For example, Exelon Corp. gets about 90% of its profits from de-regulated nuclear plants, he says.

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They said that the rules were set by Margaret Thatcher's government when she de-regulated the City in the so-called Big Bang of 1986.

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Unlike some clean-energy technologies (e.g. solar photovoltaics), CHP does not depend heavily on government largesse to walk the chalk in de-regulated electric power markets like those in New York State.

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