Shared Solar Business Impact Report

Shared Solar makes it easy to power your business with renewable energy. Subscribers pay a one-time up-front fee to participate and a capped electricity service rate per kilowatt-hour (kWh) for up to half of their annual electricity use. This rate will depend on your rate schedule and may include an $0.008/kWh Transmission Service charge.

Is Shared Solar good for my business? 

Our Shared Solar Business Impact Report helps summarize both the environmental and financial impact of your Shared Solar participation in one easy-to-read report.

Business Impact Report

Business Impact Report


The two-page report calculates the following environmental and financial measures for your business based on the purchase of your maximum eligible shares: 

  • Pounds of CO2 emissions reduced per year 

  • Renewable Energy Certificates (RECs) retired  

  • Average monthly bill impacts over the 25-year life of the program 

  • Estimation of the year's realized utility savings  

Request a Shared Solar Business Impact Report

How are the key environmental measures calculated?

Pounds of CO2 emissions reduction is calculated using 2018 data collected from MGE generating units and purchased power. More information can be found in our Corporate Responsibility and Sustainability Report.  

The estimated solar energy produced annually is calculated based on expected first-year generation per share from our Shared Solar program arrays. 

The REC is a market-based instrument that represents the property rights to the environmental, social and other non-power attributes of renewable electricity generation. RECs are issued when one megawatt-hour (MWh) of electricity is generated and delivered to the electricity grid from a renewable energy resource. The Estimated Solar Energy Produced Annually divided by 1,000,000 kWh equals the number of RECs Retired. For every kWh subscribed in Shared Solar, MGE directly retires the RECs. This is an annual process that is tracked and verified through a third party, the Midwest Renewable Energy Tracking System, or M-RETS. Customers participating create higher demand for renewable energy which has a direct, positive effect on decisions to develop more renewable energy sources.

The number of gasoline-powered cars removed per year is calculated utilizing the EPA Greenhouse Gas Equivalencies Calculator available at  

Targeting net-zero carbon  

We are committed to growing our use of renewable resources, including solar energy. Reducing the carbon intensity of our electric generation is one of our key strategies for reaching our goal of net-zero carbon electricity by 2050. Customer support for and participation in our clean energy programs will help us reach shared energy goals.