Where the Northwest
shapes energy efficiency

RETAC Project

Scaled Deployment and Demonstration of Demand Response using Water Heaters with ANSI/CTA 2045 Technology (TIP 336)

Active 0617_Scale_54
10/1/2015 - 9/30/2018
Created 6/6/2017 by Tyler Dillavou
Updated 7/14/2021 by Geoff Wickes
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Contact and Funding
Lead Org(s): Bonneville Power Administration
Primary: Tony Koch206-220-6777jkkoch@bpa.gov
Secondary: Geoff Wickes
Project Objectives: This project will deploy 300 electric resistance and 300 heat pump CEA 2045 controlled water heaters in the Pacific Northwest (PNW), and execute demand response event use cases over a 12 month period.
Current Project Phase: Completed
Current Project Status: Recommend closing this and project and remove from list. Report is published on BPA's website.
Project Outcome: Research Questions PROVEN
Notes on Project Outcome: Demonstrate/educate the region of the value of grid interactive "smart" water heaters; Determine a statistically valid kW reduction (on-peak) from "smart" resistance and heat pump type water heaters; Demonstrate a 24/7 control paradigm for arbitrage and renewables integration that includes: Regular shift of kWh into a shaped load at night, Use of water heaters to absorb (or curtail) day-ahead and hour ahead wind forecast error
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Current Project Status History