Idaho’s energy environment is getting a major upgrade. The recent contracts between Idaho Power and Prevalon Energy aren’t just paperwork—they’re the future. We’re talking about a 200 MW/800 MWh Battery Energy Storage System (BESS) that’s about to change the game. Not exactly small potatoes for a state that’s been playing catch-up in the energy storage arena.
Let’s be real. Idaho has been lagging behind its showoff neighbors. California’s sitting pretty with 13,000 MW of battery storage while Arizona, Nevada, and Oregon each boast over 500 MW. Talk about FOMO. But that’s changing fast.
Idaho’s playing energy storage catchup, but the game’s changing. No more power FOMO in potato country.
The Idaho Conservation League has strongly supported this proposal as it addresses the increasing demand for electricity while improving grid reliability during extreme weather events.
The Prevalon HD 511 system isn’t your average battery setup. It packs a punch with 5.11 MWh per 20-ft enclosure. That’s dense. Really dense. And it’s not just big—it’s smart, with cybersecurity standards that would make a hacker cry.
These systems aren’t just fancy tech toys. They’re the backbone of Idaho Power’s ambitious clean energy goals. 100% clean energy by 2045? Good luck doing that without somewhere to store all that intermittent wind and solar power. Idaho’s got 5,000 MW of renewable energy planned over the next 20 years. That energy has to go somewhere when the sun sets.
Money talks. The Kuna BESS project secured a cool $323 million in financing with a 20-year utility agreement. That’s commitment.
These aren’t just batteries. They’re net peak solutions—fancy talk for “keeping your lights on when everyone’s cranking their AC.” And they’re coming online by 2026.
Idaho’s historically been a hydropower state. Great for consistent power, terrible for flexibility. These new storage systems change that equation entirely.
The partnership between utilities and tech companies is creating something unprecedented in Idaho’s energy framework. The selection of Prevalon Energy came after a competitive bidding process, ensuring Idaho Power customers receive the most reliable and cost-effective solution available. A grid that’s smarter, more responsive, and ready for whatever the future throws at it. Not bad for a state better known for its potatoes than its energy innovation.
This investment aligns with the global trend toward expanding energy storage capacity, which is crucial for grid stabilization as renewable energy sources continue to replace traditional fossil fuel generation.
References
- https://idahoconservation.org/blog/idahos-energy-future-why-battery-storage-is-a-smart-move/
- https://oemr.idaho.gov/wp-content/uploads/2025-Idaho-Energy-and-Mineral-Landscape.pdf
- https://www.energy.gov/oe/articles/energy-department-launches-2nd-round-energy-storage-innovations-prize
- https://prevalonenergy.com/prevalon-energy-expands-footprint-in-idaho-with-second-bess-contract-from-idaho-power/
- https://www.renewableenergyworld.com/power-grid/idaho-utility-adding-biggest-battery-in-the-state-to-enhance-resiliency/