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
http://nweplus.northwesternenergy.com/library/money-saving-ideas/index.aspx
http://www.montana-dakota.com/conservation/savings-for-your-home
https://www.dom.com/about/conservation/daily-tips.jsp
http://www.nextgenmod.com/Products/energy-saving_facts.html
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: