We could be very important to your business!

We can help you find new ways to save on energy costs and to procure the lowest price possible in today’s volatile energy market.

Thomas Engineering, Inc.

Thomas Engineering, Inc. is an energy management and consulting engineering services firm. Our mission is to provide our clients with objective consulting services by leveraging our experience in the competitive retail electric market in Texas. TEI can be your in-house energy manager, enabling you to spend more time with your customers and core business.

Founded in January 2006 by industry veteran Bill Thomas, P.E., TEI provides clients with unbiased energy consulting, procurement services, and contract negotiation for competitive retail electric energy contracts. We also provide a 4CP Advisory Service that enables larger customers to avoid the ERCOT system peak during the summer months, thus saving demand costs in the following year. TEI will also assist our customers with the coordination of new or expanding electric utility services. TEI manages a diverse client portfolio that includes agribusiness, industrials, port authorities, municipals, oil and gas, and retail fast food. Based in Corpus Christi, Texas, TEI is positioned to serve the entire ERCOT market.

Bill Thomas, P.E.

James W. “Bill” Thomas, P.E. has 42 years of experience in the electric utility business in Texas. Thomas spent 19 years with Central Power and Light/American Electric Power before joining TXU Energy when the electric market was deregulated in 2001. After gaining extensive experience in the competitive ERCOT electric market, Thomas formed Thomas Engineering, Inc. in 2006. A 1981 graduate of Texas A&M University with a Bachelor of Science degree in Agricultural Engineering, Thomas is a member of the American Society of Agricultural and Biological Engineers and the National and Texas Society of Professional Engineers. Thomas is a former member of the Agricultural Engineering External Advisory Council at Texas A&M. Thomas Engineering was recognized as an Aggie 100 awardee in 2016, one of the fastest growing Aggie owned businesses in the world.

What We Do

We provide a complete range of services that save our clients money on electric energy costs while allowing them to focus on running and growing their core enterprises.


and procurement of electric contracts, taking advantage of cost-saving leverages, incentives, and opportunities.


of client’s facilities and end use equipment, identifying and eliminating costly practices and inefficiencies.


of client’s kilowatt demand power factor by the installation of capacitors.


of client’s peak kW during the ERCOT 4 CP reporting period.


of client's electric invoices on a monthly basis, providing regular, ongoing reports.


on retail energy pricing trends, providing evaluation on a regular basis.


with the local electric delivery company on client’s behalf.

Why Choose TEI?

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Unparalleled Experience

Founded in 2006, TEI has in-depth experience in retail electric energy, with a proven track record of providing effective and efficient solutions.

Time-Saving Services

TEI can manage your retail electric service contract, leaving you more time and energy to focus on your core business.

Cost-Saving Benefits

At the end of the day, it's all about return-on-investment, and with TEI's cost-saving evaluative and managerial expertise, it's a no-brainer.

Providing Value-Added Services To Our Customers Since 2006

We could be very important to your business.

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