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Planning for Efficiency

Forecasting the geographic distribution of demand reductions. Copyright © 2011 Consolidated Edison Company of New York, Inc.

Fortnightly Magazine - August 2011

Service Commission.

2. Con Edison operates 62 substations that serve 91 independent networked or non-networked (radial) load areas.

3. Residential CFLs were an exception. Con Edison initially overestimated the number of bulbs in use during evening periods.

4. Note that we aren’t asserting that the distribution of demand reductions is normal, as we have no way of knowing at this point. Thus, while we aren’t sure of the exact confidence level, we are aiming for high confidence.

5. A Con Edison network typically serves 100 to 200 MW of demand and includes more than 50,000 accounts. The relative demographic composition of networks does vary, but for the four main segments at issue (small and large commercial, single and multi-family residential), there is a sufficient amount of demand associated with each to support this assumption.

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