Conservation Law Foundation attorney Emily Green makes a point Monday during a hearing about a proposed rule on net metering of solar panels at the Maine Public Utilities Commission in Hallowell.

Belfast Assistant City Planner Sadie Lloyd speaks Monday before a hearing of the Public Utilities Commission in Hallowell about a proposed rule on net metering of solar panels.

Maine Public Utilities Commissioners Carlisle McLean, left, and Mark Vannoy react Monday to comments made during a hearing about a proposed rule on net metering of solar panels.

People stand while waiting to speak Monday at a hearing about a proposed rule on net metering of solar panels at the Maine Public Utilities Commission in Hallowell.

Scott Cowger, of Hallowell, speaks Monday at a hearing about a proposed rule on net metering of solar panels at the Maine Public Utilities Commission in Hallowell.

An electricity meter in Hallowell on Monday, the day the Maine Public Utilities Commission held a hearing about proposed rules that would phase out financial incentives for homeowners with solar panels.

Solar panels outside a home in Hallowell on Monday, the same day the Maine Public Utilities Commission held a hearing about proposed rules that would phase out financial incentives for homeowners with solar panels.