What exactly does that mean in terms of real, available kWh generating output?

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As a result, the German power generators' association, the BDEW, says gas-fired electricity output in Germany fell last year by 13bn kilowatt hours, or 16 per cent, while coal-fired plants upped output by the same amount, recording a 5 per cent increase to 275.8bn kWh.

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Higgins intends to attach to the line 200 megawatts (peak output) of windmills, ostensibly generating electricity at a cost of 7 cents a kilowatt-hour, and has contracted to buy all the output of a 65-megawatt solar plant that would be an eco-loss-leader costing 25 cents per kwh.

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