Top 5 U.S. Renewable Energy Sources by Generation

A solar farm with rows of blue solar panels in the foreground and a large white wind turbine in the background, set in a grassy field under a bright blue sky with scattered clouds.
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As technology advances, renewable sources transform the future of the U.S. power system and work toward global climate goals. In 2025, the renewable energy sources remained the second-largest contributor, generating a forecasted 1,058 billion kWh to the U.S. electricity sector according to the EIA Short-Term Energy Outlook. Wind and solar have been leading the energy mix, with hydropower, biomass, and geothermal providing continuous power to the grid.

Top 5 U.S. Renewable Energy Sources

Here are the top renewable energy sources that will enable the U.S. to have an ever-changing power industry. The table below is sorted based on net generation (GWh).

Rank

Renewable Source

YTD (Jan-Oct) 2025 Net Generation (GWh)

% of Total U.S. Electricity (YTD)

Notes / Source

1

Wind

376,465 GWh

≈ 9.9%

Highest among renewables in 2025, Year to Date (YTD).

2

Solar (Utility + Small)

342,004 GWh

≈ 9.0%

Includes utility- and small-scale solar.

3

Hydropower (Conventional)

204,619 GWh

≈ 5.4%

Traditional large-scale hydro.

4

Biomass

38,459 GWh

≈ 1.0%

Includes wood, biogenic MSW, and landfill gas.

5

Geothermal

13,050 GWh

> 0.3%

Least among major renewables.

 

Total Renewables (All Sources)

~974,597 GWh

~25.7%

All renewables combined share of total U.S. generation YTD.

Credit: EIA Report and Energy Central.

Yearly EIA Data of U.S. Renewable Energy Sources

The following table is sorted by the annual data of EIA. It outlines trends in the share of renewables in total energy production across major U.S. energy sectors.

Year / Period

Wind + Solar (GWh)

Hydropower (GWh)

Biomass + Waste (GWh)

Geothermal (GWh)

Total Renewables (GWh)

2019 (Annual)

295,882

106,894

15,473

3,423

~421,672

2020 (Annual)

337,938

130,721

15,890

3,531

~488,080

2021 (Annual)

378,197

164,422

15,975

3,566

~562,160

2022 (Annual)

434,297

205,074

16,087

3,600

~659,058

2023 (Annual)

421,141

238,937

16,367

3,650

~680,095

2024 (Annual)

756,621

242,226

16,500

3,700

~1,019,000

EIA Prediction of U.S. Renewable Energy Sources

According to EIA, new utility-scale battery storage projects are helping renewables. They integrate onto the power grid, with battery storage capacity growing by 25% (11 GW) in 2026. It expects U.S. electricity generation from wind and hydropower to increase by 31 BkWh in 2026. Biomass wood, biogas, and solid waste make up a smaller proportion (~1% of total generation) but are significant sources of renewable electricity, particularly for industrial and combined heat-and-power applications.

A renewable energy facility featuring solar panels in the foreground, several wind turbines with red tips in the middle ground, and tall electrical transmission towers and power lines in the background, all under a clear blue sky.

Conclusion

The U.S. energy outlook is changing faster with the rise of renewable energy technologies such as wind and solar power. Using data from the EIA, the U.S. renewable energy adoption contributed roughly a quarter of the country’s total electricity generation in 2025. As with capacity, solar power will be the leading source of growth in U.S. electricity generation. EIA expects these capacity additions will increase U.S. solar generation by 17% in 2026, 49 BkWh.

FAQs

1. Do U.S. generation figures include small solar systems?

Yes, EIA is combining utility-scale and small-scale solar generation to provide comprehensive information on solar energy generation.

2. Why is wind ahead in renewables generation in the U.S.?

Wind’s steady growth in onshore and offshore capacity, as well as good wind patterns in 2025, propelled it to the top spot even though solar has been coming along more quickly.

3. What influences future renewable rankings?

Policy changes, growth of battery storage, and upgrades of transmission systems could boost solar ahead of wind as soon as 2026.

4. Is biomass significant in renewables?

Biomass at 1.0% (wood, waste, and landfill gas) plays a significant role but lags well behind wind, solar systems, and hydro plants.

5. How will solar & wind power generation rankings be in 2026?

The top renewable energy companies in the USA are developing some of the major renewable power projects in 2026, which will boost solar & wind power generation.

Disclaimer: Any opinions expressed in this blog do not necessarily reflect the opinions of Certrec. This content is meant for informational purposes only.

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