Consumers Energy has a useful web form for reporting issues with Streetlights (out, flickering, etc.). Just click the following link and answer a few simple questions.
https://www.consumersenergy.com/outages/street-light-outage-report
Lansing Board of Water and Light Customers can report Streetlight outages by calling (877) 295-5001, or reporting the issue at the following link.
https://www.lbwl.com/community/streetlights