In this article, EE Business Intelligence MD Chris Yelland and consultant Paul Vermeulen argue that mismanagement is not the only reason for the failure of municipal electricity distributors and that larger design flaws should also be taken into account. They also assert that better debt collection alone will not address the crisis and that structural remedies are needed to rebalance risk and cost across the electricity value chain.

South Africa's municipal electricity debt crisis is often reduced to a familiar story: failing councils, weak billing systems, political interference, and a culture of non-payment. There is truth in that, but it is incomplete.

Municipal electricity debt has become a macroeconomic and industrial issue because electricity distribution is not a niche municipal service – it is a central artery of the economy. Municipal distributors supply households, malls, office parks, factories, hospitals and public infrastructure. When municipal electricity trading accounts collapse, the effects ripple outward: maintenance is deferred, outages multiply, network losses rise, and investment decisions tilt away from municipal supply areas. The result is a slow degradation of reliability, affordability and competitiveness.

The uncomfortable implication is that municipal arrears are not simply a symptom of poor local governance. They are also the predictable outcome of an electricity distribution industry (EDI) structure that has, over time, placed municipal distributors in an increasingly untenable position – financially, operationally and politically. The crisis should properly be framed as a structural misalignment at the centre of South Africa's EDI, with Eskom in the thick of it.

Structural lock-in: how municipalities became dependent on Eskom

Historically, many municipalities generated, transmitted and distributed their own power largely to "white" residents, businesses and services, with revenues aligned to local networks and local responsibilities. Over time, that model was dismantled. Eskom's centralised generation expanded, while the municipal customer base grew and municipalities transitioned into bulk purchasers – effectively retailers and network operators – and no longer generators.

That shift created a dependency on Eskom that has proven extraordinarily difficult to escape. Most municipalities now source virtually all their electricity from Eskom under bulk supply agreements, while carrying expanded responsibility for operating, maintaining and growing their local distribution networks.

In theory, municipalities can diversify supply through Independent Power Producers (IPPs). In practice, their ability to do so has been constrained by regulation, licensing and ministerial determinations, complex procurement rules, competency issues, and unsettled wheeling and trading frameworks – even where network capacity exists. This "locked-in dependency" is such that municipalities do not have own generation control or practical freedom to procure competitively at scale, but remain fully exposed to Eskom's escalating tariffs and demand penalties.

This lock-in matters because it turns municipal electricity distribution into a pass-through business with a widening structural gap: the municipality must buy at whatever Eskom charges, but sell into a local economy with limited affordability, weak payment discipline, and growing alternatives for better-resourced customers.

Tariffs and non-payment: the post-2007 affordability shock

In addition to governance issues, a driver for municipal failure is the escalation in Eskom's bulk tariffs from about 2007 onward – not merely above inflation, but at levels that completely rewired the affordability of electricity for households and businesses.

The dramatic post-2007 electricity price trajectory indicates steep increases coinciding with the onset of loadshedding and Eskom's new-build programme. The core point is not the exact percentage in any single year – it is the compoundi...