California utility PG&E plans 500 megawatts of solar power by 2015.
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Move highlights growing trend of electric utilities building, owning and operating their own renewable power generation plants.
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Energy tech company Optimal will use its new financial muscle to unveil products that it says will improve energy efficiency in utilities and produce “genius” homes.
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Texas utility company gets acquired in the heat of coal controversy.
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Database giant gobbles up two more companies in two days.
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Long-distance phone companies are the steadiest stocks of all.
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