NYISO summer electricity supply adequate

The New York Independent System Operator (NYISO) said electricity supplies in the state should be adequate to meet expected demand this summer.

The NYISO forecasts that New York’s summer 2011 peak usage will reach 32,712 MW, according to its 2011 Summer Outlook. That is 740 MW, or 2 percent, lower than the 2010 summer peak of 33,452 MW.

“New York State is prepared for summer electricity demand,” said NYISO President and CEO Stephen G. Whitley. “Our electric system has ample generating capacity, transmission capability and demand-side resources to address expected peak usage.”

New York’s all-time record system peak of 33,939 MW was recorded on Aug. 2, 2006.

The 2010 peak load of 33,452 MW was 79 percent higher, or 14,787 MW, than the average daily demand of 18,665 MW in 2010.

The standard for resource adequacy sets requirements for reserves over and above the amount needed to meet forecasted peak demand. In 2011, the standard requires that 37,782 MW be available to serve New York. The total resources available to New York in 2011 is expected to be 43,068 MW, which includes 38,285 MW of existing in-state generation; 2,053 MW of demand response resources and 2,730 MW of import capability that could be used to supply energy from neighboring regions to New York.

The state added 8,650 MW of new generation capacity, nearly 1,300 MW of new transmission and 2,500 MW of demand response programs in the past decade.

The longer-term usage trend anticipates slower growth in peak demand, as well as overall energy use. Over the coming 10-year period, the NYISO expects peak demand to increase by 0.73 percent annually and overall energy use to grow by 0.41 percent.

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