Skip to content
You can now search across every topic, entity and event.What's new
European Energy Markets
18JUN

FR-DE day-ahead resets to Germany dearer

3 min read
09:57UTC

The France-Germany day-ahead trade flipped back to Germany dearer by EUR 19.31/MWh on 17 June, offsetting a desk that had gone France-dearer two sessions earlier by more than EUR 20.

← Back to German spark spread flips +EUR 15 in 48hrsJump to analysis ↓
EconomicDeveloping
Key takeaway

Germany is dearer than France by EUR 19.31/MWh, a second FR-DE reversal in a fortnight driven by its thermal stack.

The France-Germany day-ahead power spread flipped back to Germany dearer by EUR 19.31/MWh on 17 June, two days after France had become the dearer leg by EUR 1.6 on 15 June , on euenergy.live data 1. France cleared EUR 98.32/MWh and Germany set the marginal price higher. A desk that put on the France-dearer trade on 15 June was offside by more than EUR 20 two sessions later.

This is the cross-border consequence of the spark-spread move, not a separate German story. The gas-and-carbon stack that flipped German CCGTs back into the money the same session reset Germany's marginal clearing above France. EDF's nuclear fleet ran without a curtailment event on 17 June, holding French clearing down at EUR 98.32 while Germany's thermal generation set the higher print 2.

The EUR 19.31 gap is a fraction of the EUR 96.20 record set on 8 June , but it confirms the market has not settled into a stable equilibrium. A desk long France against short Germany has watched the spread travel close to EUR 116 in nine calendar days, from a EUR 96 French premium to a EUR 19 German one. The signal for a relative-value book is direction instability, not level: the leg that is dearer flips with whichever fleet sets the margin on the day, and that has swung twice in a fortnight.

Deep Analysis

In plain English

France gets most of its electricity from nuclear plants, which produce large amounts of cheap power constantly. Germany burns gas to generate much of its power, and gas costs a great deal more. This means French electricity prices are usually far lower than German ones, a gap traders call the France-Germany spread. In mid-June, traders briefly bet that French nuclear plants would have to slow down because of warm river water used for cooling. That bet pushed French prices above German ones for a day. When no slowdown happened and France's nuclear plants ran normally on 17 June, the old pattern snapped back: France cheap, Germany expensive, with a EUR 19 gap. Desks that put the opposite trade on just two days earlier lost more than EUR 20 per megawatt-hour.

Deep Analysis
Root Causes

The FR-DE spread is structurally determined by the gap between France's nuclear-floor clearing price and Germany's thermal-stack marginal cost. France's EUR 98.32 clearing on 17 June reflects EDF's 350-370 TWh annual output target running at roughly 40 GW of average output, suppressing any price-formation role for French gas or renewables in the day-ahead.

Germany's EUR 117.63 reflects the CCGT stack re-entering the merit order at approximately EUR 102.7/MWh marginal cost, setting the clearing price above all cheaper marginal units.

The 15 June inversion; France dearer by EUR 1.6, was caused by a short-lived repricing of French July forward contracts upward on cooling-water curtailment risk; when no actual curtailment materialised by 17 June, EDF ran without restriction and the cooling-water risk premium drained from the French price.

The structural trade, long Germany day-ahead, short France, paid EUR 96.20 at its extreme on 8 June and will reprice again when Flamanville-3 exits for its September overhaul, mechanically narrowing the nuclear buffer.

What could happen next?
  • Risk

    The September 2026 Flamanville-3 overhaul removes 1.6 GW of French nuclear capacity at heating-season start, mechanically narrowing or reversing the FR-DE premium that funds cross-border electricity exports from France.

  • Consequence

    Any sustained CCGT gas demand in Germany competes with injection for prompt TTF molecules, creating a linkage between the FR-DE spread level and the EU storage refill trajectory.

Sources:euenergy.live
Mentions:EDF →France →Germany →Bruegel →Flamanville-3 →France-Germany day-ahead power spread →
First Reported In

Update #19 · German spark spread flips +EUR 15 in 48hrs

euenergy.live· 18 Jun 2026
Read original →
Causes and effects
Caused by
FR-DE power spread inverts, France on top
FR-DE flipped to France dearer on 15 June; the 17 June reset to Germany dearer by EUR 19.31 is the direct reversal two days later.
Occurred 15 Jun 2026
Read story →
This Event
FR-DE day-ahead resets to Germany dearer
The same gas-and-carbon stack that put German CCGTs back in the money reset the marginal clearing price above France, so the cross-border spread is moving on Germany's thermal economics rather than a French story.
Led to
German spark turns firmly positive now
EDF running without curtailment let Germany's thermal CCGT stack set the continental clearing price, enabling the +EUR 30 spark.
Occurred 22 Jun 2026
Read story →
French reactors curtail on river heat
EDF running its full nuclear fleet without curtailment on 22 June set the cheap-France supply position that Golfech and Nogent curtailments reversed within hours as river temperatures rose
Occurred 23 Jun 2026
Read story →
Different Perspectives
Cross-border power traders
Cross-border power traders
The France-Germany day-ahead spread flipped from a EUR 17.20 German premium on 1 August to a EUR 4.15 French premium on 3 August, the same day French curtailment peaked. They cannot yet attribute the flip to curtailment alone, since a like-for-like overnight comparison shows French nuclear output rising while wind fell and demand returned on the weekday step.
EDF
EDF
River-cooling limits took 7.6 GW, 12 per cent of its fleet, offline on 3 August, the highest curtailment since the heatwave began, with an easing forecast to 4.3 GW on 4 August and 3 GW after. It manages the cut as a recurring seasonal constraint, expecting it to lift with river temperature, not repair.
Gasunie
Gasunie
TTF, the Dutch hub it operates, drifted to roughly EUR 55 to 58 per MWh across the window, staying inside its recent range through both the German spark reversal and the French curtailment. It reads a flat hub price as evidence that neither event this window carried enough weight to move the fuel leg on its own.
German gas-fired generators
German gas-fired generators
Record German solar of 18,761 MW on 2 August pushed the clean spark spread to minus 18.48 EUR/MWh, a loss-making day, before it returned to plus 16.20 on 3 August. They now price dispatch against post-solar residual load rather than wind alone, since the sign flipped inside 48 hours on unchanged fuel and carbon costs.
European Commission (DG Energy)
European Commission (DG Energy)
Its implementing-measures register logged transposition notices from only Portugal and Slovakia against Wednesday's Article 94 deadline for Directive (EU) 2024/1788, with 25 states silent. It expects the register to fill only gradually, since filing routinely lags legislating and any infringement track against non-notifying states runs on a slower clock than the deadline itself.
Spain's LNG terminal operators
Spain's LNG terminal operators
Spain's 9,145 GWh terminal inventory is the largest single stock in the EU LNG network, an option value that can reroute cargoes wherever the winter strip pays best rather than a cavern gas obligation tied to a fixed date. That flexibility matters more as Germany's cavern shortfall pushes more of the winter security question onto import infrastructure.