In this hypothetical, that would allow a utility to run one coal plant and one gas plant but the average would decline over time.

WSJ: Review & Outlook: Carbon Power Politics

The utility says the nuclear plant will be immune to swings in natural gas prices and will not be affected by limits on carbon emissions if they are enacted in the years to come.

NPR: Tea Party Targeting Southern Co. Power Monopoly

The utility bought a half-built, 1, 200-megawatt gas-fired plant in Las Vegas from Duke Energy and finished it.

FORBES: Magazine Article

The utility bought a half-built, 1, 200-megawatt gas-fired plant in Las Vegas from Duke Energy (nyse: DKE - news - people ) and finished it.

FORBES: Lighting Las Vegas

The plant already provides 110MW of gas-fuelled power to EDM and the South African utility Eskom.

BBC: Glasgow-based Aggreko strikes new Africa deal