Electricity: the Rules Governing Prices Will Change in 2026, What Consequences for Invoices?

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As early as January 2026, a new organization of the electricity market in France will apply, with the end of the advantageous pricing of the nuclear production of EDF.

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Electricity prices: rules change in 2026, what consequences for your bills? Admin FCE 02 Oct 2025 - 16:47 Countries and actors One page turns: as of 1 January 2026, a new organization of the electricity market in France will apply, with the end of the very advantageous pricing of EDF's nuclear production.The reform raises fears of an increase in prices, but the authorities want to be reassuring.Instared in 2011, the Arenh (Access to Historical N…

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The Commission de régulation de l'énergie estimates the full cost of production of the French nuclear fleet for the period 2026-2028 at €60.3/MWh. This indicator is crucial in the system which will replace the regulated access to historical nuclear electricity (Arenh) on 1 January.

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At the end of September 2025, the Energy Regulatory Commission (ERC) published a new estimate of the full cost of producing historic nuclear electricity for the period 2026-2028: €60.3/MWh (base price 2026), i.e. around €61.5/MWh in current euros. This figure is significantly lower than that estimated by EDF. As of 31 December 2025, the ARENH scheme, which required EDF to divest part of its nuclear production at regulated prices, will be termina…