Updated October 2026. Based on in-depth user-review research, Octopus Energy has the strongest record: Trustpilot 4.9 out of 5 on more than 46,000 reviews and 15 Médiateur referrals per 100,000 contracts. Enercoop has the fewest complaints, 6 per 100,000, and OHM Énergie has recovered from 2022 to 4.7 out of 5. ekWateur is the only supplier with English-speaking agents, but draws 45 referrals per 100,000. The most common complaint everywhere is a catch-up bill after months of estimates.
Key takeaways
- Best rated: Octopus Energy and Alpiq at 4.9/5 on Trustpilot, then Enercoop (4.8) and OHM Énergie (4.7).
- Fewest complaints: Enercoop (6 per 100,000 contracts) and Ilek (7).
- Most complaints we track: ekWateur, 45 per 100,000, despite its English-speaking agents.
- Engie was voted Service Client de l'Année 2026, yet forums still report large regularisation bills.
- The top shared complaint is the catch-up bill after estimated billing; ask for billing on real Linky readings.
Which Energy Providers in France Rank Highest in 2026?
Octopus Energy ranks highest on October 2026 data, with 4.9 out of 5 on Trustpilot over more than 46,000 reviews. The table ranks 13 suppliers on two measured signals: their Trustpilot score and how often their customers take a dispute to the Médiateur national de l'énergie, per 100,000 contracts.
| # | Provider | Trustpilot (October 2026) | Médiateur referrals per 100,000 contracts |
|---|---|---|---|
| 1 | Octopus Energy | 4.9/5 (46,000+ reviews) | 15 |
| 2 | Alpiq | 4.9/5 (5,700 reviews) | 28 |
| 3 | Enercoop | 4.8/5 | 6 |
| 4 | OHM Énergie | 4.7/5 (10,700 reviews) | 25 |
| 5 | Gaz de Bordeaux | 4.51/5 (14,300 reviews) | Not in our data |
| 6 | Engie | 4.5/5 (14,900 reviews) | 22 |
| 7 | Ilek | Not in our data | 7 |
| 8 | Primeo Énergie | Not in our data | 19 |
| 9 | ekWateur | Not in our data | 45 |
| 10 | EDF | Not in our data | Not in our data |
| 11 | TotalEnergies | Not in our data | Not in our data |
| 12 | Mint Énergie | Not in our data | Not in our data |
| 13 | Alterna énergie | Not in our data | Not in our data |
Source: User review research, October 2026. Trustpilot scores and Médiateur rates as relayed by Hello Watt, Selectra, Kelwatt and fournisseurs-electricite.com. Ilek's 4.6/5 is an app-store score, not Trustpilot.
The two signals measure different things. A Trustpilot score reflects whoever chose to post, and big brands invite more reviews. A Médiateur referral only happens after a written complaint has gone unresolved for two months, so it tracks serious, unresolved disputes. A gap between the two is informative: ekWateur is praised for English help yet sends 45 cases per 100,000 to the Médiateur, while Enercoop charges more and sends only 6.
What Do Users Say Is Good and Bad About French Energy Providers?
Reviewers praise responsive support, billing on real use and free switching. They criticise catch-up bills after months of estimates, unreachable support lines, and service strain after the 2026 takeovers of Vattenfall and Wekiwi customers.
Top Positive Characteristics
- Trustpilot scores of 4.7 to 4.9 at Octopus Energy, Alpiq, Enercoop and OHM Énergie
- Médiateur referral rates far below average at Enercoop (6) and Ilek (7)
- English-speaking agents at ekWateur
- Billing on real Linky readings instead of estimates
- Switching with no cut and no exit fee
- Engie elected Service Client de l'Année 2026
Top Negative Characteristics
- Catch-up and regularisation bills after estimates (EDF, Engie, Octopus Energy)
- Unreachable support and estimated bills (TotalEnergies)
- Above-average Médiateur rate at ekWateur (45 per 100,000)
- Service strain after the Vattenfall and Wekiwi migrations (Alterna, Plenitude)
What Does Each Energy Provider Score and Why?
Each provider below shows its Trustpilot score, its Médiateur referral rate and the strengths and complaints that recur in reviews. Scores come from October 2026 research; where a figure is missing, we say so rather than estimate one.
