An affordable tariff must also fund a reliable service

A low advertised electricity price is easy to understand. The cost of maintaining reliable service behind that price can be harder to see.

A sustainable energy business needs an arrangement that customers can use and the operator can deliver. That requires attention to demand, collection, operating costs and the capital structure at the same time.

Project-finance risk guidance highlights the relationship between operating costs and revenue. For distributed-energy projects, the question is how that relationship behaves across actual customer usage and payment patterns.

Examine what customers will pay in practice

A tariff multiplied by theoretical consumption is a weak substitute for evidence. Customer activity, competing supply arrangements and the cost of connected equipment can affect usage.

Collections matter as well. A bill raised is different from cash received. The operating plan should explain metering, payment arrangements, customer support and the treatment of non-payment.

Any regulatory requirements or proposed tariff changes need appropriate specialist review. A financial forecast should not assume a price adjustment is available simply because it would improve returns.

Make support explicit

Some projects may depend on grants, subsidies or other contributions. Their terms, timing and reliability belong in the financing case. If support is uncertain, the uncertainty should remain visible.

The objective is a service that can be maintained without repeatedly surprising customers or investors. Underpricing costs can weaken reliability; ignoring affordability can weaken demand and collections.

Our view is that the strongest proposals explain how the full arrangement works for both user and operator. Price is a central part of that explanation, supported by evidence about the service people will actually buy.