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Every year the EPA releases its list of top green power purchasers in the business world. We've dutifully reported on them for a while now on that annual schedule, but as it so happens these stats are updated on a quarterly basis. Relaying that info that frequently probably isn't necessary, but the latest quarterly stats, just announced, do have some changes that are particularly notable.

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As GreenBiz reminds us, as of three months ago, Walmart was in 15th place for green power purchases, but in the last calculations, the mega-retailer has moved up to third, with 28% of its overall power coming from renewable sources.

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872,382,088 kilowatt-hours of Walmart's electricity, in its facilities in Texas and California, now comes from either biogas, wind power, or solar power.

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The great majority of this comes from green power purchases, but 4% now comes from on-site generated renewable power, placing it in second place in the US for overall on-site generation, behind Kohl's. Last quarter Walmart was in fourth place in the EPA rankings, with 1% of its power generated on-site.

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Note: All of that is still a long way from Walmart's stated pledge of becoming 100% powered by renewables.

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The top-10 latest EPA green power purchasers by the latest calculations (company, percentage of overall power, amount of green power used annually):

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Intel Corp (88%; 2,502,052,000 kWh)

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Kohl's Department Stores (100%; 1,524,656,000 kWh)

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Walmart Stores/California and Texas Facilities (28%; 872,382,088 kWh)

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Whole Foods Market (106%; 800,257,623 kWh)

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Johnson & Johnson (52%; 553,565,521 kWh);

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City of Houston, TX (35%; 438,000,000)

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Starbucks (52%; 421,921,000 kWh)

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City of Austin, TX (100%; 406,000,000 kWh)

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Staples (52%; 341,509,408 kWh)

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Hilton (94%; 315,000,000 kWh)

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