Idaho
Idaho Public Utilities Commission
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State Intelligence
Updated May 26, 2026Utility Landscape
Idaho Power Company
IOUSouthern Idaho and eastern Oregon, serving approximately 600,000 customers including Boise metropolitan area
Idaho Power has been active with rate cases reflecting rapid load growth from data centers and semiconductor facilities in the Treasure Valley. The IPUC approved a significant general rate increase in 2024, and the company filed for additional infrastructure cost recovery tied to transmission expansion and wildfire mitigation.
Avista Corporation (dba Avista Utilities)
IOUNorthern Idaho including Coeur d'Alene, Sandpoint, and Moscow; also serves eastern Washington and Oregon
Avista received IPUC approval for a multi-year rate plan in recent proceedings and continues to seek cost recovery for natural gas infrastructure modernization and wildfire mitigation capital expenditures in its Idaho electric and gas service territories.
Rocky Mountain Power (PacifiCorp subsidiary)
IOUSoutheastern Idaho, including Pocatello and surrounding Bear River region communities
Rocky Mountain Power faces scrutiny at the IPUC over wildfire liability exposure following Oregon and California litigation against PacifiCorp, and has sought cost recovery for renewable energy transition investments including wind integration and transmission upgrades under its Energy Vision 2020 portfolio.
Intermountain Gas Company (Berkshire Hathaway Energy subsidiary)
IOUNatural gas distribution across southern Idaho, serving over 380,000 customers from Boise to Pocatello
Intermountain Gas filed a general rate case in 2024 seeking recovery of pipeline integrity and replacement program costs; the IPUC has been attentive to affordability concerns amid rising natural gas commodity prices affecting residential customers.
Fall River Rural Electric Cooperative
coopEastern Idaho including Teton Valley and portions of Fremont and Madison counties near the Wyoming border
Fall River operates under IPUC jurisdiction and has focused on grid reliability investments in its mountainous service territory, with ongoing cost pressures from wholesale power purchases through its power supply agreements.
Idaho Falls Power
muniCity of Idaho Falls and adjacent areas, served by municipally owned hydroelectric and purchased power resources
As a municipal utility, Idaho Falls Power operates largely outside IPUC jurisdiction but coordinates on interconnection and regional transmission matters; the utility has leveraged its low-cost hydro base to maintain competitive rates while exploring renewable additions.
Key Issues
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Large Load Growth and Data Center Interconnection: Idaho Power is managing unprecedented interconnection queue pressure from hyperscale data centers and semiconductor manufacturing in the Treasure Valley, prompting IPUC proceedings on cost allocation between new large loads and existing ratepayers for transmission and generation additions.
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Wildfire Mitigation Cost Recovery: All three Idaho IOUs are seeking or have recently obtained rate recovery for wildfire mitigation capital programs including vegetation management, situational awareness technology, and Public Safety Power Shutoff protocols, with IPUC scrutinizing prudency standards and cost-benefit methodologies.
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Natural Gas Infrastructure Transition: Intermountain Gas and Avista face regulatory pressure balancing near-term pipeline integrity investment recovery against long-term stranded asset risk as Idaho's clean energy policy landscape evolves; the IPUC has opened informal discussions on gas utility planning obligations.
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Renewable Portfolio and IRP Compliance: Idaho Power's 2023 Integrated Resource Plan projecting significant wind, solar, and storage additions is under ongoing IPUC review, with stakeholder disputes over retirement timing for coal assets at Bridger and Boardman plants and associated transition cost recovery mechanisms.
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Residential Rate Design and Affordability: The IPUC has received consumer advocate filings challenging tiered and time-of-use rate proposals from Idaho Power and Avista, with low-income advocates arguing that fixed charge increases disproportionately burden rural and fixed-income customers amid consecutive rate increases.
Upcoming
Estimated deadline for IPUC Staff and intervenor comments in Idaho Power's pending large load cost allocation docket; the proceeding is expected to produce a policy order establishing forward-looking interconnection cost responsibility rules for data center and industrial customers.
Estimated IPUC technical hearing on Avista's natural gas general rate case filed in early 2026, addressing pipeline replacement program recovery, capital structure adjustments, and revenue requirement; Office of the Attorney General consumer division expected to present demand-side management counter-testimony.
Estimated IPUC order on Idaho Power's 2023 IRP compliance filing and coal plant retirement schedule, including determination of prudency of Bridger Unit 3 and 4 accelerated retirement and approval of replacement resource procurement pathway.
Estimated commencement of Rocky Mountain Power general rate case proceedings at IPUC, anticipated filing reflecting transmission cost increases, wildfire liability reserve proposals, and renewable energy certificate accounting methodology changes applicable to Idaho jurisdictional customers.
Commissioner Watch
View all ↗Limited public information is available about John R. Hammond Jr.'s background prior to or surrounding his appointment to the Idaho Public Utilities Commission.
Limited public information is available about Dayn Hardie's specific background or the precise circumstances of his appointment to the Idaho Public Utilities Commission.
Limited public information is available to confirm the specific regulatory background and appointment details of Edward Lodge as President of the Idaho Public Utilities Commission.
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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