Analysis · Market note · Week 40

Power prices soar, Brent slips

Week of 28 September to 4 October 2026: what to remember on electricity, gas and oil.

French power 179.36 €/MWh ▲ +21.5%weekly average
French gas (PEG) 72.21 €/MWh ▼ −1.7%weekly average
EU gas storage 72.4 % ▲ +1.5 ptweek on week
Brent 102.38 $/bbl ▼ −3.4%weekly close

Electricity

  • French spot: between €146.81 and €203.94/MWh depending on the day, €179.36/MWh on average (+21.5% week on week).
  • Most expensive day: Monday 28; cheapest: Wednesday 30.
  • Generation: nuclear 68%, renewables 24%, gas 8%.

French power

Day-ahead spot, daily average
Latest167.52 €/MWhSunday 4
Average vs prev. week+21.5%179.36 vs 147.66 €/MWh
Low146.81 €/MWhWednesday 30
High203.94 €/MWhMonday 28
Average179.36 €/MWhweek 40

Sources: RTE, Energy-Charts / SMARD · See the detail

Gas

  • French gas (PEG): €72.21/MWh on average, against 73.44 the previous week (−1.7%), between €69.42 and €74.18/MWh depending on the day.
  • European storage: 72.4% full (+1.5 pt in a week), 10.2 pts below last year.
  • France: 84.7% full.

French gas (PEG)

Average price of each gas day
Latest73.92 €/MWhSunday 4
Average vs prev. week−1.7%72.21 vs 73.44 €/MWh
Low69.42 €/MWhTuesday 29
High74.18 €/MWhSaturday 3
Average72.21 €/MWhweek 40

Sources: NaTran (Smart), GIE AGSI+ · See the detail

Oil and fuels

  • Brent (ICE futures, front month): $102.38 a barrel at the weekly close (−3.4% on the week), between $97.57 and $105.92.
  • Brent-WTI spread $11.52 a barrel ; US crude inventories +0.9 million barrels, to 427.3 million.
  • At the pump: diesel €2.373/L (−0.7 cents on the week), SP95-E10 €2.168/L.

Brent

ICE futures, front month
Latest102.38 $/bFriday 2
On the week−3.4%−3.61 $/b
Low97.57 $/bWednesday 30
High105.92 $/bMonday 28
Average102.25 $/bweek 40

Sources: OilPriceAPI (ICE), EIA, French fuel prices (data.economie.gouv.fr) · See the detail

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