Residential peak reduction program

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These programs provide incentives for commercial and industrial customers to reduce their use of electricity when the grid is stressed. New Energy Efficiency Programs — A new energy efficiency program for the summers of and for rapid deployment of energy savings at peak or net peak times, with payments to consumers made on a performance basis and energy savings measured at the meter; and augmentation of several existing energy efficiency programs that have proven to deliver savings rapidly and reliably.

New Dynamic Rate Plans — Adoption of two Dynamic Rates pilot programs to test the effectiveness of customer response to electricity rates that change rapidly during grid emergencies. One pilot will shift agricultural water pumping to off-peak times in response to price signals, while the other pilot will test how dynamic rates affect customer end-uses, such as electric vehicle charging.

Also expanded existing authorization to procure additional supply-side resources such as storage, imports, and gas plant efficiencies. Over the past three years, the Energy Department's Pacific Northwest National Laboratory PNNL has teamed up with Bonneville Power Administration, Portland General Electric and 10 utilities in the Northwest to study the load shifting and energy-efficiency potential of heat pump water heaters relative to electric resistance water heaters in residential buildings.

This field validation study included 10 weeks of data, almost water heaters heat pump and 86 electric resistance , and twice daily load shifts.

The results demonstrate a reduced risk for utilities and reduced costs to consumers. Across households in America, water heating is the second-largest energy user. Additionally, residential electric loads fluctuate, costing utilities much more at peak power than at base load power. The thermal characteristics of water heaters provide options to manage peak power requirements, but heat pump water heater load-shifting performance remains unproven in key regions with the greatest energy efficiency and peak demand reduction potential.

Over 10 weeks during winter, researchers monitored this field validation in the Northwest. The water heaters used the CTA protocol to shift water heater loads to reduce peak load and enable renewable energy integration.