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 and Dispute Electricity Billing Errors on Your City Power Account

City Power billing errors are more common than you think. Here's a step-by-step guide to identifying discrepancies and raising a formal dispute.

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Utility Bill Auditing 20 May 2026

Is OptiRate Worth It If You're Already Managing Costs Carefully?

The most common objection to utility verification platforms. Here's why managing costs carefully is not the same as verifying your bills are correct.

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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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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 20 May 2026

Five Billing Errors to Look for on Your eThekwini Electricity Account

eThekwini's billing system produces predictable errors. Here's what to look for on your account — and how to dispute each one.

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Utility Bill Auditing 20 May 2026

You Don't Have Time for a Utility Audit. (That's Exactly Why You Need One.)

The most common reason SA businesses haven't audited their utility bills is time. Here's why that argument doesn't hold — and what businesses are actually reco…

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Utility Bill Auditing 20 May 2026

Our Bills Look Fine: The Most Expensive Assumption SA Finance Managers Make

The businesses most at risk of overpaying on utilities aren't the ones with obviously wrong bills. They're the ones with bills that look fine. Here's why that …

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Utility Bill Auditing 20 May 2026

City of Cape Town Electricity Billing Errors: What to Check on Your Municipal Account

Cape Town businesses consistently report estimated readings, incorrect tariff categories, and backdated charges on their municipal electricity accounts. Here's…

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Utility Bill Auditing 20 May 2026

How to Spot and Dispute an Electricity Billing Error on Your City Power Account

City Power billing errors are common — and the dispute process is rarely straightforward. Here's a step-by-step guide for Johannesburg business owners.

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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 01 Apr 2026

What is a Utility Bill Audit? The Complete Guide for South African Businesses

A utility bill audit is a systematic review of your electricity, water, and property rate bills to identify errors, overcharges, and savings opportunities. Lea…

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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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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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Utility Bill Auditing 23 Mar 2026

What Happens During an OptiRate Utility Account Audit — And Why It Pays for Itself

Considering an OptiRate utility account audit? Here's exactly what the process looks like, what you receive, and how the commercial model works. No surprises.

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