Flying home for Thanksgiving? See how fuel-efficient your airline is.

A new list ranks airlines for fuel efficiency.

The International Council on Clean Transportation found a 51 percent difference between the most-efficient and least-efficient airlines. Learn where your preferred airline lands this week on

Learn about the SourceGas acquisition

On July 12, Black Hills Corp. announced the acquisition of SourceGas.

With the addition of approximately 425,000 SourceGas customers, the combined entity will serve more than 1.2 million electric and gas utility customers in 790 communities.

We know you're busy,eBill makes paying your bill easy.

Pictured: Joanie and Kate

That’s why we created eBill, a fast, easy way for you to receive your bill electronically and pay it online – all for free. Now you can finally catch up on that TV show everyone’s talking about.

Get peace-of-mind protectionfor your appliances.

A friendly face to offer piece of mind protection.

Check out Service Guard. Our friendly, local technicians repair home appliances, heating and cooling systems. Get peace-of-mind protection for a low monthly rate.

You can now pay your bill for free online

The new Bank Transfer option is available now in Your Account.

The new “Bank Transfer” feature offers some new options in addition to some old favorites. You can make a one-time payment, set up recurring payments, and view or cancel a pending payment.