
Idaho has a diverse energy mix, with hydropower being its largest resource. The state's first electric power plant was established in Idaho Falls in 1900, and the city has been generating its own electricity since then. Idaho Falls Power, a public power utility, currently operates five hydropower plants along the Snake River, providing about one-third of the city's electricity. The Bonneville Power Administration (BPA), a federal agency, markets electricity generated at 31 hydro facilities and a nuclear plant, supplying the majority of the power used in Idaho Falls and about one-third of electric power in the Northwest. Idaho Power Company (IPC), a regulated electrical power utility and subsidiary of IDACORP, Inc., owns and operates 17 hydroelectric dams and three natural gas power plants. IPC built most of its hydroelectric facilities between the 1940s and 1960s, and today, hydropower fuels four of Idaho's ten largest generating facilities.
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What You'll Learn
- Idaho Falls became the first city in the state with its own electric power plant in 1900
- Idaho Power Company (IPC) was incorporated in Maine in 1915
- IPC built most of its hydroelectric facilities during the 1940s, 1950s, and 1960s
- Idaho Falls Power supports local commerce, employs 93,000 people, and invests $2 billion annually in the community
- Idaho has no renewable portfolio standard (RPS) but offers incentives for renewable energy projects

Idaho Falls became the first city in the state with its own electric power plant in 1900
Idaho Falls played a pivotal role in the electrification of Idaho. In 1900, it became the first city in the state to have its own electric power plant, harnessing the power of the Snake River to bring light and energy to its residents. This was a significant milestone, as it marked the beginning of Idaho's journey towards widespread electricity access.
The early adoption of hydroelectric power in Idaho Falls set a precedent for the state's energy future. Over time, the city continued to build on this vision, adding, upgrading, and replacing power plants to ensure a reliable and consistent supply of electricity. This was made possible by the support of the local community, who recognised the value of having a municipally-owned utility. As a result, Idaho Falls Power, governed by the locally elected power board, has been able to provide low electricity rates for its residents.
The success of Idaho Falls Power has had a lasting impact on the state. Community-owned public utilities, similar to those in Idaho Falls, now power 2,000 communities across the country, serving over 49 million Americans. These public power utilities are not-for-profit entities, and they have a direct positive impact on their communities. They provide reliable and affordable electricity, with customers experiencing fewer power outages compared to those relying on private utilities.
Idaho Falls Power has continued to evolve and adapt its energy sources. While hydropower remains a key component, the utility has diversified its energy mix. It now includes sources such as natural gas, solar power, wind power, and geothermal energy. This diversification aligns with Idaho's broader energy landscape, where renewable energy plays an increasingly important role. In recent years, Idaho has ranked among the top states in the country for the share of electricity generated from renewable sources.
The legacy of Idaho Falls' early electrification efforts continues to shape the state's energy landscape. The city's pioneering spirit and commitment to community-owned power have contributed to a more sustainable and resilient energy future for Idaho. The state's diverse energy mix, including hydropower, wind power, and solar power, showcases the progress made since Idaho Falls first lit up with electricity over a century ago.
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Idaho Power Company (IPC) was incorporated in Maine in 1915
The Idaho Power Company (IPC), one of the oldest companies in the state, was incorporated in Maine on May 6, 1915. The company was created by combining several small local companies across the state into one regional corporation.
IPC was formed by the merger of Idaho-Oregon Light and Power, Idaho Railway Light and Power, Idaho Power and Light, Great Shoshone and Twin Falls Water Power, and Southern Idaho Power. In 1917, Thousand Springs Power also joined the company. This amalgamation of smaller local utilities served Idaho's residential, industrial, and business customers. IPC's headquarters were established in the City of Boise, where they remain to this day.
IPC's business involves the purchase, sale, generation, transmission, and distribution of electricity in eastern Oregon and southern Idaho. Its 24,000-square-mile service area generally follows the Snake River and its tributaries. IPC has 17 hydroelectric dams and three natural gas power plants, with a fourth under construction. The company also owns shares in coal-fired power plants and is working to reduce its reliance on coal and lower carbon emissions.
IPC's hydroelectric power plants have a significant generating capacity, and the company has invested in clean energy sources such as solar, wind, and geothermal. In 2023, IPC's electricity generation mix included hydroelectric power (36.8%), natural gas (15.4%), coal (13.0%), wind (9.8%), solar (5.4%), geothermal and biomass (2.3%), and power purchased from other generation companies (17.3%).
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IPC built most of its hydroelectric facilities during the 1940s, 1950s, and 1960s
Idaho Power Company (IPC), a regulated electrical power utility, built most of its hydroelectric facilities during the 1940s, 1950s, and 1960s. IPC's business involves the purchase, sale, generation, transmission, and distribution of electricity in eastern Oregon and southern Idaho. The company's service area of 24,000 square miles (62,000 km2) generally follows the area around the Snake River and its tributaries.
