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
The Electricity Line Item Your Business Accountant Never Questions
Most SA businesses trust their electricity bills blindly. With 1,548 billing errors found across 6,017+ audits, the numbers tell a different story. That unques…
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Tariff Optimisation
20 May 2026
What Is a Demand Charge — And Why Is It the Biggest Line Item on Your Electricity Bill?
For many SA businesses, the demand charge accounts for 30–50% of their total electricity cost. Most don't understand how it's calculated — or how easily it can…
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15 May 2026
What Is an Energy Transfer Partner? A Founder's Guide
What is an energy transfer partner in South Africa? A guide for businesses on finding a partner to audit bills, cut costs, and manage complex utility accounts.
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