ofgem business energy regulations: What Regulations Apply
What Ofgem governs in the business energy market, where its remit ends, and what rights your business actually has
Ofgem business energy regulations – Ofgem is the regulator for the GB energy market, but what it actually does for business customers is frequently misunderstood. Many businesses assume they have similar protections to domestic customers. In practice, the regulatory framework for non-domestic energy is considerably thinner, and knowing where Ofgem’s remit begins and ends matters when things go wrong.
What Ofgem Actually Does
Ofgem’s primary function is to regulate energy suppliers and network operators: setting the rules under which they can operate, licensing them, and enforcing compliance. It also oversees the wholesale market structure and the various policy programmes that sit within energy bills, such as the Renewables Obligation and Contracts for Difference.
For domestic customers, Ofgem imposes a detailed set of supply licence conditions that govern how suppliers must treat customers: price cap protections, specific rules on billing and switching, complaints handling requirements, and so on. These protections have been significantly strengthened over recent years in response to market failures in the retail sector.
For business customers, the picture is different. Ofgem does regulate business energy suppliers, but the licence conditions for non-domestic supply are less prescriptive. The assumption is that businesses are more commercially sophisticated than households and better placed to look after their own interests in contract negotiations.
That assumption holds better for large industrial buyers than it does for a small manufacturer or retailer with a handful of sites and no dedicated energy manager.
Where Business Energy Regulation Is Lighter
There is no price cap for business energy. Suppliers can charge whatever the market supports, subject to the terms of the individual contract. Auto-renewal clauses, notice periods of 30 to 90 days, and rollover onto out-of-contract rates are all standard practice and not prohibited. Unlike domestic customers, most businesses have no automatic right to switch without penalty mid-contract.
Suppliers are not required to offer a standard range of contract types or to make their pricing transparent in the way domestic tariffs must be. A business negotiating directly with a supplier is doing so without many of the protections a household would take for granted.
This is one reason why active energy procurement matters more for businesses than for domestic customers. Without a regulator enforcing fair pricing, the quality of the deal you get is largely determined by how well you approach the market.
Where Ofgem’s Protections Do Extend to Business Customers
The boundary between light-touch and meaningful protection sits roughly at the microbusiness threshold. Ofgem defines a microbusiness as one with fewer than 10 employees, annual turnover or balance sheet below 2 million pounds, or energy consumption below 100,000 kWh of electricity or 293,000 kWh of gas per year.
Microbusinesses receive a number of specific protections that larger business customers do not. Suppliers must give microbusinesses 30 days notice before a contract renews, clearly state the renewal terms, and allow a 30-day period in which the microbusiness can exit the renewed contract without penalty. There are also enhanced protections around how suppliers communicate contract terms and handle disputes.
Ofgem’s own guidance on getting energy for your business sets out how these categories work and what the relevant thresholds mean in practice. If you are unsure whether your business falls within the microbusiness definition, it is worth checking, because the protections attached to that classification are meaningful.
For businesses above the microbusiness threshold, the protections are more limited, and redress through the Energy Ombudsman is generally not available unless your supplier has voluntarily opted into that scheme.
The Broker Regulatory Picture – Ofgem Business Energy Regulations
Energy brokers, known formally as Third Party Intermediaries (TPIs), sit in a regulatory grey area that Ofgem has been working to address for several years.
Historically, brokers were largely unregulated. They were not required to be licensed, did not have to disclose how they were paid, and were subject to minimal conduct requirements. This created conditions in which mis-selling and undisclosed commissions were common, particularly in the small business market.
Ofgem introduced a Voluntary TPI Code of Practice as an interim measure, and has been developing a more formal regulatory framework. The direction of travel is toward mandatory licensing and conduct standards for brokers working with business energy customers. That process has moved slowly, but the regulatory environment for business energy brokers is tightening.
In the meantime, the practical protection is asking the right questions before you appoint a broker: how they are paid, which suppliers they access, and whether they will confirm their remuneration in writing.
What to Do If Things Go Wrong
Business customers in dispute with a supplier have fewer automatic escalation routes than domestic customers. The Energy Ombudsman handles complaints from microbusinesses and from larger businesses whose supplier has voluntarily joined the scheme. For businesses outside those categories, the main options are direct negotiation, Ofgem’s complaint reporting process, or civil action.
Billing errors are among the most common problems, particularly on sites with complex metering or multiple supply points. Keeping accurate records of consumption data and correspondence with your supplier is straightforward good practice that pays off if a dispute arises. A regular review of bills against actual meter reads, which is part of what good energy management looks like, surfaces errors before they compound over multiple billing periods.
If your dispute involves a broker rather than a supplier directly, the complaint route depends on whether that broker participates in a recognised Alternative Dispute Resolution scheme.
How Catalyst Can Help
Catalyst works with UK businesses on energy procurement and cost management. We are transparent about how we work and how we are paid, present quotes from a broad panel of suppliers, and provide the kind of ongoing account management that means billing errors and renewal risks get caught before they become problems.
If you want straightforward advice on your energy contracts, your supplier relationship, or what your options are in a dispute, get in touch.
Talk to Catalyst about your business energy →
Related service: Energy Procurement, how Catalyst manages the full procurement process for UK businesses across electricity and gas.