IPC has 17 hydroelectric power plants with a generation nameplate capacity of 1,988,615 kilowatts, making it one of the few investor-owned utilities in the nation with a significant hydroelectric generating base. Hydroelectric power accounts for about four-fifths of Idaho's electricity generation. IPC's hydroelectric facilities, which typically meet almost half of its customers' energy demands, include the following:
- Hells Canyon Complex, consisting of three dams (Brownlee Dam, Oxbow Dam, and Hells Canyon Dam), completed in 1968
- American Falls Dam power plant at river mile 714.7
- Milner Dam power plant at river mile 639.1
- Twin Falls power plant at river mile 617.4
- Shoshone Falls power plant at river mile 614.7
- Clear Lake power plant at river mile 593.0
- Thousand Springs power plant at river mile 584.7
- Mid-Snakes Project in Central Idaho on the Snake River, including the Upper Salmon Falls power plant (river mile 580.8), the Lower Salmon Falls power plant (river mile 573.0), and the Bliss Dam power plant
In addition to its hydroelectric facilities, IPC also owns and operates three natural gas power plants and shares in a coal-fired power plant. IPC has set a goal to provide 100% clean energy by 2045 and plans to invest in wind, solar, and other clean energy sources.
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Idaho Falls Power supports local commerce, employs 93,000 people, and invests $2 billion annually in the community
Idaho has come a long way in terms of electricity, with a diverse energy mix today. The state has substantial wind energy potential in the southern half along the Snake River and on mountain ridges. Idaho's electricity generation from utility-scale wind power farms began in 2005, and its first utility-scale solar power generation began in 2016. The state also has a significant hydroelectric generating base, with Idaho Power owning and operating 17 hydroelectric dams.
Idaho Falls Power, a public power utility, plays a crucial role in supporting the local economy and community. Firstly, it contributes to local commerce by providing electricity at affordable rates. Idaho Falls Power customers pay nearly 15% less than those served by private utilities. This not only benefits residents but also local businesses, fostering a favourable business environment.
Secondly, Idaho Falls Power provides employment opportunities for 93,000 people in the community. A robust job market is essential for economic growth and stability, and Idaho Falls Power's contribution is significant. Furthermore, the utility company reinvests in the community by investing $2 billion annually. This investment goes directly back into the community, supporting local initiatives and infrastructure.
The impact of such investments can be seen in the state's ability to attract major investments from companies like Micron Technology and Meta (formerly Facebook). In 2022, Micron announced a $15 billion investment in Boise, expected to create 2,000 direct jobs and over 17,000 indirect jobs. Meta chose Kuna as the location for its newest data centre, investing $800 million. These investments showcase the appeal of Idaho for businesses, bolstered by its low risk of natural disasters and stable climate.
Idaho's business-friendly environment is further evidenced by the expansion of companies like Go Go SqueeZ and Lactalis American Group, creating additional jobs and economic benefits. The state's diverse energy sources, including hydropower, wind, and solar, coupled with its commitment to renewable energy, also make it an attractive choice for businesses seeking sustainable practices. Overall, Idaho Falls Power's support for local commerce, employment, and community investment contributes to the state's thriving economy and makes it a desirable location for businesses and residents alike.
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Idaho has no renewable portfolio standard (RPS) but offers incentives for renewable energy projects
While Idaho lacks a renewable portfolio standard (RPS), it does offer a range of incentives to promote renewable energy projects. The state has a diverse energy mix, with a focus on clean and affordable hydropower, which is its largest resource. Idaho has substantial renewable energy potential, particularly in hydropower, wind, solar, biomass, and geothermal sources.
Hydropower is the primary source of renewable electricity in Idaho, with the state housing the nation's largest privately-owned conventional hydroelectric generating facility, the Brownlee plant, on the Idaho-Oregon border. Idaho Power Company (IPC), a regulated electrical power utility, owns and operates 17 hydroelectric dams, which provide a significant portion of the state's electricity generation.
To encourage the development of renewable energy projects, Idaho offers low-interest loans for energy efficiency initiatives and renewable energy endeavours. These loans are available for single-family homes and can be combined with utility incentives and federal and state tax credits and deductions. Additionally, the state's three investor-owned electric utilities offer net metering programs for small-scale, customer-sited renewable generation, allowing customers to offset the cost of power drawn from the utility.
Idaho also has a substantial wind energy potential, especially in the southern half of the state along the Snake River and on mountain ridges. The state's wind farms are located on the Snake River Plain, and wind facilities contributed about 15% of Idaho's total in-state electricity net generation in 2024.
Furthermore, solar energy plays a significant role in Idaho's renewable energy landscape. The state offers tax deductions for small-scale renewable energy-fueled devices used for residential heating or electricity generation. Solar panel generating systems can be found in both urban and rural areas, and utility-scale solar power generation began in 2016. Idaho Power buys energy from solar producers and has plans to increase its solar capacity further.
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Frequently asked questions
The City of Idaho Falls first got electricity in 1900 when a small generator was installed in an irrigation canal to power street lights.
Idaho Falls was the first city in Idaho to have its own electric power plant.
Not specified, but it was enough to power the street lights of Idaho Falls.
It is unclear which other cities got electricity in 1900, but Idaho Falls was the first city to have its own power plant.
The first nuclear reactor to supply electrical power to the US grid, including Idaho, was the BORAX-III, in 1955.











































