Here are some links to websites that will give you ideas on how to save energy and money.
http://deq.mt.gov/Energy/default.mcpx
https://psc.mt.gov/Consumers/Consumer-Information/Energy-Conservation
http://www.montana-dakota.com/conservation/savings-for-your-home
http://www.bchydro.com/powersmart/residential/guides_tips/green-your-home.html
Help Yourself
To help you with weatherization strategies-many of which you can do yourself-the HRDCs and the Montana State University Extension Service offer many resources. Contact your HRDC or MSU Extension Office http://www.weatherization.org for brochures on these topics: