Electricity Consumption & Cost in Primary Schools in Johannesburg 2021
- By: Ken Nunes

This article focuses on the average Consumption and Cost of Electricity in Primary Schools in Johannesburg, based on Municipal Invoices.
From the graph detailed, the monthly average electricity (kWh) consumption, vary between 5,894 kWh (February, which corresponds to January) and 11,761 kWh (September, which corresponds to August) and a total annual consumption of 109,500 kWh, at a present annual cost (2021) of R340,000 (Johannesburg).
Many schools have already substituted all lighting fittings for LED's, with a few already having installed Solar PV Systems. However, with ongoing negotiations of electricity tariff increases in 2022 in excess of 20% being discussed, many schools are indeed actively looking looking to ensure they are part of the first wave of Solar installations, where it is possible to reduce consumption by as much as 80%.
Suntricity is able to carry out a comprehensive analysis of your electricity consumption based on Municipal Invoices.
Please do not hesitate to contact us for further information: mail@suntricity.co.za or call on 011 534 8695 or 066 307 0893.