#1 Octopus Energy
Best-rated serviceTrustpilot: 4.9/5 (46,000+ reviews) · Médiateur: 15
Octopus Energy France, about 750,000 customers, has the highest Trustpilot score among large French suppliers and 15 Médiateur referrals per 100,000 contracts, half the sector average. Complaints centre on year-end regularisation when monthly instalments were set too low.
Top positives
- Trustpilot 4.9/5 on more than 46,000 reviews
- France-based support answering in under 2 minutes
- Cagnotte cashback that rewards using less
Top negatives
- Regularisation shocks when instalments are set too low
- Refunds after cancellation judged slow
- Fixed offers closed to existing customers
#2 Alpiq
Best-rated small supplierTrustpilot: 4.9/5 (5,700 reviews) · Médiateur: 28
Alpiq France, the arm of a Swiss utility with its own hydro production, scores 4.9 out of 5 on Trustpilot. Its Médiateur rate, 28 per 100,000 contracts, is around the sector average. Its fixed price runs to 31 March 2027, so customers will need to re-compare in spring.
Top positives
- Trustpilot 4.9/5 on 5,700 reviews
- Green option where you pick the production source
- Swiss parent with its own hydro production
Top negatives
- Green power is a paid option, not included
- French-only contracts and support
- Fixed price ends on 31 March 2027
#3 Enercoop
Best for ethical sourcingTrustpilot: 4.8/5 · Médiateur: 6
Enercoop, a cooperative with 64,000 members, has the lowest Médiateur rate of any supplier we track, 6 per 100,000 contracts. Customers accept a price about 26% above the Tarif Bleu knowingly, to buy power directly from 470 French renewable producers.
Top positives
- Lowest Médiateur rate we track: 6 per 100,000
- Buys directly from 470 French producers
- Top VertVolt grade (très engagé) from ADEME
Top negatives
- About €130 to €160 a year above the Tarif Bleu at 5,000 kWh
- No gas offer
- Small team, support sometimes saturated
#4 OHM Énergie
Best comebackTrustpilot: 4.7/5 (10,700 reviews) · Médiateur: 25
OHM Énergie still carries a 2022 reputation as nearly bankrupt on some forums, but October 2026 data say otherwise: 4.7 out of 5 on Trustpilot and 25 Médiateur referrals per 100,000 contracts, below the sector average.
Top positives
- Trustpilot 4.7/5 on 10,700 reviews
- Médiateur rate below the sector average
- Deep kWh discount on Extra Eco
Top negatives
- Complaints about billing accuracy and sign-up
- Discount can be revised: prices not guaranteed
- French-only contracts and support
#5 Gaz de Bordeaux
Best utility-backed supplierTrustpilot: 4.51/5 (14,300 reviews) · Médiateur: Not in our data
Gaz de Bordeaux, a public energy company with 335,000 customers, scores 4.51 out of 5 on Trustpilot. Forums increasingly favour it, with other producer- and utility-backed suppliers, since the ARENH scheme ended in December 2025.
Top positives
- Trustpilot 4.51/5 on 14,300 reviews
- Backed by a public utility
- Consistent top-three gas rankings on the official comparator
Top negatives
- €100 bonus lost if you leave before month 11
- Grid revised upward in October 2026
- French-only service
#6 Engie
Best big-incumbent serviceTrustpilot: 4.5/5 (14,900 reviews) · Médiateur: 22
Engie was voted Service Client de l'Année 2026 and has cut Médiateur referrals to 22 per 100,000 contracts, below the sector. Forum complaints focus on regularisation bills of several thousand euros and contract changes made without consent.
Top positives
- Service Client de l'Année 2026
- Trustpilot 4.5/5 on 14,900 reviews
- Médiateur referrals halved recently, now below the sector
Top negatives
- Large regularisation bills reported on forums
- Contract changes made without consent
- An error admitted but never corrected, per one September 2026 reviewer
#7 Ilek
Best green dual fuelTrustpilot: Not in our data · Médiateur: 7
Ilek, an independent Toulouse supplier, has one of the lowest Médiateur rates we track, 7 per 100,000 contracts, and its app rates 4.6 out of 5. It is the only supplier selling 100% biomethane gas alongside VertVolt-labelled electricity.
