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Should the UK Re-Nationalise the Water Industry? | Edexcel Essay Plan

Level:
A-Level
Board:
Edexcel

Last updated 26 Aug 2025

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In this revision video, we’re diving into one of the most debated topics in UK public policy and A-Level Economics — should the UK water industry be re-nationalised? This discussion has gained momentum recently, especially with Thames Water under fire for poor service, underinvestment, and environmental failures — all despite making over £2 billion in revenue in 2022. So, is the water industry — a classic example of a natural monopoly — better off in the hands of the government or the private sector?

Essay Structure

Explain natural monopoly diagram: high fixed costs, low marginal costs, economies of scale → inefficiency in duplicate infrastructure.

KAA 1: Allocative & productive efficiency from public ownership (P = MC), reinvestment focus, reduced prices.

Eval 1: Public sector inefficiency risk, poor past performance, importance of regulation (Ofwat).

KAA 2: Environmental externalities — sewage dumping, weak private incentives, stronger green investment under public ownership.

Eval 2: Regulation quality (not ownership) may be more important; possible policy reforms to Ofwat.

Final Judgement: State ownership may address pricing, investment, and environmental concerns better — but only if paired with effective regulation.

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