Water Conservation Partnerships
This article explores the outcomes and insights from a water conservation program implemented by PG&E in conjunction with partners in Stockton, CA. It discusses the success of the program, key takeaways, and plans for future coordination, particularly focusing on low-income oversight. The findings were presented on December 5, 2018, shedding light on the importance of collaborative efforts in promoting water conservation.
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Presentation Transcript
Water Conservation Partnerships: PG&E Test Program Results, Lessons Learned, and Future Coordination Program Plans Low Income Oversight Board Stockton, CA December 5, 2018
PG&E ESA Energy Water Conservation Plan Scope: A collaboration with water utilities and other stakeholders to develop a strategic leveraging plan to integrate and deliver existing water agency conservation program offerings with ESA Program offerings. 2
PG&Es Unique Challenges 700+ water retailers and 35+ water wholesalers Wide variety of climatological and hydrological regions Large ESA contractor network Source: https://water.ca.gov/LegacyFiles/climatechange/docs/CA_Climate_Science_and_Data_Final_Release_June _2015.pdf 3
ESA Test Program Program Design Basics: Cafeteria style Mix of interior and exterior conservation Customer data sharing agreement Referral to existing water agency programs 4
Water Agency Pilot Partners: 2016-2017 Partners California American Water Sacramento and Monterey/Salinas areas 373 customers served in pilot Solano County Water Agency Solano County 1021 customers served in pilot Water Measures and Services provided through pilot: Internal water audit External water audit (CalAm) Water conservation education ESA Hot Water Measures (Faucet Aerators, Low Flow Showerheads, Thermostatic Shower Valves) Only installed when PG&E does not provide the source of energy for water heating Cold Water Measures Toilet retrofits (CalAm) Flappers (CalAm) Hose nozzles (CalAm) Shower timers (CalAm) 5
Test Results and Lessons Learned PG&E successfully developed relationships with two of the largest water agencies in their territory and implemented co-funded Tests that provided incremental measures and services 1,394 ESA customers served Savings: Over 4.6 million gallons of water 8,028 KWh per year Leveraging ESA resources Water agencies are enthusiastic about working collaboratively to maximize water conservation efforts, as ESA Program provides a cost-effective way for water agencies to deliver conservation services Keeping it simple Selecting a limited set of water conservation measures that ESA Program contractors can readily implement reduces program complexity Menu-based approach to collaborative services Utilizing a menu-based approach allows water agencies to tailor programs for their customers that meet their regulatory and managerial/oversight board objectives See: PG&E Energy Water Conservation Plan Final Report. Prepared by Richard Heath & Associates, Inc. May 7, 2018. 6
Test Lessons Learned (cont) Specific challenges have been addressed in current water coordination efforts Dual qualification processes a challenge for field staff We have worked to streamline this and credit CalAm for their through analysis and ultimate decision to accept ESA as categorical eligibility Master meters create challenge to serving multi-family properties CalAm allowed these customers to receive services if the household is ESA qualified Manual data entry is a fault point We have worked to streamline and automate data collection in the field Cross-referrals We developed automated cross-referral process to ensure referrals make it to water agencies on a timely basis Flapper replacement were difficult There are too many models, and this measure was ultimately discontinued 7
2018-2020 ESA Water Coordination Program Water Agencies Currently Enrolled California American Water Solano County Water Agency Yuba County Water Agency Water Agencies in Process of Enrolling Alameda County Water District East Bay Municipal District Anticipate 10-12 agencies by end of 2019 8
Questions? Mary O Drain MJOb@pge.com
