After a two-year consultation under the Review of Electricity Market Arrangements (REMA), the UK government has confirmed it will not introduce zonal electricity pricing. Instead, it will maintain the existing single national wholesale electricity market, alongside a package of reforms aimed at improving grid efficiency, supporting clean energy investment, and ensuring a fairer energy system for businesses and consumers.
So, what does this mean for businesses, energy investors, and consumers navigating the evolving UK energy market?
What Is Zonal Electricity Pricing?
Zonal pricing, also known as locational pricing, would have created regional differences in electricity costs based on proximity to generation sources. Areas close to renewable energy hubs could have benefited from lower prices, while regions further away might have faced higher energy costs.
Supporters argued this model could improve grid efficiency, reduce costs in renewable-rich regions, and encourage businesses to relocate nearer to energy generation sites.
However, critics warned of potential regional price inequalities, increased complexity in energy procurement, and the risk of deterring long-term investment in the UK’s energy sector.
Why Was Zonal Pricing Rejected?
Energy Secretary Ed Miliband described the decision as part of a strategy for a “fairer, more affordable, and secure” electricity system. Retaining a national pricing model was seen as crucial to protecting clean energy investment and preventing households and businesses from being disadvantaged by their location.
The government now intends to take a more active role in energy system planning, with a focus on the strategic placement of clean energy infrastructure to meet future demand.
Industry Reaction: A Divided Response
The decision has prompted mixed views across the energy sector:
Support – Organisations including Ofgem, RenewableUK, and SSE welcomed the policy certainty, highlighting reduced investor risk and market stability.
Criticism – Others, such as Octopus Energy, argued that the UK missed an opportunity to adopt a proven model already used in several countries, raising concerns over transparency and a lack of robust modelling.
This outcome brings to a close a long-standing debate on how best to structure the UK electricity market to support the transition to net zero.
What’s Next for the UK Energy Market?
The government has committed to further reforms that will:
- Strengthen clean energy investment
- Improve planning and coordination of new energy infrastructure
- Boost grid capacity and efficiency to meet rising demand
While zonal pricing may have offered localised efficiencies, policymakers believe a reformed national market provides a fairer and less disruptive route to achieving the UK’s clean power targets.
For businesses, this means continued stability in energy pricing models, but also a need to stay informed on upcoming changes in infrastructure planning, grid investment, and energy market regulation.