Energy Sources
Learn more about America''s energy sources: fossil, nuclear, renewables and electricity.
Customer Service
Menu
Menu
Learn more about America''s energy sources: fossil, nuclear, renewables and electricity.
Customer Service
How Much Energy Does a Wind Turbine Generate depends on several key variables, including turbine size, wind speed, air density, and the turbine''s efficiency rate.
Customer Service
WASHINGTON— The U.S. Department of Energy (DOE) today announced more than $35 million for 42 projects through DOE''s Technology Commercialization Fund (TCF) to help move
Customer Service
In 2024, wind and solar combined reached a record 17% of US electricity generation, overtaking coal for the first time. This clean, renewable energy source now powers millions of
Customer Service
Genesis Mission leverages the Department of Energy''s unique scientific datasets-spanning more than 100 petabytes of experimental and simulation data across every major domain of science—to double
Customer Service
Share of electricity production from wind, 2025 Measured as a percentage of total electricity produced in the country or region.
Customer Service
New organizational structure for the Office of Critical Minerals and Energy Innovation will channel federal resources to the most pressing energy and national security challenges of the 21st
Customer Service
Fiscal Year 2026 Budget Justification documents to support the Department of Energy Budget Request to Congress
Customer Service
Today, wind power is generated almost completely with wind turbines, generally grouped into wind farms and connected to the electrical grid. In 2023, there was an increase in the proportion of turbines
Customer Service
There are two main types of solar energy technologies—photovoltaics (PV) and concentrating solar-thermal power (CSP). On this page you''ll find resources to learn what solar
Customer Service
At the heart of wind energy generation lies a simple yet profound relationship: wind speed dictates energy output. Turbines possess a rated wind speed, which refers to the threshold at which
Customer Service
In 2023, the average rotor diameter of newly-installed wind turbines was over 133.8 meters (~438 feet)—longer than a football field, or about as tall as the Great Pyramid of Giza. Larger
Customer Service
In a wind turbine generator, 2 to 8 poles are commonly used, influencing speed, efficiency, and power output. The number of poles plays an essential role in performance optimization for
Customer Service
High wind speeds yield more energy because wind power is proportional to the cube of wind speed.4 Average annual wind speeds of 6.5m/s or greater at the height of 80m are generally considered
Customer Service
You may have heard some myths about renewable energy, and you''re probably wondering how you can learn the truth about wind turbines, solar panels, and the clean energy economy so you
Customer Service
The U.S. Department of Energy (DOE) today announced over $320 million in investments to rapidly advance the Genesis Mission''s artificial intelligence (AI) capabilities.
Customer Service
Emergency order increases grid stability and minimizes the risk of energy shortfalls in the Mid-Atlantic region of the United States.
Customer Service
With the pressing need for more American energy to meet the challenges of AI and secure our nation''s energy dominance, President Trump''s vision for a revitalized U.S. nuclear energy
Customer Service
Approximately 2% of solar energy striking Earth''s surface is converted into kinetic energy in wind. 1 Wind turbines convert this kinetic energy to electricity without emissions, 1 and can be built onshore
Customer Service
Wind flows over the blades creating lift (similar to the effect on airplane wings), which causes the blades to turn. The blades are connected to a drive shaft that turns an electric generator,
Customer ServicePDF version includes complete article with source references. Suitable for printing and offline reading.