A kilowatt-hour is the standard unit of measurement for electricity. Specifically, a kilowatt-hour is the unit of energy that is expended in one hour by one kilowatt of power. The total number of kilowatt-hours charged to your bill is determined by your electricity use.

This includes a 21 month program with a fixed rate of 6.91¢/kWh through April 2016 meter reads.The price will drop to 6.26¢/kWh for the remaining 12 months.

Thousands of residential electricity customers are powering their homes more easily with Constellation through fixed price agreements. Some of the benefits include long-term price protection against rate volatility and the ability to more easily budget and estimate costs based on your usage.

Constellation is a leading competitive retail supplier of power, natural gas and energy products and services for homes and businesses across the continental United States. Constellation's family of retail businesses serves more than 2.5 million residential, public sector and business customers, including more than two-thirds of the Fortune 100. Learn more at www.constellation.com or on Twitter at @ConstellationEG.

If you choose not to enroll, you will continue to receive your energy supply from your current provider.