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European Energy Markets
12MAY

France-Germany May power spread doubles record

4 min read
10:23UTC

France May-26 baseload settled at EUR 21.80/MWh on 28 April against Germany at EUR 77.55/MWh, a EUR 55.75 spread that more than doubles Kpler's January 2025 record on the same calendar product.

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EconomicAssessed
Key takeaway

The spread closes when Flamanville-3 starts its overhaul in September; until then interconnector capacity caps any earlier compression.

France May-26 baseload power settled at EUR 21.80/MWh on Tuesday 28 April, against Germany May-26 baseload at EUR 77.55/MWh 1. The EUR 55.75/MWh spread is more than double Kpler's January 2025 record of EUR 27.50 on the same calendar product, the highest forward gap between the two grids that the market has recorded.

EDF's March nuclear output ran at the highest level since 2019 and is still suppressing French forward Continental power into Q2. Germany's May-26 baseload is clearing on a gas-dominated merit order anchored to TTF at around EUR 44/MWh; France's is clearing on a fleet of pressurised water reactors running near nameplate. The Italy-France day-ahead spread hit EUR 153/MWh on 26 April on the same Continental nuclear-surplus dynamic at the cash level. Forward markets have absorbed the May-26 print over a week of trading without significant compression.

France-Germany cross-border physical interconnector capacity runs at roughly 4.8 GW under day-ahead market coupling, the structural bottleneck the headline does not show. Even at full nominal allocation, the cable cannot transfer enough French nuclear surplus to clear into German prices without merit-order shifts in Germany itself. The arbitrage cannot fully clear inside the physical network, so the financial spread persists. For French-sited industrial offtakers, that translates into roughly EUR 56,000 of monthly hedge advantage per MW of load against southern-Germany peers, with knock-on effects on cross-border manufacturing competitiveness in chemicals and metals through Q2-Q3.

The window has a defined close. Flamanville-3, EDF's newest reactor, enters its twelve-month overhaul in September 2026 , removing roughly 1.6 GW of French nuclear at the heating-season cusp. Forward strips that lean on French nuclear past Q3 are pricing through the September calendar, so the spread compression should land before the heating-season buyers do. RTE and CRE auction signals on cross-border interconnector allocation through May become the test of whether regulatory remedy is in scope before the physical fleet shift forces it.

Deep Analysis

In plain English

Wholesale electricity for May 2026 costs around EUR 22 per megawatt-hour in France and EUR 78 in Germany. France has cheap power because its nuclear plants are running flat-out, producing far more electricity than France needs. Germany relies heavily on gas-fired power plants; at EUR 44/MWh TTF, that pushes German clearing prices well above EUR 70/MWh. The cable connections between the two countries can't carry enough cheap French electricity east to bring German prices down. This gap is good news for French factories, which pay far less for electricity than their German competitors. It closes in September, when France's newest nuclear reactor goes into a planned overhaul for a year, and France will have less electricity to export.

What could happen next?
  • Consequence

    German-sited chemicals and metals producers face monthly hedge-cost disadvantages of tens of millions of euros versus French peers through Q2-Q3 2026, amplifying industrial competitiveness pressure ahead of autumn EU energy policy review.

  • Risk

    Forward sellers of French power for the period after September 2026 are pricing a 1.6 GW nuclear buffer that Flamanville-3's overhaul removes; if autumn demand is cold, French forward prices may reprice sharply upward as the overhaul start nears.

Sources:Prestige Business Solutions
Mentions:EDF →Kpler →Flamanville-3 →France →Germany →TTF →Wood Mackenzie →Italy →Ember →
First Reported In

Update #6 · REMIT II live; storage instrument absent

Prestige Business Solutions· 29 Apr 2026
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Causes and effects
Caused by
EDF March output highest since 2019
EDF's record March 2026 nuclear output (highest since 2019) is the proximate driver of the France-Germany May-26 power spread doubling the prior record.
Occurred 15 Apr 2026
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Italy-France day-ahead spread hits EUR 153/MWh
Italy-France day-ahead spread hitting EUR 153/MWh on 26 April is part of the same Continental nuclear surplus dynamic driving the France-Germany May-26 forward spread.
Occurred 26 Apr 2026
Read story →
This Event
France-Germany May power spread doubles record
EDF's nuclear surplus is suppressing French forward power below half of German clearing prices, and the cables between the two grids cannot move enough French electricity east to close the gap.
Led to
FR-DE spread to EUR 37 at higher floors
FR-DE spread compressed from EUR 55.75 on 28 April (ID:2885) to EUR 37.47 on 7 May as both markets rose in absolute terms
Occurred 6 May 2026
Read story →
France swings 88% as FR-DE spread halves
The EUR 55.75 spread on 28 April was the prior extreme that has since compressed, making the 12 May EUR 23.68 reading a substantial reversal.
Occurred 12 May 2026
Read story →
Different Perspectives
Hungarian and Slovak gas buyers and regulators
Hungarian and Slovak gas buyers and regulators
Hungary cleared EUR 123.23/MWh on 12 May, EUR 54 above Spain's same-day clearing and the largest single-market premium of the briefing series, as ACER named it among seven NRAs in TurkStream derogation opinions with the 5 August EC ruling pending. A denial of derogation removes the only available pipeline substitute for Russian LNG banned since 25 April.
Norwegian upstream producers (Equinor, ORLEN Upstream Norway)
Norwegian upstream producers (Equinor, ORLEN Upstream Norway)
Equinor started the Eirin field on 5 May (27.6 mmboe via Gassled) and signed NOK 17bn of Q1 drilling contracts on USD 9.77bn adjusted operating income. These are long-horizon defences against the Sodir-confirmed Norwegian production decline, not molecules deliverable inside the 2026 injection window.
European Commission (DG Energy)
European Commission (DG Energy)
The Commission cut the storage target from 90% to 80% in April without enforcement teeth; a second formal cut requires Council unanimity not currently available, leaving silent acceptance of a sub-80% landing as the operative policy posture. The AccelerateEU package offered no storage injection mechanism, confirming consumer-relief tools as the preferred instrument.
Major LNG buyers (Japanese and Korean utilities)
Major LNG buyers (Japanese and Korean utilities)
With JKM-TTF at USD 2.30/MMBtu, Asian buyers retain the routing premium on flexible Atlantic cargoes by a margin of USD 0.80 to 1.10/MMBtu above the cargo-diversion breakeven. The spring demand softening that compressed the spread from USD 3 or more has not reversed the routing direction, and Asian buyers face no material competitive threat from European procurement at prevailing TTF.
Industrial gas consumers (BASF, Yara, Cefic members)
Industrial gas consumers (BASF, Yara, Cefic members)
BASF flagged Verbund site production freezes and Yara curtailed 25% of European output at EUR 47 TTF, confirming that the industrial demand destruction threshold has migrated EUR 23 below the 2022 ceiling. Without a gas price subsidy instrument or trade protection on fertiliser imports, further curtailment is the rational response to any TTF move above EUR 50.
National energy regulators (BNetzA, CRE, ACER)
National energy regulators (BNetzA, CRE, ACER)
ACER's 6 May TurkStream derogation opinions put seven NRAs on notice that the 5 August EC ruling window is live; the concurrent Hungary EUR 123/MWh single-market premium compounds the political pressure on the Commission to either grant or formally deny the derogations before the code application date.