When developing and designing a solar lighting scheme,

following details will be required to specify and cost the project

When selecting the solar panels and batteries,

the environmental conditions will have to be take in consideration

Local climate data with the average sunlight estimates.

Number of continuous rainy days.

Day light hour to nighttime hours.

The optimizing the installation of the solar panels angle according to the sites longitude and latitude positions.

Options of 50% dimming and day light sensors.

Incorporation motion sensors.