Solar refrigeration sizing explained: compressor start surge, duty cycle, ambient heat gain and the gap between a household freezer and a cold room.

Solar water heater sizing explained: element watts for a given tank volume, heat-up time, cold-water mixing, standby heat loss and element life in Nigeria.

Battery bank sizing explained: amp-hours against watt-hours, inverter output current, autonomy, depth of discharge and temperature derating for Nigeria.

How to size solar for business in Nigeria: building a shop load list, single phase against three phase, keeping a till alive, and honest reliability needs.

How to size solar system for a 3-bedroom flat in Nigeria: build the load list, apply a duty cycle, then set the inverter, array and battery bank.

Build a solar load list before you spend a naira: measure real appliance draw, separate watts from kWh, apply duty cycle and allow for motor surge.