First let’s look at what energy costs are now, as well as the sources and how much we use.
Currently we generate energy largely from Coal, Natural gas and Nuclear.
How much energy generated and consumed by the US was made by renewables? The EIA says
In 2013, renewable sources of energy accounted for about 10% of total U.S. energy consumption and 13% of electricity generation.
Additional Links and Sources
EIA cost of generating electricity by power plant–with many other questions at the bottom
The Economist article with arguments about the article
NYT op-ed renewables are great but need land
Union of Concerned Scientists–see part on stable energy prices
100% Renewable Energy Wikipedia lots of good links at the bottom including
- 20% reduction in emissions
- 20% renewable energies
- 20% improvement in energy efficiency