Updated September 30, 2026 · TariffCue Editorial Team
Eni Plenitude vs Green Planet Energy eG
What sets them apart
| Compare |  Eni Plenitude |  Green Planet Energy eG |
|---|---|---|
| Unit rate | €0.172 | €0.166Lower |
| Standing charge | €144 | €16.57Lower |
| Renewable basis | Certificates | Own generation |
| Customers | 11,000,000Higher | 200,000 |
| Markets | IT, FR, ES, PT, GR, SI | DE |
| Fixed terms | 24 | Not confirmed |
| Smart meter required | Not confirmed | Yes |
| Regions served | Italy | Not confirmed |
Same on both: Exit fee (€0), Renewable share (100%).
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Key differences
- Green Planet Energy eG scores higher overall: 9.1 vs 8.8.
- Unit rate is lower at Green Planet Energy eG: €0.166 vs €0.172.
- Standing charge is lower at Green Planet Energy eG: €16.57 vs €144.
- Customers is higher at Eni Plenitude: 11,000,000 vs 200,000.
- Support channels: only Eni Plenitude offers Chat.
- Support channels: only Green Planet Energy eG offers Email.
- Founded is lower at Green Planet Energy eG: 1999 vs 2022.
- Eni Plenitude is available in 5 more countries.
- Tariff types: only Eni Plenitude offers Fixed.
- Tariff types: only Green Planet Energy eG offers Green, Dynamic, Ev.
Our verdict on each
Eni Plenitude
Eni Plenitude suits Italian households that want electricity and gas on a single fixed deal with an energy exit fee of €0. The tariff is listed at 100% renewable on a certificate basis, and the fibre broadband sold alongside gives a second reason to stay with one supplier.
Green Planet Energy eG
Green Planet Energy eG is a cooperative supplier serving 200,000 customers in Germany, and it suits households who want renewable electricity and gas without paying to leave, since the exit fee is €0. The renewable share of 100% comes from its own generation.
Score breakdown
| Area | Eni Plenitude | Green Planet Energy eG |
|---|---|---|
| Cost | 8.8Unit rate of €0.17 sits near the €0.17 market median, while the €144 standing charge sits well above it. | 9.1HigherStanding charge of €16.57 ranks 10 of 16 brands, and unit rate €0.17 ranks 9 of 23. |
| Offer | 9.3HigherFixed and variable energy tariffs covering electricity and gas, plus fibre broadband entry €19.90 with 2,500 Mbps download. | 9.0Tariff types cover green, variable and dynamic, and fuels cover electricity and gas, giving a broad in-house range. |
| Trust | 8.0Founded in 2022 as Eni Plenitude SpA Societa Benefit in IT, with support on phone, chat and help centre. | 9.2HigherA cooperative registered as Green Planet Energy eG in DE, serving 200,000 customers since 1999. |
If neither fits
Endesa has customers at 12,700,000, against 11,000,000 for Eni Plenitude and 200,000 for Green Planet Energy eG.
Endesa reviewWhat we checked
Eni Plenitude
- eniplenitude.com: 12 facts, checked September 30, 2026
- corporate.eniplenitude.com: 3 facts, checked September 30, 2026
Green Planet Energy eG
- green-planet-energy.de: 14 facts, checked September 30, 2026
How they place
| Ranking | Eni Plenitude | Green Planet Energy eG |
|---|---|---|
| Energy suppliers | 5 of 96 | 30 of 96 |
| Green energy suppliers | 5 of 56 | 15 of 56 |
| Energy tariffs without exit fees | 3 of 19 | 9 of 19 |
Every fact side by side
| Fact | Eni Plenitude | Green Planet Energy eG |
|---|---|---|
| Tariff types | Fixed, Variable | Green, Variable, Dynamic, Ev, Time of use |
| Fuels | Electricity, Gas | Electricity, Gas |
| Legal entity | Eni Plenitude SpA Societa Benefit | Green Planet Energy eG |
| Headquarters | Italy | Germany |
| Founded | 2022 | 1999Lower |
| Support channels | Phone, Chat, Help centre | Email, Phone, Help centre |
Broadband
| Fact | Eni Plenitude | Green Planet Energy eG |
|---|---|---|
| Technology | Fttp, Fttc | Not confirmed |
| Top download speed (Mbps) | 2,500 | Not confirmed |
| Upload speed (Mbps) | 1,000 | Not confirmed |
| Price from | €19.90 | Not confirmed |
| Reference plan prices | Fibra existing energy customers: 19.90 EUR/month, 2500 Mbps, no term; Fibra plus Energy new customers: 19.90 EUR/month, 2500 Mbps, no term; Fibra only new customers: 25.90 EUR/month, 2500 Mbps, no term | Not confirmed |
| Contract length | 1 | Not confirmed |
| Setup fee | €39 | Not confirmed |
| Price after contract | €25.90 | Not confirmed |
| Exit fee terms | No penalties; 25.90 EUR deactivation fee within 24 months, 16.90 EUR with energy discount | Not confirmed |
| Router | Modem Wi-Fi 7 included | Not confirmed |
| Address checker | https://eniplenitude.com/offerta/casa/fibra-internet | Not confirmed |
Where each stands against the rest
| Fact | Eni Plenitude | Green Planet Energy eG | Median |
|---|---|---|---|
| Exit fee | €0at the median | €0at the median | €0 |
| Unit rate | €0.172above the median | €0.166below the median | €0.17 |
| Standing charge | €144highest quarter | €16.57above the median | €14.99 |
| Renewable share | 100%at the median | 100%at the median | 100% |
| Customers | 11,000,000highest quarter | 200,000below the median | 850,000 |
Median across 58 listed providers.
