South Dakota Natural Gas Regulatory Rate Review

A gas worker looks at a gas meter

The South Dakota Public Utilities Commission (SDPUC) recently approved the first natural gas base rate increase for our customers since 2011.

Since then, NorthWestern Energy has invested $82.1 million in our South Dakota natural gas infrastructure to continue our commitment to providing reliable, sustainable energy service at the most affordable rates possible to our customers. 

The SDPUC authorized a rate increase of $4.6 million, which is a 7 % total bill increase.

How much will my bill increase?

For a residential customer using 100 therms of gas in a month, the rate increase means a monthly bill increase of:

 

$6.47

Official Customer Notice

Download the customer notice that will be included in all South Dakota natural gas bills starting Dec. 19.

View the rate review documents

Our goal is to provide transparency and clarity to our customers throughout this process.

If you have questions about our natural gas service, please call our customer service number at 800-245-6977.

NorthWestern Energy is here to help

We recognize that our rate increase will impact our customers during a period when other prices are also increasing.  NorthWestern Energy is committed to helping customers who may be struggling with their bills.

What can I do to manage my bill?

If you're concerned about paying your bill, reach out to us right away. We have billing and payment options that can help.

Payment Assistance

If you are worried about your ability to pay a higher energy bill, there are payment assistance programs available.

Budget Billing

With Budget Billing, your NorthWestern Energy bill is the same amount each month, year round.

Payment Arrangements

We can also explore a payment arrangement if your account qualifies. Log in to your My Energy Account for payment and billing program information. Or call our Customer Service Team at 800-245-6977 to discuss additional options.

Service & Payment Locations

Our walk-in Customer Service locations are available for in-person assistance. Find the office nearest you.

BE ENERGY EFFICIENT

Save money by being more energy efficient. Check out our top-10 low-cost or no-cost tips for energy efficiency.

Understanding your bill

Learn more about the separate pieces that make up your bill and what they all mean.

2023 South Dakota Electric Rate Review

Track your energy use in My Energy Account

With My Energy Account, you can visually track your energy use, month-to-month and year-over-year. Understanding your energy use can help you develop habits to save energy and money.