US retail energy supplier

NRG US

Headquartered in Houston, Texas and listed on the New York Stock Exchange as NRG, NRG Energy is an S&P 500 company and the parent of the largest competitive retail energy group in North America — including Reliant, Direct Energy, Green Mountain Energy and Cirro. The "NRG Home" consumer brand sells fixed-rate electricity directly to households in select Northeast and Mid-Atlantic states.

See NRG plans Call 1-877-674-7299

Founded 1989 ~8 million (NRG group, all brands) Houston, TX 7 states served

Founded

1989

Years in the US market

Customers

~8 million (NRG group, all brands)

Households served

Employees

~16,000

Workforce size

About

Who is NRG?

Registered as NRG Energy, Inc., NRG uses this legal name for state public-utility-commission filings and customer contracts. The trading name on bills is the shorter, more recognisable form.

The company is headquartered in Houston, TX, where it runs senior management, customer operations and regulatory liaison with state commissions.

NRG was established in 1989. A longer track record means more years operating under state-commission rules and a wider history of customer feedback, billing and regulatory interactions.

NRG operates independently — it is not part of a larger corporate group. This typically means faster decision-making but less wholesale-market scale.

Service area

Where NRG operates

Electricity

7 states

Service availability varies by zip code within each state. Eligibility depends on your local utility's deregulation status — check on NRG's website with your zip code before enrolling.

Plan structure

What plan types does NRG offer?

NRG Home Fixed

12 or 24-month fixed-rate residential electricity plans in the Northeast and Mid-Atlantic. The flagship NRG Home consumer product.

Variable / month-to-month

Wholesale-indexed rate, no commitment. Common renewal default — watch for this when a fixed plan expires.

NRG Home Green

Standard fixed-rate structure matched with Green-e certified RECs. Small per-kWh premium.

Renewable content: NRG group operates a growing portfolio of wind and solar assets and a large nuclear/gas/coal fleet. NRG Home Green retail plans are matched with Green-e certified RECs from US wind and solar.

See current NRG plans & rates

Timeline

NRG — key moments

1989

NRG Energy formed as a subsidiary of Northern States Power (now Xcel Energy) to develop independent power generation.
2000

NRG spun off as a standalone publicly traded company.
2009

Acquires Reliant Energy's Texas retail business for $287 million, becoming the largest competitive supplier in Texas.
2010

Acquires Green Mountain Energy for $350 million.
2021

Completes the $3.6 billion acquisition of Direct Energy from Centrica, instantly becoming the largest retail energy provider in North America.
2023

Larry Coben becomes President & CEO of NRG Energy.

Contact

Reach NRG customer service

NRG's customer service handles enrollment questions, billing, switching and complaints. Have your account number from a recent bill ready to speed up the call.

Have your NRG Home account number from a recent bill ready to speed up the call.
For service outages or downed wires, call your local utility — not NRG. The retail supplier never handles the physical grid.
Reliant (Texas), Direct Energy, Green Mountain and Cirro customers each have separate customer-service phone numbers and portals — do not call the NRG corporate line for them.
Investor relations and corporate inquiries: 609-524-4500.

Customer service

1-877-674-7299

Mon-Fri 8 a.m. - 8 p.m., Sat 9 a.m. - 5 p.m. ET

NRG online account

Frequently asked

NRG — answers to common questions

NRG is regulated by the public utility commission in each state where it operates. Reliability is best judged against your own usage profile: read recent reviews, confirm the customer-service hours match when you actually need to call, and compare the unit rate against the utility's price-to-compare for your zip code.

Plans can typically be enrolled directly on NRG's website or by calling 1-877-674-7299. Before signing up, always compare the unit rate (¢/kWh for electricity, $/therm for gas) against your utility's price-to-compare for your zip code.

You can switch your retail supplier at any time, though early termination fees (typically $50-$200) may apply if you are on a fixed-rate plan and within the contract term. Check your enrollment letter or Terms of Service for the exact figure. Switching back to your default utility supply is always free.