Last updated: January 13, 2026
In a regulated electricity market, one utility company is responsible for providing electricity to customers in a specific service area. This utility typically controls most parts of the system, including power generation, transmission, and distribution.
Electricity prices in regulated markets are not set through competition. Instead, rates are reviewed and approved by a state regulatory authority, often called a Public Utility Commission or Public Service Commission.
In practical terms, regulated electricity usually means:
- You do not choose your electricity provider
- One utility serves your area
- Rates are approved by state regulators
- Prices tend to change gradually over time
For many customers, regulated markets feel simple and predictable. You receive electricity from your local utility, pay your bill, and don’t need to compare plans or contracts.
Quick context:
In the U.S., electricity markets are structured at the state level. Some states regulate electricity prices through a single utility, while others allow consumers to choose their electricity provider. Both systems are legal, common, and designed to serve different policy goals.
Why Regulated Markets Exist
For most of the 20th century, regulated electricity markets were the standard across the United States. Electricity was treated as a natural monopoly, meaning it was considered more efficient for a single company to provide service rather than having multiple companies build overlapping infrastructure.
Regulation was designed to:
- Ensure reliable service
- Prevent unfair pricing
- Guarantee access to electricity
- Allow utilities to recover costs while remaining accountable to the public
Many states still operate under this model today.
What Is a Deregulated Electricity Market?
A deregulated electricity market separates electricity supply from electricity delivery. While the local utility still owns and maintains the power lines, customers can choose which company supplies their electricity.
In deregulated markets:
- The utility continues to deliver electricity and handle outages
- Retail electricity providers compete to sell electricity plans
- Customers can compare pricing, contract terms, and plan features
- Regulators oversee market rules and consumer protections rather than setting retail prices
Deregulation does not mean electricity is unregulated. It means regulation shifts from controlling prices to overseeing fair competition and reliability.
How Deregulated Markets Work in Essence
In a deregulated market, electricity moves through several layers before reaching your home:
- Power generators produce electricity
- Transmission operators move electricity across long distances
- Local utilities distribute electricity to homes and businesses
- Retail providers sell electricity plans to customers
As a customer, you typically interact with two entities:
- A retail electricity provider for pricing and contracts
- Your local utility for outages, infrastructure, and meter readings
Even if you switch providers, the physical electricity and grid reliability remain the same.
In the United States, not all states allow residential electricity customers to choose their electricity provider. The table below shows the states where residential electricity markets are deregulated and consumers typically have the option to compare and select different plans.
| State | Deregulated for Residential Electricity? |
|---|---|
| Connecticut | Yes |
| Delaware | Yes |
| District of Columbia | Yes |
| Illinois | Yes |
| Maine | Yes |
| Maryland | Yes |
| Massachusetts | Yes |
| Michigan | Yes (but limited market participation) |
| New Hampshire | Yes |
| New Jersey | Yes |
| New York | Yes |
| Ohio | Yes |
| Pennsylvania | Yes |
| Rhode Island | Yes |
| Texas | Yes |
Markets change over time. Some states have limited choice by utility territory, and eligibility can vary depending on your exact address. Always check your local utility or state public utility commission for the latest rules in your area.
Main Differences Between Regulated and Deregulated Electricity Markets
Both systems deliver electricity, but the experience for consumers can differ significantly.
Regulated electricity markets generally offer:
- One provider per service area
- No plan shopping
- Rates approved by regulators
- Fewer billing surprises
- Limited consumer choice
Deregulated electricity markets typically offer:
- Multiple competing providers
- Customer choice among plans
- Pricing influenced by competition
- Fixed-rate, variable-rate, and renewable options
- Greater responsibility to understand contract terms
Neither system is universally better. Each has tradeoffs depending on the state and the consumer.
Below we’ve listed a side-by-side comparison to highlight how regulated and deregulated electricity markets differ.
| Feature | Regulated Electricity Markets | Deregulated Electricity Markets |
|---|---|---|
| Who provides electricity | A single utility serves the area | Multiple retail providers compete |
| Ability to choose a provider | No | Yes, in eligible areas |
| How prices are set | Approved by state regulators | Influenced by market competition |
| Role of the local utility | Owns and operates the entire system | Delivers power and maintains lines |
| Billing structure | One bill from the utility | Supply from provider, delivery from utility |
| Price stability | Generally stable over time | Can vary by plan and contract |
| Consumer responsibility | Minimal | Higher (plan selection and renewals) |
| Plan options | Limited | Fixed-rate, variable-rate, renewable options |
| State oversight | Regulates prices and service | Oversees market rules and protections |
Why Some States Chose Deregulation
Electricity deregulation began in the late 1990s and early 2000s, when some states decided to restructure their electricity markets. The goal was not to remove oversight, but to introduce competition at the retail level.
States that adopted deregulation often aimed to:
- Encourage competition and innovation
- Give consumers more control over electricity pricing
- Reduce long-term electricity costs
- Attract private investment in power generation
Not all states chose this path, and some implemented deregulation only partially. This is why electricity rules vary widely across the country.
Is One System Better Than the Other?
This is one of the most common questions people ask, and the answer depends on the situation.
Regulated markets may work well for people who:
- Prefer simplicity
- Want stable, predictable pricing
- Do not want to manage contracts
Deregulated markets may appeal to people who:
- Want more control over their electricity plan
- Are willing to compare options
- Want access to renewable or fixed-rate plans
- Are comfortable reviewing terms and renewals
Problems in deregulated markets often arise when consumers are rushed or unaware of how pricing structures work. Regulated markets, while simpler, may offer fewer options and less flexibility.
Common Misunderstandings About Deregulation
There are various misconceptions about deregulated electricity markets.
Deregulation does not mean:
- Power lines are duplicated
- Grid reliability disappears
- Utilities are removed from the system
- Prices are completely unregulated
Local utilities still play a critical role in maintaining the grid and responding to outages.
How This Can Affect Your Electricity Bill
In regulated markets, your electricity bill usually reflects:
- Approved base rates
- Fuel and operating costs
- Infrastructure investments
- Taxes and required fees
In deregulated markets, your bill may include:
- A supply charge from your chosen provider
- Delivery charges from your local utility
- Contract-specific pricing terms
- Renewable energy components or promotions
Understanding which parts of your bill are fixed and which can change is especially important in states with electricity choice.
How States Fit Into These Models
Each state determines how its electricity market is structured. Some states remain fully regulated, others allow partial competition, and some are largely deregulated.
Because electricity policy is set at the state level, your options depend heavily on where you live and, in some cases, which utility serves your address.
To see how electricity works in your state, visit our states overview, where we explain each state’s electricity structure in clear, straightforward terms.