NARUC Summer Meeting. ENERGY RESOURCES & ENVIRONMENT COMMITTEE Marriott Marquis New York City July 16, 2007. Off-Peak Cooling with Thermal Energy Storage (TES) .
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& ENVIRONMENT COMMITTEE
New York City
July 16, 2007
Off-Peak Cooling with Thermal Energy Storage (TES)
Off-Peak Cooling with Thermal Energy Storage (TES):An energy efficient technology to reduce peak electricity demand, operating costs, and NOx & CO2 emissions.
From ISO-NE, 2007 CELT (Capacity, Energy, Loads and Transmission) and RSP (Regional System Plan) Forecast
CB p. 2
A large portion of peak demand (summer A/C driven) is for relatively few hours
CB p. 3
Generation capacity to meet summer peaks is run (and paid for) for few hours
CB p. 4
Even on the hottest and highest peak days, demand (and prices) drop at night
CB p. 5
Daily temperature prices) drop at nightNOx Emissions and High Electricity Demand Days (HEDD)
→Reductions of NOx on peak days will provide significant ozone reduction benefit