Installed wind-generating capacity was up 20% to 47 gigawatts, again measured by peak output.

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Installed wind-generating capacity around the world grew 20% last year to 47 gigawatts (measured by peak output).

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Consumers have installed more than 140, 000 solar energy systems, with a generating capacity of 1.5 gigawatts, in the state to date, according to Vote Solar, a San Francisco-based non-profit.

FORBES: 9 Recommendations To Continue California's Local Clean Energy Boom

It says the world's installed wind capacity at the end of 2002 was 31, 128 megawatts, with Denmark the leading user, generating 20 percent of its electricity from the wind.

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