Natural Gas Utility Annual Reports
- 2020 Natural Gas Utility Company Annual Reports
P-521 annual reports and certain other reports can be accessed online for the companies listed below. Please note, annual report filings are typically due by the end of April.
- Citizens Gas Fuel Company
- Consumers Energy Company
- DTE Gas Company
- Michigan Gas Utilities Corp
- Presque Isle Electric & Gas Company
- SEMCO Energy Gas Company
- Superior Energy Company
- Upper Michigan Energy Resources Corporation
- Northern States Power Company - Wisconsin (Xcel)
Certain electric and gas companies are also required to file annually with the Federal Energy Regulatory Commission (FERC). Please visit http://www.ferc.gov/docs-filing/docs-filing.asp for access to FERC online filings.
For questions contact the Regulated Energy Division at 517-284-8270.