報告書番号

EY92002

タイトル（和文）

DEMAND-SIDE MANAGEMENT OF JAPANESE ELECTRIC POWER INDUSTRY

タイトル（英文）

DEMAND-SIDE MANAGEMENT OF JAPANESE ELECTRIC POWER INDUSTRY

概要 （図表や脚注は「報告書全文」に掲載しております）

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概要 （英文）

DEMAND-SIDE MANAGEMENT(DSM)IS BECOMING AN INTEGRAL PART OF JAPANESE UTILIES BUSINESS. MAJOR UTILITIES ARE ACTIVELY ENGAGED IN SOME FORMS OF DSM,BECAUSE OF THE PEAK LOAD PROBLEM AND TIGHTENING GENERATING CAPACITY CONSTRAINTS,LOAD-SHAPE OBJECTIVES OF JAPANESEUTILITIES ARE FOCUSED MAINLY ON PEAK CLIPPING AND SECOND ON VALLEY FILLING AND LOAD SHIFTING. DSM IS IMPLEMENTED MAINLY ON AN INDIRECT BASIS.LOAD ADJUSTMENT CONTRACT AND NIGHT-ONLY SERVICE HAVE BEEN THE MOST SUCCESSFUL AMONG JAPANESE DSM PROGRAMS. NOW,TIME-OF-USE(TOU)RATES ARE BECOMING POPULAR(FOR INDUSTRIAL AND RESIDENTIAL CUSTOMERS). THERMAL STORAGEPROGRAMS FOR COMMERCIAL BUILDINGS ARE GROWING. UTILITIES HAVE FOCUSED ON INDUSTRIAL USERS IN THEIR EFFORTS TO BALANCE POWER SUPPLY AND DEMAND. TODAY,THEY ARE MAKING EFFORTS TO APPLY BROADER OPTIONS TO SMALLER CUSTOMERS.THIS REPORT OUTLINES THE DSM ACTIVITIES OF JAPANESE ELECTRIC UTILITIES WHO USE THE FOLLOWING PROGRAMS: (1)RATE SYSTEMS FOR LOAD SHIFTING,PEAK SHAVING AND OFF-PEAK LOAD GROWTH. SOME OPTIONS INCLUDE THE LOAD ADJUSMENT CONTRACT FOR LARGE INDUSTRIAL AND COMMERCIAL CUSTOMERS,TOU RATES FOR RESIDENTIAL AND INDUSTRIAL CUSTOMERS,AND THE NIGHT-USE FACTOR ADJUSTMENT CONTRACT FOR COMMERCIAL CUSTOMERS. (2)LOAD CONTROL OF APPLIANCES SUCH AS WATER HEATERS AND SPACE HEATERS(PART OF NIGHT-ONLY SERVICE). TOKYO ELECTRIC POWER COMPANY(TEPCO)HAS LAUNCHED A NEW DSM PROGRAM CALLED A HEAT STORAGE SERVICE FROM JULY 1991. THE UTILITY INSTALLS A THERMAL ENERGY STORAGE SYSTEM IN A CUSTOMER S BUILDING,LEASES IT TO THE CUSTOMER WHO MAKES THE HEAT STORAGE LOAD ADJUSTMENT CONTRACT,AND CONTROLS THE HEAT STORAGE TANK REMOTELY. KYUSHU ELECTRIC POWER COMPANY HAS BEEN FIELD TESTING DIRECT LOAD CONTROL OF AIR CONDITIONERS AND WATER HEATERS WITH A TWO-WAY FIBER-OPTIC COMMUNICATION AND CONTROL SYSTEM.

報告者

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