High-quality solar panels have an average lifespan of 25 to 30 years. While they might see a slight decrease in efficiency over time, they will continue to generate electricity beyond this period.
Without batteries, your property would switch to using the National Grid’s electricity in the evening and through the night. It’s more efficient – and cost-effective – to charge batteries using solar power in the daylight and then switch to using stored battery power after sundown.

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