A new law on green energy gives few clues as to how new producers can sell power to the grid, or whether the incumbents have to buy it.

新出台的绿色能源法案几乎未说明，新发电商通过何种渠道向电网出售电力，也未说明现在的电力供应企业是否要购买新能源电力。

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If you weren't able to attend, look at the presentation grid at at IDUG.org and buy the conference CD.

如果您没有参加这次会议，可以在IDUG.org上查看会议内容并购买会议CD。

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To meet that need, utilities buy consistent always-on power from the large, cheap coal and nuclear power plants that are the backbone of the electric grid.

为了满足这一需求，公用事业单位购买稳定可用的电能总是会选择大规模而廉价的煤电厂和核电厂，它们才是电网的支柱。

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The deal has been helped along by the courts, which have recently upheld a power purchase agreement it had with National Grid to buy half of the power that it would generate.

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Concerned that Shnaider had no experience running critical infrastructure, the European bank gave up its option to buy 20% of the grid.

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While that still sounds expensive, compared to the five cents per kilowatt Ford pays to buy energy off the power grid, it's worth it, Ford says.

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