Final answer:
Coal is the energy source that can provide the greatest amount of electricity generation in the US due to its abundance. It was responsible for 42% of the power generation as of 2011, which is more than any other source at the time.
Step-by-step explanation:
The energy source that can provide the greatest amount of electricity generation in the US due to its abundance is coal. Despite the environmental challenges associated with its use, coal remains a major resource for electricity production in the United States due to its low cost and abundance. It accounts for a significant portion of the domestic energy supply, with production having doubled over the last sixty years. Coal's high energy density and domestic availability have made it a staple in the energy mix for many years.
According to statistics, as of 2011, coal was used for 42% of total power generated in the US, which is higher than other sources such as natural gas (25%) and nuclear power (19%). This is attributed to coal's high energy density and historical prevalence as the natural fuel for steam engines. However, there has been a recent increase in the use of natural gas, replacing coal, due to its lower carbon emissions.
The future energy landscape is likely to continue evolving as renewable energy sources gain traction and as the public and regulatory pressures mount to reduce carbon emissions and address climate change concerns. Nonetheless, for the present, coal remains the leading source for electricity generation in the US.