. A power receiving side control device that is provided on each power receiving side and is communicatively connected to the power supply side control device via a network, wherein the power supply side control device is provided on each power receiving side. A total planned power calculation that calculates the total planned power consumed by all the power receiving sides by aggregating the planned power to be consumed from each power receiving side control device via the network. And a planned power charge calculation unit that obtains a planned power charge based on the total planned power, each power receiving side control device is configured to connect the power supply side via the network. A power control unit for adjusting the power consumed on the corresponding power receiving side based on the planned power rate provided by the control device, and the planned power for obtaining the planned power consumed on the corresponding power receiving side. A power supply and demand system including a calculation unit. 2. The power supply and demand system according to claim 1, wherein the power supply side control device includes a power generation amount determining unit that determines a power generation amount based on the total planned power. 3. A power receiving side control device provided on the power supplying side and provided on each of the power receiving sides so as to supply the power from the power supplying side to the plurality of power receiving sides at a power charge according to the power demand. And a power supply side control device communicatively connected via a network, which is planned power consumed at each power reception side and is planned to be provided from each power reception side control device via the network. A total planned power calculation unit that calculates total planned power consumed by all power receivers by aggregating the power, and a planned power charge calculation unit that calculates a planned power charge based on the total planned power. , Power supply side control device. 4. A power supply side controller provided on the power supply side and a network provided on the power supply side for supplying power from the power supply side to the power supply side at a power charge according to the power demand. A power receiving side control device communicatively connected via the power receiving side based on the planned power charge provided from the power supplying side control device via the network. A power receiving side control device, comprising: a power control section for adjusting the power consumption; and a scheduled power calculating section for determining a scheduled power consumed on the power receiving side. 5. A power supply and demand method for supplying electric power from an electric power supply side to a plurality of electric power reception sides at an electric power charge according to an electric power demand, comprising: (a) planned electric power consumed on each electric power reception side. And (b) a step of obtaining total planned power by summing the planned power of each power receiving side obtained in step (a) on the power supply side, and (c) the power supply. On the side, based on the total planned power obtained in the step (b), a step of obtaining a planned power rate, and (d) on each power receiving side, based on the planned power rate determined in the step (c). A step of adjusting the power consumption, and (e) a step of correcting the scheduled power required in the step (a) on the basis of the power consumption adjusted in the step (d) on each power receiving side,
A power supply and demand method comprising. 6. The power supply and demand method according to claim 5,
(F) A power supply and demand method including a step of determining a power generation amount on the power supply side based on the total planned power calculated in the step (d). 7. The power supply and demand method according to claim 5 or 6, wherein (g) on the power supply side, planned power and actual power consumption within a predetermined period are provided for each power reception side in the previous period. The step of obtaining a predetermined privilege for each of the power receiving sides based on the obtained difference,
Electricity supply and demand method.