Solar Panels, for CIVIL discussion

I heavily researched solar for my house. Between batteries degrading and maintenance, and replacement, that the panel degrades 25 percent in power over a 20 year period , that the power company will buy the excess power at 7 cents per kilowatt hr when the power you consume from them is @11 cents perk kwh,. When I calculated it I would break even in the long run.
But...I read recently that panels are available with twice the output, which for me could be a game changer.