concentrating solar power

Hollywood-based start-up Sunrgi claims its solar will be as cheap as coal -- and soon.

The cost: 5 cents wholesale per kilowatt-hour.

When: 12 to 15 months for commercial production.

Craig Goodman, president of the National Energy Marketers Associations, says it would be a godsend to the world:

Solar power at 5 cents per kWh would be a world-changing breakthrough. It would make solar generation of electricity as affordable as generation from coal, natural gas or other non-renewable sources, without requiring any subsidy.

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• Stacy Feldman's blog
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"Big Solar" may take on a whole new meaning if Desertec, the most ambitious solar thermal plan ever conceived, gets funded.

Its architects claim they can build a supergrid of concentrating solar thermal plants (CSP) that can meet most of Europe's current electricity needs by using just 0.3 percent of the deserts of the Middle East and North Africa (MENA) – and at a cost less than oil.

The long-term prospects look even sunnier.

After seven years of dead-end negotiations, Israel will soon turn 1,000 acres in the Negev Desert into giant solar thermal stations.

The $700 million enterprise will comprise two plants to supply 250 megawatts of power in total, equal to 2.5 percent of the nation’s electricity needs.

And it’s slated for solar stardom.