A NEGAWATT MARKET IS A PROPOSED IDEA OF IMPLEMENTATION OF THE DEMAND RESPONSE (BALANCING THE ELECTRICAL GRID THROUGH THE CHANGES IN CONSUMPTION) THAT USES AN ENERGY MARKET WHERE THE COMMODITY TRADED IS A NEGAWATT-HOUR, A UNIT OF ENERGY SAVED AS A DIRECT RESULT OF ENERGY CONSERVATION MEASURES.
A "NEGAWATT REVOLUTION" WOULD INVOLVE THE RAPID DEPLOYMENT OF ELECTRICITY-SAVING TECHNOLOGIES, SUCH AS HEAT PUMPS.[1]
NEGAWATT POWER IS INVESTMENT TO REDUCE ELECTRICITY CONSUMPTION RATHER THAN INVESTING TO INCREASE SUPPLY CAPACITY. IN THIS WAY INVESTING IN NEGAWATTS CAN BE CONSIDERED AS AN ALTERNATIVE TO A NEW POWER STATION AND THE COSTS AND ENVIRONMENTAL CONCERNS CAN BE COMPARED.
NEGAWATT INVESTMENT ALTERNATIVES TO REDUCE CONSUMPTION BY IMPROVING EFFICIENCY INCLUDE:
IMPROVED THERMAL INSULATION AND AIRTIGHTNESS FOR BUILDINGS – LOW ENVIRONMENTAL IMPACT
REPLACING OLDER INDUSTRIAL PLANT – LOW ENVIRONMENTAL IMPACT. CAN HAVE A POSITIVE IMPACT DUE TO REDUCED EMISSIONS.
NEGAWATT INVESTMENT ALTERNATIVES TO REDUCE PEAK ELECTRICAL LOAD BY TIME SHIFTING DEMAND INCLUDE:
STORAGE HEATERS – OLDER SYSTEMS HAD ASBESTOS. NEWER SYSTEMS HAVE LOW ENVIRONMENTAL IMPACT.
DEMAND RESPONSE CONTROL SYSTEMS WHERE THE ELECTRICITY BOARD CAN CONTROL CERTAIN CUSTOMER LOADS – MINIMAL ENVIRONMENTAL IMPACT
THERMAL STORAGE SYSTEMS SUCH AS ICE STORAGE SYSTEMS TO MAKE ICE DURING THE NIGHT AND STORE IT TO USE IT FOR AIR CONDITIONING DURING THE DAY – MINIMAL ENVIRONMENTAL IMPACT
PUMPED STORAGE HYDROELECTRICITY – CAN HAVE A SIGNIFICANT ENVIRONMENTAL IMPACT – SEE HYDROELECTRICITY
OTHER GRID ENERGY STORAGE TECHNOLOGIES – IMPACT VARIES
NOTE THAT TIME SHIFTING DOES NOT REDUCE TOTAL ENERGY CONSUMED OR SYSTEM EFFICIENCY; HOWEVER, IT CAN BE USED TO AVOID THE NEED TO BUILD A NEW POWER STATION TO COPE WITH A PEAK LOAD.