Pros and cons
Eni Plenitude
Pros
- The €0 exit fee ranks 1 of 29 brands, the clearest advantage in the set here.
- Renewable share of 100% on a certificate basis, so the green claim names how it is certified.
- Electricity and gas on the same account, electricity and gas, with fixed terms of 24 months if you want rate certainty.
Cons
- The €144 standing charge is the weak point, ranking 16 of 16 and sitting above the €14.98 market median.
- The fibre line carries a €39 setup fee, where the median setup fee across the plans listed here is €0.
- Broadband-only new customers pay €25.90 rather than the €19.90 rate offered with an energy contract.
Green Planet Energy eG
Pros
- The exit fee is €0, which places Green Planet Energy eG at 1 of 29 brands, so leaving later costs nothing.
- Renewable supply of 100% rests on own generation, so the green claim comes from the cooperative's own generation rather than bought certificates.
- Tariff types cover green, variable and dynamic, so a household can pick a green plan, a variable rate, a dynamic rate or an electric vehicle rate.
Cons
- The standing charge of €16.57 ranks 10 of 16 brands, so a low usage home pays more for the connection than most rivals.
- The unit rate of €0.17 ranks 9 of 23 brands, which is mid table rather than a standout for anyone shopping purely on unit cost.
- A smart meter is required, so the tariff cannot start until a compatible meter is fitted, which adds a step to every switch.
Who each suits
Eni Plenitude
Who it suits
- Italian households that want electricity and gas on a single fixed deal with a €0 exit fee.
- Existing energy customers adding fibre, who get the €19.90 entry rate rather than €25.90.
- People who want a support mix of phone, chat and help centre with a phone line in it.
Who should look elsewhere
- Buyers after hourly or dynamic pricing rather than a fixed rate: Powerpeers lists dynamic, fixed and variable.
- Shoppers set on prepay or a separate green choice: Electricity Ratings lists fixed, ev and time of use.
- Households looking for time-of-use or electric vehicle tariffs: Endesa lists fixed, time of use and ev.
Green Planet Energy eG
Who it suits
- Households in DE already on a variable or dynamic rate who want to move to renewable electricity without paying to leave.
- EV owners who want charging priced on the supplier's electric vehicle tariff rather than on a standard rate.
- Gas and electricity households who would rather keep the same cooperative than split the account between suppliers.
Who should look elsewhere
- Endesa buyers, since these tariffs run in DE while Endesa lists fixed, time of use and ev for Spanish households.
- Powerpeers buyers who want a fixed rate from a supplier listing dynamic, fixed and variable, since the range here is green, variable and dynamic.
- Electricity Ratings buyers after a prepay meter, since fixed, ev and time of use includes prepay and the range here is green, variable and dynamic.
Country by country
| Country | Eni Plenitude | Green Planet Energy eG |
|---|---|---|
| France | Yes | No |
| Germany | No | Yes |
| Greece | Yes | No |
| Italy | Yes | No |
| Portugal | Yes | No |
| Slovenia | Yes | No |
| Spain | Yes | No |
Questions about each
Eni Plenitude
Is there an exit fee on the energy contract?+
No penalty charge applies to the energy tariff, where the exit fee is €0. Broadband is treated separately: the fibre line carries a deactivation charge if you cancel within the initial period, and that charge is reduced when you hold an energy contract with the same supplier. Leaving the energy side is simple; leaving the fibre side is not free.
What do I actually pay on the energy side?+
The unit rate is €0.17 and the standing charge is €144, and the standing charge applies whatever the household uses. Low-usage homes feel that fixed part harder, so the same tariff can look different from home to home. Both fuels, electricity and gas, sit on the same contract.
Green Planet Energy eG
What does Green Planet Energy eG cost?+
The unit rate is €0.17 and the standing charge is €16.57, and those charges together make up a typical bill. The unit rate ranks 9 of 23 brands, so the price sits in the middle of the range rather than at either end.
Is there an exit fee if I want to leave?+
The exit fee is €0, which places Green Planet Energy eG at 1 of 29 brands. Nothing has to be paid to switch away, which matters for anyone who expects to move home, split with a partner or change supplier later.
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