HomeMy WebLinkAbout04. (Handout) Regional Renewable Energy Procurement0
FJ
Regional Renewable
Energy Procurement
April 21, 2014
Engineering & Operations Committee Meeting
Planning Group
Central Contra Costa Sanitary District
Background
• Entered into MOU in January 2013
• 2 CSO sites (main building and vehicle repair
shop) and our HHWCF were included.
• Alameda County put project out to bid in late
Summer 2013.
• Proposals were due mid - January 2014.
• Alameda County evaluated 12 bids and selected
SunEdison as the winning vendor last month.
• Pace is accelerating due to some agencies having
deadlines to meet (CSI and Climate Action Plan).
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i
c,ecision Criteria for Evaluatinj�
20-Year Solar PPA
• Economic only decision?
• Triple bottom line? (financial, social,
environmental equally weighted)
• Support strategic plan?
➢Goal 1, Strategy 3 of Strategic Plan: "Explore
technologies that use less energy and produce
less greenhouse gases"
➢Goal 4, Strategy :1 of Strategic Plan: "Become a
"Net Zero Consumer" consistent with best
practice Utility of the Future models."
CSO Main Building
PPA- Initial Price $0..1698 per kWh
PPA- Net Beneflt(20- years) $450,000
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HHWC
PPA- initial Price $0.2066 per kWh
PPA- Net Beneflt(20•Years) $55,000
Vehicle Repair Shop
PPA- Initial Price $0.2115 per kWh
PPA- Not Beneflt(20- Years) $70,000
'I
• All solar systems result in net energy savings
• Savings begin in Year 1 of PPA
• Minimal energy savings with HHW and
Vehicle Repair Shop solar systems
• Most energy savings with CSO solar system
Benefits /Disadvantages
of 20 -Year Solar PPA
• Benefits
• Energy cost savings
• Energy independence /cost stability
• Reduced carbon footprint
• Participant in high visibility regional procurement effort
• Shaded storage /carports provided with canopy structures
• Supports strategic plan initiative to reduce imported
energy
• Disadvantages
• Minimal energy savings over the long -term, particularly
with HHW and Vehicle Repair Buildings
• Unforeseen costs (administrative, site modifications, etc)
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Board Direction on Criteria for
Evaluating 20 -Year Solar PPA
• Economic only decision?
• Triple bottom line? (financial, social,
environmental equally weighted)
• Support strategic plan?
➢Goal 1, Strategy 3 of Strategic Plan: "Explore
technologies that use less energy and produce
less greenhouse gases"
➢Goal 4, Strategy 1 of Strategic Plan: "Become a
"Net Zero Consumer" consistent with best
practice Utility of the Future models."
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