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Ohio Supreme Court Unanimously Rules Submetering Companies Must Be Regulated Like Utilities — AEP Ohio Wins, Nationwide Energy Partners Loses
OH
Utility Regulation / Consumer Protection / Ohio Supreme Court
April 24, 2026
Source: Columbus Dispatch
The Ohio Supreme Court ruled unanimously that submetering companies — the third-party middlemen who buy electricity wholesale from the utility and resell it to apartment and mobile-home tenants — must be regulated under Ohio's public-utility framework. The decision sides with AEP Ohio, which brought the underlying challenge, against Nationwide Energy Partners (NEP) and the rest of the submetering industry.
The court's opinion, written by Justice Pat DeWine, frames the question in functional terms: “NEP is in the business of supplying electricity to consumers... From the tenants' perspective, NEP is for all practical purposes the supplier of their electricity.” The ruling rejects the industry's core legal theory — that submeterers are landlords allocating a utility service, not utilities themselves — and brings them under the Public Utilities Commission of Ohio's regulatory authority.
The numerical scale at the time of the underlying dispute: NEP was purchasing roughly $8.5 million in electricity annually from AEP Ohio and serving approximately 1.75% of AEP Ohio's residential customers. Extrapolated to other Ohio utility territories and other submeterers, the total residential customer base now newly subject to full utility regulation is significant.
Consumer-side reactions on the record. Ohio Consumers' Counsel Maureen Willis: “No company gets to sell essential electric service in Ohio without playing by the rules.” AEP Ohio applauded the ruling.
The decision compounds a notable pattern this week. Yesterday's AEP Ohio distribution rate settlement — covered in our 4/23 utilities-capex story — approved an $11 million revenue increase, scaled down sharply from the $97 million the company originally sought, and introduced a new minimum monthly charge for new data-center customers under the data-center-specific tariff PUCO ordered in a prior docket. That tightened consumer protections at the tariff layer. Today's Supreme Court ruling tightens them at the statutory/definitional layer. Same state, same week, two different institutional levers pulled in the same direction.
What You Can Do
If you are a tenant whose rent bill includes a separate utility line
The Office of the Ohio Consumers' Counsel (occ.ohio.gov) represents residential utility customers and will be the agency interpreting what this ruling means for existing submetering arrangements. Contact them for case-specific questions. The Public Utilities Commission of Ohio (puco.ohio.gov) now has jurisdiction over submetering companies and will issue implementing guidance — watch for that proceeding to open.
If you live in a multi-family or mobile-home community with submetered electric service
The ruling doesn't automatically change your bill today. It changes who has regulatory authority to set rules for how the submeterer bills you. Ask your property manager who the submetering company is, and file a complaint with PUCO if you believe the rates or practices don't conform to the standards that apply to regulated utility service.
If you serve on a legislative committee or draft utility legislation
Ohio's ruling rests on a plain-language reading that “supplying electricity to consumers” is what triggers utility regulation — not the corporate structure of the supplier. That reasoning is directly applicable in other states whose public-utility statutes are worded similarly. Compare the Ohio statute's “public utility” definition against your own state's before assuming the same outcome would hold, but the argument is now available to every state consumer counsel.
If you live outside Ohio
Submetering is a national industry; the regulatory treatment of it varies by state. This ruling is the most significant opinion issued on the question in the last decade. Ohio Supreme Court decisions don't bind other states' courts but are persuasive authority — your state attorney general's office and consumer counsel are likely already reviewing the opinion.
Community Takeaway
The ruling does two things that are worth separating.
The narrow thing: it brings NEP and other third-party submeterers in Ohio under PUCO jurisdiction. That means billing practices, rate structures, service-quality rules, and disconnection procedures now have to conform to utility regulation — not the looser landlord-tenant framework the industry has operated under. Tenants in submetered buildings get the same baseline protections as direct utility customers.
The broader thing: the court reaffirmed that the “public utility” definition is functional, not structural. If you are in the business of supplying electricity to consumers, you are a utility, regardless of whether you own generation, wires, or meters. That principle is live in several adjacent fights — the Mississippi PSC declaratory-opinion filing we're tracking today tests the inverse question (can a data-center developer build on-site generation without becoming a public utility?), and the Michigan AG's challenge to DTE's Green Chile Ventures contracts tests whether large-load contracts require public review under public-utility law. The Ohio court's answer today — that the functional definition controls — pushes all of those adjacent questions in the direction of more regulation, not less.
The one-week pairing with yesterday's AEP Ohio rate settlement matters. Consumer-side utility law in Ohio is tightening at two institutional layers simultaneously: the PUCO tariff process (yesterday) and the Supreme Court's statutory interpretation (today). For communities watching from other states: the procedural lesson is that a sustained AG/consumer-counsel push across multiple venues — rate cases, Supreme Court challenges, and statutory reform — compounds in a way that any single proceeding would not. Ohio-specific rulings don't transfer directly; verify how public-utility definitions and regulatory jurisdiction work in your state before assuming similar outcomes.
Source: Columbus Dispatch, April 24, 2026.