Energy demand is growing fast across Idaho Power’s service area. To ensure our customers continue receiving the reliable, affordable energy they depend on, Idaho Power is proposing an expansion of the   Bennett Mountain Power Plant in Mountain Home. The expansion could power up to 60,000 homes when customers’ energy needs are at their highest — like hot summer and cold winter days.

• Each unit would have an exhaust stack that measures up to 90 feet high.
• Over her lifelong career at Idaho Power, Grow has earned the respect of thousands of employees and leaders in the community through her sharp insight and passion for bringing safe, reliable, affordable power to our customers.
• The shaded areas indicate the outage is within those boundaries, not necessarily that the whole area is without power.
• Idaho Power has completed its 2025 Integrated Resource Plan (IRP) and filed it with regulators for review.

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We are protecting natural resources and ensuring our business thrives by cultivating sound, responsible business practices.Learn more. All payments take two to five business days to process. There’s a lot more to your Prime membership than fast, free delivery and access to tons of great entertainment benefits. Idaho Power can save money for its customers by expanding the Bennett Mountain Power Plant and using infrastructure that’s already in place, including a natural gas pipeline, substation, and transmission line. Our local roots run deep, and we’re proud of our strong support for the communities where our customers live and work.Learn more.

Get games, a Twitch channel subscription, and more gaming benefits every month. Idaho Power enlists the assistance of its customers in developing the IRP through an advisory panel — the Integrated Resource Plan Advisory Council (IRPAC). The expansion would comply with all local and national air quality standards. The Idaho Department of Environmental Quality must approve a Permit to Construct before the expansion is built. Idaho Power plans to apply for this permit by the end of August 2025 and expects to receive it by fall 2026. Find the latest information about our long-range and regional electrical plans to serve our growing customer base.Learn more.

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• Idaho Power can save money for its customers by expanding the Bennett Mountain Power Plant and using infrastructure that’s already in place, including a natural gas pipeline, substation, and transmission line.
• Idaho Power plans to apply for this permit by the end of August 2025 and expects to receive it by fall 2026.
• We are protecting natural resources and ensuring our business thrives by cultivating sound, responsible business practices.Learn more.
• Enjoy unlimited Same-Day delivery on eligible orders above £20, along with One-Day Delivery in the UK, and Priority Delivery to ROI on millions of items.

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The text message service is unattended and replies are not responded to or monitored. Conditions may change rapidly, especially during a storm or emergency, affecting the accuracy of outage information. The shaded areas indicate the outage is within those boundaries, not necessarily that the whole area is without power. The expansion would include nine generating units.

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Idaho Power expects to hire several permanent employees to help operate both this expanded power plant and others in the area. Idaho Power has assembled this list of educational resources to enhance public understanding of the IRP process and reduce the time spent in IRPAC meetings reviewing background material. Meet Lisa Grow, the CEO and President of Idaho Power and IDACORP and the second female engineer ever hired by the company.

The IRPAC includes major industrial customers, the environmental community, irrigation representatives, state and local elected officials, public utility commission representatives and other interested parties. Idaho Power has completed its 2025 Integrated Resource Plan (IRP) and filed it with regulators for review. The plan is updated every two years and includes a series of public meetings that help guide our planning process. For almost 110 years, Idaho Power has demonstrated a deep commitment to community partnerships. Construction would boost local businesses by bringing skilled trade professionals to the area.

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Each unit would have an exhaust stack that measures up to 90 feet high. As a regulated utility, you can learn more about our Idaho and Oregon residential, business, and irrigation tariffs, filings, and reports.Learn more. Quickly and easily pay your bill online using your My Account login. A convenience fee of $2.19 per residential account paid and 2.65% per commercial account paid applies to credit, debit, and ATM card payments.

Over her lifelong career at Idaho Power, Grow has earned the respect of thousands of employees and leaders in the community through her sharp insight and passion for bringing safe, reliable, affordable power to our customers. The Bennett Mountain Power Plant has been in operation for 20 years without any sound problems. The Bennett Mountain Power Plant has operated safely throughout its 20-year history. This plant is maintained by qualified Idaho Power employees trained in the safe operation of natural gas power plants. Idaho Power is working with the Mountain Home Fire Department and Elmore County Rescue to ensure a strong emergency response strategy for this proposed expanded facility. The expansion would include nine units flexible enough to generate anywhere between 10 and 167 megawatts, providing a fast-ramping resource that doesn’t depend on weather like wind and solar power.