Top positives
- 7 Médiateur referrals per 100,000 contracts
- App rated 4.6/5
- Only fully green dual-fuel offer
Top negatives
- Biogas premium over the gas benchmark
- Small team, occasional service saturation
- EV offer's €337 standing charge suits only high mileage
#8 Primeo Énergie
Best for the lowest kWhTrustpilot: Not in our data · Médiateur: 19
Primeo Énergie has 19 Médiateur referrals per 100,000 contracts, better than the sector, and the lowest kWh price checked in October 2026. Forum doubts date from its 2022-23 difficulties; it is still trading.
Top positives
- Médiateur rate better than the sector
- Price frozen to a fixed date, 31 December 2027
- Lowest kWh price checked in October 2026
Top negatives
- Some readers fear an exit, a memory of 2022
- Green power costs €2 a month extra
- French-only service
#9 ekWateur
Best for English speakersTrustpilot: Not in our data · Médiateur: 45
ekWateur is the one supplier where customers report English-speaking agents, and its pay-as-you-go billing avoids estimate shocks. Its Médiateur rate, 45 per 100,000 contracts, is above the sector average, and reviews mention unreadable bills and slow claims.
Top positives
- English-speaking agents reported by customers
- Billing on real use, no estimate shock
- Serves the Grenoble and Metz local-utility zones
Top negatives
- 45 Médiateur referrals per 100,000, above the sector
- Unreadable bills and slow claim handling
- One expat reported a cut over a €32.69 balance
#10 EDF
Best for the regulated tariffTrustpilot: Not in our data · Médiateur: Not in our data
EDF reviews are dominated by billing: forum threads describe Linky meters that stopped transmitting, months of estimates, then one catch-up bill. An analysis of reviews finds 57% of Tarif Bleu customers have never compared offers. Its 3404 line still serves non-digital customers.
Top positives
- State-set Tarif Bleu with free return at any time
- Phone service on 3404, including for non-digital customers
- Tempo, the cheapest regulated option for flexible homes
Top negatives
- Catch-up bills after months of estimates
- Staying put costs 10% to 20% more than the best offers
- Zen Online has no phone support
#11 TotalEnergies
Best indexed discountTrustpilot: Not in our data · Médiateur: Not in our data
TotalEnergies is the largest alternative supplier by volume. Reviews like the simple 8% discount on the Tarif Bleu's kWh, while Trustpilot complaints describe unreachable support and estimated bills.
Top positives
- Simple 8% discount on every kWh
- Same standing charge as the Tarif Bleu
- Electricity and gas on one bill
Top negatives
- Unreachable support, per Trustpilot reviewers
- Estimated bills
- Indexed: rises with every Tarif Bleu revision
#12 Mint Énergie
Best green indexed priceTrustpilot: Not in our data · Médiateur: Not in our data
Mint Énergie regularly ranks in the official comparator's top three on price, with green certificates included. Its small web-only team means thinner support, and contracts and service are in French only.
Top positives
- Regularly top three on the official comparator
- Green certificates included at no premium
- Simple two-offer range
Top negatives
- Thin web-only customer service
- French-only contracts and support
- Indexed: rises with every Tarif Bleu revision
#13 Alterna énergie
Vattenfall's successorTrustpilot: Not in our data · Médiateur: Not in our data
Alterna énergie, a cooperative of about 50 local utilities, absorbed Vattenfall France's 175,000 customers in July 2026 with no action needed from them. Its 60 local agencies are a plus, but the migration put pressure on service in late 2026.
