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July 26, 2007

PG&E Signs Agreement with Solel for 553 MW of Solar Power

San Francisco, California [RenewableEnergyAccess.com]

Pacific Gas and Electric Company (PG&E) entered into a landmark agreement with Solel-MSP-1 to purchase renewable energy from the Mojave Solar Park, which planned for construction in California's Mojave Desert.

"The solar thermal project announced today is another major milestone in realizing our goal to supply 20 percent of our customers' energy needs with clean renewable energy,"

-- Fong Wan, PG&E, VP of Energy Procurement

The project will deliver 553 megawatts (MW) of solar power to PG&E's customers in northern and central California. When fully operational in 2011, the Mojave Solar Park plant will cover up to 6,000 acres, or nine square miles in the Mojave Desert. The project will rely on 1.2 million mirrors and 317 miles of vacuum tubing to capture the desert sun's heat.

The electricity generated by Mojave Solar Park will use some of the transmission infrastructure originally built for the now dormant coal-fired Mojave Generation Station to deliver the power to PG&E's customers.

"The solar thermal project announced today is another major milestone in realizing our goal to supply 20 percent of our customers' energy needs with clean renewable energy," said Fong Wan, vice president of Energy Procurement, PG&E.

Solel Solar Systems of Israel is the parent company of Solel-MSP-1 LLC. The plant uses Solel's patented and commercially proven solar thermal parabolic trough technology. Over the past 20 years, the technology has powered nine operating solar power plants in the Mojave Desert and is currently generating 354 MW of annual electricity.

"We are thrilled to bring 553 MW of clean energy to California," said Avi Brenmiller, chief executive officer of Solel Solar Systems. "Our proven solar technology means Solel can economically turn the energy of the warm California sun into clean power for the state's homes and businesses."

The agreement filed with the California Public Utilities Commission is part of PG&E's broader renewable energy portfolio. PG&E currently supplies 12 percent of its energy from qualifying renewable sources under California's Renewable Portfolio Standard (RPS) program. PG&E is aggressively adding renewable electric power resources to its supply and is on target to exceed 20 percent under contract or delivered by 2010.

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Reader Comments (6)
 
No image available
July 26, 2007

I need more information about the cost of such project and is this the max. capacity this system can produce.

eaj123@gmail.com


Comment 1 of 6
No image available
July 27, 2007

From The San Francisco Chronicle, we have the following on cost for this project:

http://www.sfgate.com/cgi-bin/article.cgi?f=/n/a/2007/07/25/financial/f170204D70.DTL&hw=solel&sn=001&sc=1000

"The Mojave Solar Park [stated elsewhere at 553 megawatts in size], estimated to cost $2 billion, would dwarf the largest solar plants operating today, which generate less than 100 megawatts of electricity."

This, if true, would translate to ~ $3.62 per watt of capacity.


Comment 2 of 6
No image available
July 27, 2007
Concentrated Solar Power Plants of the Parabolic Trough type produce solar electricity at much lower costs as PV-Plants, due to their size in the multi MW-range and due to the more ore less simple technology. The collectors have a steel or aluminium structure on which mirrors and thermal reciever tubes are attached. However, the precicion of the space frames need to be very accurate. This has to be secured by an advanced quality control system. More information can be found on the website of the German Aerospace Center DLR: http://www.dlr.de/en/desktopdefault.aspx/tabid-618/1034_read-1412/
Comment 3 of 6
No image available
July 27, 2007

I would like to know the cost of this project per mw.

 


Comment 4 of 6
No image available
July 27, 2007
 Does anyone here know how thermal solar compares with PV cost and efficiency?
Comment 5 of 6
No image available
July 28, 2007
553 MW over 6000 acres. That's 553,000 KW per 24,280,000 square meters
or .0228 KW per square meter, or 2.28% efficiency over the entire area. Granted the entire area is not completely covered with solar collectors. Still that sounds pretty sad compared with 14% efficiency photovoltaic modules. Someone double check my math to make sure I didn't shift a decimal place.
Comment 6 of 6
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