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Walmart expands solar installations in Hawaii

Kapolei, Hawaii -- Wal-Mart Stores Inc. announced Wednesday that, together with SunEdison, it has completed new solar power installations at three Walmart stores in Kahului, Kailua-Kona and Kapolei, Hawaii, doubling the total number of stores in Hawaii powered by renewable solar energy.

The installations contribute to Wal-Mart’s objective of being supplied 100% by renewable energy. Similar installations are already in operation atop the Honolulu Sam's Club and Mililani Walmart on Oahu, and the Lihue Walmart on Kauai.

During the first full year of production, the 311 kilowatt solar power rooftop system on each store will produce more than 400,000 kilowatt hours of solar electricity. Each rooftop system will eliminate 320 metric tons of CO2e annually. That means the three systems combined, over a 10-year period, will eliminate 9600 metric tons. One year of operation for each rooftop system is equivalent to removing 67 cars off the road for one year. That means the three systems combined will remove the equivalent of 2,010 cars over a 10-year period.

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