Rates

Replacement of contract power in four stages

On April 1, 2011, contract power will have been replaced by minimum demand, calculated automatically, for all Rate M customers.

Until then, transitional measures will ensure a smooth integration of the changes.

Stage 1 Starting December 1, 2009	Last winter that contract power may be revised Optimization charge still applies Minimum billing demand is the higher of these two values: Contract pow or 40% of maximum power demand during a consumption period between December 1, 2009, and March 31, 2010.
Stage 2 Starting April 1, 2010	Contract power can no longer be revised; it will expire at the end of 12 consumption periods after the last revision Optimization charge no longer applies Minimum billing demand is the higher of these two values: Contract power, if not yet expired, or 40% of maximum power demand during a consumption period between December 1, 2009, and March 31, 2010.
Stage 3 Starting December 1, 2010	Your consumption history begins to be recorded in the consumption period that starts in December 2010 Minimum billing demand is the higher of these two values: Contract power, if not yet expired, or 65% of maximum power demand during a consumption period between December 1, 2010, and March 31, 2011.
Stage 4 Starting April 1, 2011	For all customers, minimum demand is set at 65% of maximum power demand in winter over the past 12 consumption periods.*

*As your consumption history will not begin to be recorded until December 2010, the first data considered will be from winter 2010–2011.