The good thing (at least wrt to the posted s article) is that the majority of people like to save money, and solar offers a way to save money. So the forces of economics and good policy at the state level will make more solar and storage projects happen.
It would seem that you are trying to use environmentalism as cover for other views that you have ("entrenched interests"? Who cares who cuts down a forest, and if they are entrenched or not, if the forest ends up cut down?)
I think you should take a hard look at where your personal interests overlap with the mission of the Sierra Club.
In SF at least, Sierra Club priorities are (at least facially) decidedly more “anti-development” than “pro-environment”.
How does one explain their opposition to SB 827 [1] through an environmental lens? If we don’t build more density somewhere then we inevitably get more sprawl.
To add some meldodrama, how many people must die in the streets before we move the lever to help our fellow human? To some, “saving the Earth” can justify any amount of human suffering.
[1] https://www.ethanelkind.com/sierra-club-now-opposes-one-of-t...