• SouthWest Power&Light Go Green
  • SouthWest Power&Light for Business
    You can make a difference
    with our Plant-A-Tree℠ Plan - learn more!

Welcome to Southwest Power & Light!

Southwest Power and Light offers Texas-Smart energy plans that deliver value built on integrity. Serving both residential and commercial customers throughout the State of Texas, we make the process of choosing an electricity plan that is right for you, simple and easy to understand - just how you like it. learn more...

For Home

Simply Search Your Zip Code To Start Saving Today. Enroll Online Today!

Business Solutions

Make Your Business Better With Southwest Power & Light. Get a Customized Quote Today!

Current Customers

Sign Into My Account To Make a Payment, Renew Your Service, Set up AutoPay, and much more...

BBB Accredited since 2010

A review of our records shows YEP Energy to be in good standing...more


  • Mailing Address:
    Southwest Power & Light
    Attention: Customer Care
    PO Box 3079
    Houston, TX 77253-3079

Refer A Friend

Save some green….and help your friend save some too! You can use this simple form to send an invitation to you friends so they can benefit from the YEP Energy’s electricity savings – just like you. Besides, you know you can feel confident recommending a company that is committed to Great Rates and Customer Satisfaction...Guaranteed!

Refer a friend today!
SouthWest Power&Light Refer A Friend

Our Spokesmen and Clients

"Give SWPL a shot. SWPL comes through in a clutch!"

- Robert Horry, NBA 7 Time Champ read more

Choose what's right for you

SouthWest Power&Light PayYourBill
SouthWest Power&Light Go Paperless
SouthWest Power&Light Plant-A-Tree
SouthWest Power&Light Renew Your Service

SWPL has a variety of low priced plans to meet your needs!

Let our expertise work for you.

SWPL commercial team helps unleash your potential!

Call us at 866.941.7975 or submit an online quote request

Plant-A-Tree Electricity E-Plans

Each kilowatt hour used goes toward planting a tree!