Memorandum
Date: June 23, 2020
To: The Honorable Moke Simon, Chair, Lake County Sanitation District Board of Directors
The Honorable Moke Simon, Chair, Lake County Board of Supervisors
From: Jan Coppinger, Special Districts Administrator
Scott Harter, Special Districts Deputy Administrator
Subject: a) (Sitting as the Lake County Sanitation District Board of Directors) Authorize Special Districts Administrator to Sign Zero Cost Agreements with Tesla Energy for Power Pack Systems at Critical Infrastructure Locations; and b) Authorize Special Districts Administrator to Sign Zero Cost Agreements with Tesla Energy for Power Pack Systems at Critical Infrastructure Locations
Executive Summary: (include fiscal and staffing impact narrative):
Special Districts has qualified for 100% funding for battery backup systems at nine critical locations through the Self Generation Incentive Program (SGIP).
We intend to install the backup batteries at the SE Regional Sewer Treatment Plant, Northwest Regional Sewer Treatment Plant, SE Lift Station #1, SE Lift Station #2, NW Lift Station #1, NW Lift Station #2, Kelseyville Wastewater Treatment Plant, North Lakeport Water Treatment Plant and Spring Valley Water Treatment Plant.
These backup batteries will run at peak load for 4 hours, however, we would rarely run at peak load and can get up to 30 or more hours of run time from each battery if fully charged.
In addition to the PSPS events, we are now operating on PGE's Time of Use rate schedule which charges excessive rates from 4:00 pm until 9:00 PM, which is our peak demand period. The batteries will allow us to go to battery backup during the high rate period and recharge during the low rate period, saving an estimated 10 to 30% of current PGE costs.
The SIGP program pays for all engineering, design, installation and 10 years' worth of Operating and Maintenance costs. Our project will consist of 53 TESLA Power packs for a total product value of $7.9 million a...
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