The Midwest Renewable Energy Tracking System (M-RETS®) tracks renewable energy generation in participating States and Provinces and assists in verifying compliance with individual state/provincial or voluntary Renewable Portfolio Standards (RPS) and objectives. M-RETS® is an important tool to keep track of all relevant information about renewable energy produced and delivered in the region.


Currently M-RETS® tracks renewable energy in the following States: Illinois, Indiana, Iowa, Manitoba, Minnesota, Montana, North Dakota, Ohio, South Dakota, Missouri, Kentucky, Arkansas, Mississippi, Louisiana, Texas and Wisconsin. These states have policies in place requiring or strongly encouraging utility development of renewable resources. M-RETS® uses verifiable production data for all participating generators and creates a Renewable Energy Certificate (REC) in the form of a tradable digital certificate for each MWh.


The M-RETS® system is administered by APX which was awarded a contract by Midwest Renewable Energy Tracking System, Inc., a 501(c)4 non-profit, to operate and administer the program.

What is a REC?