26 Sep '12, 4pm

Adapting Gas-Fired Power to a Greener Grid

General Electric Rendering of a combined cycle gas plant that can adjust quickly to compensate for the less reliable flow of renewable energy to the grid. Making electricity from natural gas is cleaner than making it from coal or oil, but as gas gains a bigger market share in the business in the United States and elsewhere, the idea of what constitutes a good generator is shifting. General Electric announced a line of new models on Wednesday, with two interesting environmental twists. One is efficiency. New natural gas plants burn the fuel in something that resembles a jet engine that is chained to the ground and turning a generator. Over the years, as the technology of new models has improved, they have converted a fixed quantity of gas to larger and larger amounts of electricity. Modern plants are often “combined cycle” generators, meaning that the exhaust of one engine ...

Full article: http://green.blogs.nytimes.com/2012/09/26/adapting-gas-fi...

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Adapting Gas-Fired Power to a Greener Grid

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