In 2017, according to U.S. Energy Information Administration data, which of the following sources of energy contributed the largest share to U.S. electricity generation?

A) petroleum
B) nuclear
C) hydropower
D) natural gas

U.S. Electricity Generation

U.S. Electricity Generation denotes the process and methods used in the United States to produce electricity, including coal, natural gas, nuclear, and renewable energy sources.

Energy Information Administration

A U.S. Government agency responsible for collecting, analyzing, and disseminating energy information to promote sound policymaking, efficient markets, and public understanding of energy and its interaction with the economy and the environment.

Natural Gas

A fossil fuel formed from the remains of ancient marine organisms, used primarily for heating, cooking, and generating electricity.