Massive solar array planned at ex-Napa landfill

AMERICAN CANYON -- Plans are under way to build the largest solar interconnect project in the North Bay at a closed regional sanitary landfill adjacent to the city of American Canyon. This landfill once served the cities of Napa, Vallejo and American Canyon, as well the county of Napa.

[caption id="attachment_56141" align="alignleft" width="405" caption="Artist's rendering of planned American Canyon "solar farm""][/caption]

“Preliminary permission to connect to the PG&E grid was reached during the first quarter of 2012 and is contingent upon approval of a 20 to 25-year power purchase agreement (PPA) with this utility,” said Larry Asera, CEO of the Green Tech Power Group, LLC.

“If the PPA is approved within the next 60-90 days, construction of the $20 million to $25 million solar power micro utility facility could begin this summer.”

Based on Mare Island in Vallejo, Green Tech, in collaboration with landowner Napa-Vallejo Waste Management Authority, will develop, own and operate a solar farm known as the Napa Solar Park.

 The authority will lease 62 percent of the closed landfill to Green Tech under terms of a 20-year solar project and ground lease agreement signed in June 2011. Green Tech was issued a use permit by Napa County in July of 2010.

Some 25,000 rectangular three by five foot solar panels will be installed on metal supports five-to-six feet above ground on 50 acres of the 80-acre landfill site during Phase I.

“We were able to save a substantial portion of the original project budget by using larger solar panels, instead of the 50,000 two-by-three foot panels in the early proposal,” Mr. Asera said. “Solar panels and related electronics account for 60 to 70 percent of the estimate.” 

When authorized and approved, Green Tech also has an option to build Phase II that would result in expanding the solar array field to include the remaining 30 acres, after the required permits and licenses are obtained.

The 6.7-megawatt Solar Photovoltaic Farm is being designed to generate over 7.5 million kilowatt-hours (kWh) of electricity per year, enough to supply the power needs of 5,000 homes.

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