Insights

The OptiRate Blog

Expert insights on electricity costs, tariff optimisation, billing errors, and energy management for South African businesses.

Utility Cost Management 20 May 2026

Annual Audit vs Continuous Monitoring: Which Actually Recovers More for SA Businesses?

Most SA businesses run annual utility audits. But continuous monitoring catches errors 11 months sooner — and the difference compounds every billing cycle.

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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

The Demand Charge Trap: The Line on Your Electricity Bill That's Costing SA Businesses Thousands

Most South African businesses watch their kilowatt-hour consumption closely. Almost none track their maximum demand — the silent cost driver that can inflate a…

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Utility Bill Auditing 10 May 2026

Why South African Businesses Overpay on Electricity by 20% (And How to Stop)

Research shows South African businesses overpay on electricity by up to 20% due to billing errors, wrong tariffs, and missed optimisation opportunities. Here's…

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Utility Bill Auditing 27 Mar 2026

7 Warning Signs Your South African Business is Overpaying on Electricity

Discover the 7 warning signs that indicate your business is overpaying on electricity. From suspicious spikes to tariff mismatches—learn what to look for befor…

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Utility Bill Auditing 26 Mar 2026

Why South African Businesses Overpay on Electricity by 30% (And How to Stop)

Research shows South African businesses overpay on electricity by up to 30% due to billing errors, wrong tariffs, and missed optimisation opportunities. Learn …

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Tariff Optimisation 23 Mar 2026

Most South African Businesses Don't Know What Electricity Tariff They're On — And It's Costing Them

Your business pays an electricity bill every month. But do you actually know which tariff category you're billed under? If not, you could be overpaying by thou…

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