Idaho
Idaho Public Utilities Commission
Commissioners
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State Intelligence
Updated Jun 1, 2026Utility Landscape
Idaho Power Company
IOUSouthern Idaho and eastern Oregon, including Boise metro, Twin Falls, and Snake River Plain corridor
Idaho Power has pursued aggressive rate increases in recent years to fund transmission expansion and wildfire mitigation capital. The IPUC approved a significant general rate increase in 2024 and the utility has signaled further filings tied to clean energy transition costs under its 2045 clean energy commitment.
Avista Corporation
IOUNorthern Idaho including Coeur d'Alene, Sandpoint, and Moscow; also serves eastern Washington
Avista filed a general rate case in Idaho in late 2024 seeking recovery of natural gas distribution infrastructure upgrades and grid hardening investments. The IPUC has scrutinized Avista's capital spend allocation between Washington and Idaho jurisdictions.
PacifiCorp (Rocky Mountain Power)
IOUSmall service territory in southeastern Idaho, primarily Bear Lake and Caribou counties
PacifiCorp's Idaho presence is limited but active in multi-state cost allocation proceedings. Wildfire liability exposure from Oregon and California litigation has become a recurring concern in Idaho rate case discovery.
Intermountain Gas Company
IOUNatural gas distribution across southern Idaho from Boise to Pocatello and Idaho Falls
Intermountain Gas, a subsidiary of MDU Resources, filed a general rate case in 2025 seeking recovery of pipeline integrity and safety program costs. The IPUC is examining decoupling mechanisms as gas load growth moderates amid electrification pressure.
Fall River Rural Electric Cooperative
coopEastern Idaho including Ashton, Rexburg fringe, and Teton County rural areas
Fall River is navigating load growth from data center and agricultural electrification inquiries. As a cooperative it operates with lighter IPUC oversight but remains subject to commission jurisdiction on certain service territory and tariff matters.
Idaho Falls Power
muniMunicipal electric utility serving Idaho Falls city limits and adjacent areas
Idaho Falls Power is largely exempt from IPUC rate jurisdiction as a municipal utility but participates in regional transmission and wholesale market discussions. The utility has pursued hydropower relicensing on the Snake River as a long-term resource strategy.
Key Issues
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Idaho Power general rate case or rate adjustment filing anticipated in 2026 to recover costs associated with the Boardman-to-Hemingway 500kV transmission line and ongoing demand response and storage procurement under its Clean Energy Your Way framework
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IPUC examination of fixed charge and rate design equity following customer advocacy pressure and legislative interest in low-income assistance program expansion amid rising residential bills for Idaho Power and Avista customers
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Natural gas infrastructure prudency review in Intermountain Gas rate case, including scrutiny of whether pipeline safety capital investments are appropriately allocated between ratepayers and shareholders under Idaho cost recovery standards
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Integration of utility-scale solar and battery storage resources into Idaho Power's IRP, with IPUC Staff and intervenors pressing for more aggressive clean energy procurement timelines consistent with the utility's 2045 commitment
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Wildfire cost recovery and liability ring-fencing policies under active IPUC consideration following multi-state litigation developments affecting PacifiCorp and creating precedent pressure on Idaho-regulated IOUs for proactive wildfire mitigation plan requirements
Upcoming
Estimated deadline for IPUC Staff reply comments in Intermountain Gas Company general rate case docket; final order expected in Q3 2026 following evidentiary hearing scheduled earlier in summer
Estimated IPUC technical hearing on Idaho Power's 2025 Integrated Resource Plan compliance filing, including intervenor cross-examination on clean energy procurement adequacy and demand-side resource assumptions
Estimated deadline for Idaho Power to file its annual Power Cost Adjustment (PCA) true-up application for rate year beginning November 2026, triggering IPUC Staff review and potential customer rate adjustment
Estimated effective date for any approved Avista Idaho general rate case settlement or litigated order, contingent on IPUC scheduling; proceedings initiated in late 2024 are expected to reach final decision by fall 2026
Commissioner Watch
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Staff
48| Name | Title | Phone |
|---|---|---|
| Adam Rush | Public Information Officer | (208) 334-0339 |
| Maria Barratt-Riley | Executive Director | (208) 334-0300 |
| Terri Carlock | Utilities Division Administrator, Electricity and Economics | (208) 334-0300 |
| Stephen Goodson | Policy Advisor | (208) 880-1849 |
| Wayne Andrews | Railroad Safety Section Supervisor | (208) 334-0300 |
| Nancy Ashcraft | Senior Financial Specialist | (208) 334-0300 |
| CHRIS BURDIN | DEPUTY ATTORNEY GENERAL | (208) 334-0314 |
| Monica Barrios-Sanchez | Commission Secretary | (208) 334-0342 |
| Ryan Beus | Human Resource Specialist | (208) 334-0313 |
| Jolene Bossard | Utilities Compliance Investigator | (208) 334-0376 |
| Jeff Brooks | Pipeline Safety Section Supervisor | (208) 334-0300 |
| James Chandler | Auditor | (208) 334-0366 |
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