This beginner's guide covers everything you need to know for a DIY solar panel installation, including system components, site survey, permitting, and tips for installing solar panels yourself.
The best rooftop solar panels have high efficiency ratings and great warranties. The companies providing quotes may differ from those described in our independent reviews.
Kenya's Energy (Net-Metering) Regulations, 2024 officially introduced a long-awaited framework for solar rooftop owners. Under the new rules, if you export excess solar power to the grid, you'll receive a credit worth 50% of the retail tariff per kilowatt-hour (kWh).
Hydropower is any usable energy generated from water, whether from turbines, dams, or any other source. As with any energy source, renewable or non-renewable, hydropower has pros and cons associated with its use. We'll review some of the top benefits and drawbacks of.
Most residential panels in 2025 are rated 250–550 watts, with 400-watt models becoming the new standard. A 400-watt panel can generate roughly 1. 5 kWh of energy per day, depending on local sunlight.
Residential solar panels come in a compact size with about 60 cells or 120 half-cells per module. 7 meters tall and one meter wide, these panels are simple to lift and place on rooftops.
Bifacial solar panels can capture light energy on both sides of the panel, whereas monofacial panels (AKA traditional solar panels) only absorb sunlight on the front.