Top positives
- 60 local agencies across France
- Selectra's best green supplier prize in 2024
- Cheapest fixed gas offer in October 2026
Top negatives
- Service load from the Vattenfall migration
- Electricity standing charge above the Tarif Bleu
- French-only service
What people in France report
- − Linky catch-up bills: Customers on the 60 Millions de Consommateurs forum describe Linky meters that stopped sending readings, months of estimated EDF bills, then one demand for the whole gap. A referral to the Médiateur was what unblocked their files. (60 Millions forum, via papernest, February 2026)
- − Engie billing corrections: Reviewers on Trustpilot, 60 Millions and UFC-Que Choisir report regularisation bills of several thousand euros and contract changes made without consent. One September 2026 reviewer says Engie admitted the error but never corrected it. (Trustpilot and consumer forums, via Hello Watt, October 2026)
- + English help at ekWateur: An American customer reported being passed to an English-speaking agent, and praised billing on real use after an estimate of about €100 a month against roughly €40 of actual consumption. (Trustpilot, February 2025)
- − ekWateur overcharging complaint: Another expat on the same review page reported years of monthly overcharging, then a supply cut over an unpaid balance of €32.69. Read it alongside the positive English-support report above. (Trustpilot, August 2023)
- + OHM Énergie's comeback: Forums still call OHM nearly bankrupt after the 2022 crisis, but October 2026 data show 4.7 out of 5 on Trustpilot over 10,700 reviews and 25 Médiateur referrals per 100,000 contracts, below the sector average. (Hello Watt, October 2026)
- + Enercoop's deliberate premium: Verified Hello Watt reviewers say plainly that Enercoop costs more than EDF, about €11 to €13 a month at 5,000 kWh, and that they pay it knowingly to buy power directly from French renewable producers. (Hello Watt, May 2026)
Paraphrased from public posts, each dated and linked. A small sample, not a representative survey.
How Should You Pick the Right Energy Provider in France?
Pick on the signal that matches your risk. If you fear billing disputes, weight the Médiateur rate; if you need help in English, only ekWateur has documented English-speaking agents. Switching costs nothing, so a poor experience is never a trap.
Recommendations from user-review research
- Service first: Octopus Energy (4.9/5, 15 per 100,000) or Alpiq (4.9/5).
- Fewest disputes: Enercoop (6 per 100,000), if you accept its price, or Ilek (7).
- English support: ekWateur, keeping written records given its 45 per 100,000 rate.
- Big brand for gas: Engie, Service Client de l'Année 2026, while checking each regularisation bill.
- Lowest price with good data: Primeo Énergie (19 per 100,000) or OHM Énergie (4.7/5, 25 per 100,000).
- Phone service and the regulated price: EDF on 3404, but refuse estimated billing and check your Linky readings.
Energy suppliers in France operate under the oversight of the CRE, the French energy regulator. Disputes go first to the supplier in writing, then, after two months, to the Médiateur national de l'énergie, free of charge.
Frequently Asked Questions
Which energy provider has the best user reviews in 2026?
On October 2026 data, Octopus Energy leads with 4.9 out of 5 on Trustpilot over more than 46,000 reviews, plus 15 Médiateur referrals per 100,000 contracts, half the sector average. Alpiq also scores 4.9 on a smaller base of 5,700 reviews, Enercoop 4.8 and OHM Énergie 4.7.
Which energy suppliers get the fewest complaints to the Médiateur?
Among the suppliers we track, Enercoop has the lowest Médiateur national de l'énergie referral rate, 6 per 100,000 contracts, followed by Ilek (7), Octopus Energy (15), Primeo Énergie (19), Engie (22), OHM Énergie (25) and Alpiq (28). ekWateur, at 45, is above the sector average.
Is OHM Énergie safe after its 2022 difficulties?
OHM Énergie is still trading in October 2026 and its review data have recovered: 4.7 out of 5 on Trustpilot over 10,700 reviews and 25 Médiateur referrals per 100,000 contracts, below the sector. Remaining complaints concern billing accuracy and sign-up. Contracts are sans engagement, so you can leave at any time for free.
Which energy provider is best for English speakers?
ekWateur is the only supplier where customers report English-speaking agents, and it offers billing on real use. Its Médiateur rate is above average, at 45 per 100,000 contracts, so keep written records of any dispute. Octopus Energy offers partial English handling.
How easy is it to switch energy provider in France?
Very easy. You sign with the new supplier, which informs Enedis or GRDF and closes your old contract. Supply is never cut, and all residential contracts are sans engagement, with no exit fee and no notice period. Customers who moved from Vattenfall to Alterna in July 2026, or from Wekiwi to Plenitude in June 2026, kept their supply without any action.
Where do the scores on this page come from?
Trustpilot scores and Médiateur national de l'énergie referral rates come from our October 2026 research, as relayed by Hello Watt, Selectra, Kelwatt and fournisseurs-electricite.com. Where we could not source a figure, the table says so rather than estimating one. Customer reports are paraphrased from dated, linked public posts.
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