How much solar power should I install?
How much money will this save me on my electrical bill?
How much will a solar system cost?
What is the payback period for a solar system?
How long will a solar system last?
Solar panels are usually warranted to produce at least 80% of their original power rating for a period of 25 to 30 years. The panel life is probably much longer than that. The power electronics (inverters) are usually warranted for 15 years.
Should I install batteries with my system so that I can go off-grid?
Will my solar panels run my home when the power is out?