We switched to solar in 2021 expecting a 3.5-year payback. Electricity prices rose so fast that we recovered the investment in under two years.
Also the national grid is notorious for it's frequent blackouts (load-shedding) since the early ’90s. Solar allowed us to have uninterrupted supply in the mornings and longer backups during night.
Rough location (if you feel comfortable sharing ground truth)?
We got roof top solar 1.5 years ago in Canada. Payoff will be 6-7 years, but we got an interest free loan to cover it.
So we’ll just pay what we would have for power for those years ~$1000 a year, then we’ll have free power for 20 more, saving something like $20,000 for $0 investment.