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Financing is available to provide funds for your home energy upgrades.

The Colorado Residential Energy Upgrade (RENU) Loan Program

RENU is a statewide residential loan program sponsored by Colorado Clean Energy Fund, in partnership Colorado-based credit unions. It makes home energy upgrades easy and affordable by offering low-cost, long-term financing for energy efficiency and renewable energy improvements. Click below to access the RENU program.

Colorado RENU Loan Terms:

  • Loans from $500 to $75,000
  • No money down
  • Finance up to 100% of project costs
  • Low, fixed interest rates
  • No pre-payment penalties

Eligible projects (minimum efficiency requirements apply) include:

  • Battery Storage
  • EV Charging
  • Energy analysis & monitoring
  • ENERGY STAR Appliances
  • Insulation & Air Sealing
  • LED Lighting
  • Space Heating & Cooling
  • Solar PV & Solar Thermal
  • Water Heating
  • Windows & Doors

Are you eligible?

  • You own the home that will be undergoing energy efficiency or renewable energy upgrades. It can be a primary, secondary, or income property.
  • Projects must be completed by an authorized RENU contractor. Visit the RENU page for a list of authorized contractors.

Visit Colorado Clean Energy Fund for a list of RENU program lenders and more details about the loan program.

Clean Energy Loan Providers & Resources in Colorado

Alpine Bank

offers Green Lending programs including home equity or line of credit loans as well as reduced interest rate loans for electric vehicle purchases.

Clean Energy Credit Union

offers personal home clean energy lending, including secured and unsecured loans, and lines of credit to members of the credit union. 1 to 20 year loans range from $1,000 to $90,000.

Colorado Clean Energy Fund (CCEF)

is collaborating with Solar United Neighbors (SUN) to support SUN’s Colorado-based Solar Co-op programs to provide a Solar Equity Loan (SEL) product. CCEF assists participating Solar Co-op homeowners with low-cost financing for rooftop solar.

CCEF also offers a Clean Energy Affordable Housing Fund for multifamily and single family residential units serving occupants at 120% AMI. Eligible projects include improvements that result in reduced utility costs, reduced GHG emissions, increased electrification or electrification-readiness or an increase in Solar PV. Loans offered at low, fixed interest rates. 

provides guidance on solar financing. Questions on solar loans and leases, secured and unsecured loans are answered.
US Bank

offers a variety of options, including lines of credit and personal loans for solar project and home improvement financing.


offers housing repair loans and/or grants to help repair, improve, or modernize your home. Loans up to $20,000 are available at a 1% interest rate with a 20-year term. Grants are available for homeowners 62 years or older and are for health and safety issues.
Individuals must own and occupy your home and meet income and credit requirements to be eligible.

These USDA loans can be made for repairs such as roof replacements, plumbing, heating and electrical work, weatherization, adding accessibility features, flooring and other improvements.

1st Southwest Bank

runs a low-cost fixed rate energy efficiency and solar enhancements on-bill lending program through La Plata Electric Association (LPEA). LPEA members in La Plata and Archuleta Counties may qualify for on-bill financing.