Las Gallinas Valley Sanitary District 588 k W
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Las Gallinas Valley Sanitary District 588 k. W Solar System Megan Clark Board of Directors North Bay Watershed Conference April 2008
Las Gallinas Valley Sanitary District 588 k. W system Over 2 acres of PV Project sited in environmentally sensitive wetlands area Grade Beam Engineering Solution implemented as soil was “bay mud” bed rock 30 -90 ft depth
Background on LGVSD Located on the shores of San Pablo Bay Provides sewer service to over 32, 000 residents of Marin county On Average treats 3. 56 million gallons of wastewater per day
Why Solar? LGVSD treats over 3. 5 million gallons of wastewater everyday Power costs for pumping were draining the district’s budget Wanted to off-set 90% or more of the electrical power needs
Genesis of the LGVSD Solar Project How did it come about? How long did it take to get approval? Was the community involved in the decision?
Las Gallinas Valley Sanitary District – 588 k. W San Rafael, CA 6 Confidential Company
Results Off-setting over 90% Savings = $156, 000 annually Positive publicity Improved landscape New community asset: Wildlife refuge and trail system
Results – Cont. Electricity prices have risen 24% sinception of the solar system: $. 124/k. Wh $. 154/k. Wh
Savings = Funding for Necessary Repairs Half-Century Old Pipes Require Repair funding = $625, 000 annually. Reduction in electricity costs contribute to funds for repair
Ground Mount: Las Gallinas Valley Sanitary District: San Rafael, CA System Size: 588 k. W Energy Output: 1, 035, 519 KW 10 Confidential Company Savings: $156, 000 Annually Results: CO 2 emissions reduced by 1, 442, 281 pounds/year is equivalent to 1. 7 million car miles/year
Thank You
