US retail energy supplier

Continuum Energy US

A gas-only retail-energy supplier with dual-headquarter offices in Houston, TX and Tulsa, OK. Continuum Energy supplies natural gas to residential customers in California and commercial customers across Ohio, Michigan and other Midwest gas markets — formerly part of Seminole Energy Services.

See Continuum plans

Founded 1998 Houston, TX 3 states served

Founded

1998

Years in the US market

About

Who is Continuum Energy?

Registered as Continuum Energy Services, LLC, Continuum Energy 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.

Continuum Energy was established in 1998. A longer track record means more years operating under state-commission rules and a wider history of customer feedback, billing and regulatory interactions.

Continuum Energy 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 Continuum Energy operates

Natural gas

3 states

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

Plan structure

What plan types does Continuum Energy offer?

Fixed-price natural gas

Lock in a per-therm rate for the contract term — Continuum's flagship residential California product.

Index-price natural gas

Rate follows a published wholesale index (typically a NYMEX-linked benchmark) plus a fixed adder. Aimed at commercial customers comfortable with monthly variation.

Variable-price natural gas

Month-to-month plans where the rate changes each billing cycle. Used as a default after fixed-rate terms expire or for short-term commercial supply.

See current Continuum plans & rates

Timeline

Continuum Energy — key moments

1998

Seminole Energy Services, LLC founded as an integrated energy products and services company with operations in natural gas, crude oil and NGLs.
2014

Rebranded retail-energy business under the Continuum Energy Services name to differentiate from upstream operations.
2020

Continuum expanded residential gas service in California with plans to extend into New York, New Jersey, Maryland and Pennsylvania.
2022

CenterPoint Energy announced an agreement to acquire Continuum's retail energy services business (gas marketing portfolio).

Frequently asked

Continuum Energy — answers to common questions

Continuum Energy 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 Continuum Energy's website. 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.