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State Intelligence
Updated May 26, 2026Utility Landscape
MidAmerican Energy Company
IOUWestern and central Iowa, serving approximately 800,000 electric and gas customers across 61 counties
MidAmerican has pursued a wind-heavy capital investment strategy under its 'Green Advantage' program, repeatedly seeking rate riders for renewable additions. The IUC approved significant wind generation tariff riders in recent years; ongoing scrutiny focuses on cost allocation between Iowa retail and wholesale customers.
Alliant Energy / Interstate Power and Light (IPL)
IOUEastern and central Iowa, serving approximately 500,000 electric customers and 220,000 gas customers across roughly 50 counties
IPL has been active before the IUC on solar generation additions and natural gas rate adjustments. The commission has scrutinized IPL's coal plant retirement timelines and associated securitization requests as the company transitions its generation portfolio.
Black Hills Energy Iowa (formerly SourceGas / Black Hills Corp)
IOUNorthwest Iowa natural gas distribution, primarily serving the Sioux City metro area and surrounding communities
Black Hills filed a general gas rate case before the IUC seeking infrastructure cost recovery; the commission has emphasized pipeline integrity and safety investment justification in its review of Black Hills' infrastructure tracker requests.
Iowa Association of Electric Cooperatives (member: Corn Belt Power / Maquoketa Valley REC, etc.)
coopRural territories statewide through distribution cooperatives served by Corn Belt Power Cooperative as the generation and transmission entity
Iowa distribution cooperatives are largely exempt from IUC retail rate jurisdiction but engage the commission on interconnection standards and right-of-way matters. Corn Belt Power's resource planning decisions increasingly involve renewable procurement from MISO markets.
Cedar Falls Utilities
muniCity of Cedar Falls and portions of Black Hawk County, providing electric, gas, water, and broadband services
Cedar Falls Utilities operates as a vertically integrated municipal utility with broadband service and is subject to limited IUC oversight on certain gas distribution matters. It is frequently cited as a model for municipal broadband integration in Iowa policy discussions.
ITC Midwest (subsidiary of Fortis Inc.)
IOUHigh-voltage transmission infrastructure across Iowa, Minnesota, Illinois, and Missouri; not a retail distribution utility
ITC Midwest is FERC-jurisdictional for transmission rates but engages the IUC on siting and eminent domain matters for new transmission lines. Its Iowa projects, including MISO Tranche 1 portfolio lines, have triggered IUC certificate of public convenience and necessity proceedings.
Key Issues
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MISO Tranche 1 and Tranche 2 transmission line siting proceedings: Multiple certificate of public convenience and necessity (CPCN) cases are active before the IUC for high-voltage lines assigned to ITC Midwest and other transmission owners, with landowner opposition, eminent domain concerns, and route selection disputes as central flashpoints.
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MidAmerican Energy renewable energy rider cost recovery and rate design: The IUC continues to evaluate MidAmerican's wind and solar investment cost recovery mechanisms, including the appropriate return on equity for rider-eligible projects and whether large industrial customers bear a disproportionate share of renewable surcharges.
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IPL coal plant securitization and early retirement cost recovery: Interstate Power and Light has sought IUC authorization for securitization financing tied to accelerated retirement of coal generation assets; proceedings involve complex questions about stranded cost recovery, ratepayer protections, and consistency with Iowa's regulated utility statutes.
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Natural gas infrastructure tracker and rate case activity: Black Hills Energy and IPL both have active or recently closed gas distribution rate proceedings, with the IUC scrutinizing the pace of infrastructure replacement spending, tracker mechanism design, and the allocation of fixed costs between customer classes.
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Broadband and electric cooperative service territory boundary disputes: Iowa's substantial federal broadband funding flows (BEAD program, USDA ReConnect) are triggering service area overlap conflicts between rural electric cooperatives, municipal utilities, and private ISPs, with the IUC peripherally involved where electric service territory certificates intersect with broadband build-out decisions.
Upcoming
Estimated deadline for intervenor initial briefs in ITC Midwest MISO Tranche 1 transmission siting docket(s); landowner groups and agricultural organizations expected to file substantive route objections and alternative corridor proposals before the IUC administrative law judge.
Estimated IUC decision deadline for MidAmerican Energy's pending renewable energy rider rate adjustment filing; commission expected to rule on updated capital cost inputs and return on equity parameters applicable to the 2026 rider tariff year.
Estimated target for IPL to file updated integrated resource plan (IRP) with the IUC reflecting revised coal retirement schedules, solar additions, and battery storage procurement commitments, consistent with prior commission guidance on IRP update frequency.
Estimated oral argument or evidentiary hearing date in Black Hills Energy Iowa general gas rate case before the IUC; key issues include rate of return, capital structure, and the scope of eligible infrastructure tracker investments to be rolled into base rates.
Commissioner Watch
View all ↗Gov. Kim Reynolds appointed Sarah Martz as Chair of the Iowa Utilities Commission; she had been serving as a commissioner since May 2023.
Staff
27| Name | Title | Phone |
|---|---|---|
| Melissa Myers | Communications Director | (515) 725-7306 |
| Marie Jeanblanc | Manager, Customer Service | (515) 725-7330 |
| Sanel Lisinovic | PHMSA Program Manager/Manager, Pipeline Safety & Engineering | (515) 725-7300 |
| Ralph Marasco | General Counsel | (515) 725-7300 |
| Wendy McElvain | Manager, Regulatory Analysis | (515) 753-5307 |
| Nichol Toomire | Chief Operating Officer | (515) 725-7314 |
| Jenny Bass | Executive Assistant to the Commissioners | (515) 725-7888 |
| Robert Beran | Senior Utility Analyst | (515) 725-0554 |
| Emily Clapham | Utilities Regulation Engineer | (515) 782-4421 |
| Teri Clevenger | Human Resources | (515) 725-7313 |
| Ryan Faber | Utilities Regulation Engineer | (515) 725-7300 |
| Chuck Floyd | Utilities Regulatory Engineer | (515) 725-0368 |
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