Insights
The OptiRate Blog
Expert insights on electricity costs, tariff optimisation, billing errors, and energy management for South African businesses.
Utility Bill Auditing
20 May 2026
How to Spot Electricity Billing Errors on Your City Power Account
City Power serves hundreds of thousands of commercial accounts in Johannesburg. Estimated readings, tariff misapplication, and meter errors are common. Here is…
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Utility Bill Auditing
23 Mar 2026
Five Electricity Billing Errors on South African Municipality Accounts — And How to Catch Them
A KZN doctor got a R2.7 million electricity bill. A Tshwane estate was double-charged on a levy affecting thousands of accounts. These are symptoms of a struct…
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