A group of Michigan advocacy organizations launched a new ballot campaign this week, seeking to limit political donations from state utility companies.

Michiganders for Money Out of Politics, known as Mop Up Michigan, is made up of left-leaning organizations like Voters not Politicians, Clean Water Action and the League of Conservation Voters.

Supporters of the proposal say that the large purses of Consumers and DTE Energy cast a shadow over Michigan politics — the companies have donated to a majority of state lawmakers in recent campaign cycles.

“We will simply be working to put the power of the people up front and ensure that those companies are held accountable,” said Sean McBrearty, director of Clean Water Action.