Energy Storage Will Soon Replace Simple Cycle Combustion Turbine Peaker Plants. Power grids need extra generating capacity to work properly. For example, about 20 percent of New York Stateâs generation fleet runs less than 250 hours a year. Because they donât run much, âpeaker plantsâ are by design the cheapest and least efficient fossil generators.
The largest source of carbon dioxide (CO2) emissions are currently  from electric generation through the combustion of fossil fuels.  Particularly the burning of coal is mos â¦ t pollutive, as compared to  oil or natural gas generation.
Whatâs your carbon footprint and where does it come from? Posted on 29 April 2014 by Marcin Popkiewicz When I learned for the first time that an average European is responsible for emissions of almost 10 tons of carbon dioxide per year (and an American double that amount) I was really shocked.