A reasonable different position to take would be to drop the subsidy in line with increases in effectiveness of solar panels, rather than dropping the subsidy all at once.
How about dropping the subsidy on the condition that coal and oil subsidies are dropped?
that sounds politically difficult, though I know next to nothing about politics so I could be wrong
As long as politicians bought by Oil/Gas/Coal get majorities in House and Senate there's no gatekeeper to impose such compromises. For this election cycle this seems a non starter to me.