Updated September 30, 2026 · TariffCue Editorial Team
Eni Plenitude vs niba
Eni Plenitude vs niba: the differences
| Compare |  Eni Plenitude |  niba |
|---|---|---|
| Fixed terms | 24 | 12 |
| Unit rate | €0.172 | €0.119Lower |
| Standing charge | €144 | €0.091Lower |
| Regions served | Italy | Iberian Peninsula |
| Markets | IT, FR, ES, PT, GR, SICovers more | ES |
| Renewable basis | Certificates | Not confirmed |
| Export rate | Not confirmed | €0.060 |
| Customers | 11,000,000 | Not confirmed |
Same on both: Exit fee (€0), Renewable share (100%).
We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings.
Key differences
- niba scores higher overall: 9.3 vs 8.8.
- Unit rate is lower at niba: €0.119 vs €0.172.
- Standing charge is lower at niba: €0.091 vs €144.
- Support channels: only Eni Plenitude offers Chat.
- Support channels: only niba offers Email.
- Eni Plenitude is available in 5 more countries.
- Tariff types: only Eni Plenitude offers Variable.
- Tariff types: only niba offers Time of use, Dynamic.
- Fixed terms: only Eni Plenitude offers 24.
- Fixed terms: only niba offers 12.
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.
niba
niba is a Spanish electricity and gas supplier for households that want to leave without a charge and put every unit on renewable power. Its standing charge of €0.091 is among the lowest on record, and support runs by email, phone and a help centre.
Score breakdown
| Area | Eni Plenitude | niba |
|---|---|---|
| Cost | 8.8Unit rate of €0.17 sits near the €0.17 market median, while the €144 standing charge sits well above it. | 9.7HigherExit fee of €0, unit rate of €0.12 and standing charge of €0.091 keep the fixed side of the bill very small. |
| Offer | 9.3HigherFixed and variable energy tariffs covering electricity and gas, plus fibre broadband entry €19.90 with 2,500 Mbps download. | 8.9Renewable supply of 100%, an export rate of €0.06 and tariff types of fixed, time of use and dynamic widen the choice. |
| Trust | 8.0Founded in 2022 as Eni Plenitude SpA Societa Benefit in IT, with support on phone, chat and help centre. | Not confirmed |
Where each is licensed and available
| Country | Eni Plenitude | niba |
|---|---|---|
| Headquarters | Italy | Spain |
Available in 1 country for both. Additional countries for Eni Plenitude: 5.
The numbers side by side
| Fact | Eni Plenitude | niba |
|---|---|---|
| Unit rate | €0.172 | €0.119 |
| Standing charge | €144 | €0.091 |
| Renewable share | 100% | 100% |
How they place
| Ranking | Eni Plenitude | niba |
|---|---|---|
| Energy suppliers | 5 of 96 | 27 of 96 |
| Green energy suppliers | 5 of 56 | 13 of 56 |
| Energy tariffs without exit fees | 3 of 19 | 7 of 19 |
Every fact side by side
| Fact | Eni Plenitude | niba |
|---|---|---|
| Tariff types | Fixed, Variable | Fixed, Time of use, Dynamic |
| Fuels | Electricity, Gas | Electricity, Gas |
| Legal entity | Eni Plenitude SpA Societa Benefit | FASTLIGHT, S.L.U |
| Headquarters | Italy | Spain |
| Founded | 2022 | Not confirmed |
| Support channels | Phone, Chat, Help centre | Email, Phone, Help centre |
Broadband
| Fact | Eni Plenitude | niba |
|---|---|---|
| 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 | niba | Median |
|---|---|---|---|
| Exit fee | €0at the median | €0at the median | €0 |
| Unit rate | €0.172above the median | €0.119lowest quarter | €0.17 |
| Standing charge | €144highest quarter | €0.091lowest quarter | €14.99 |
| Renewable share | 100%at the median | 100%at the median | 100% |
| Customers | 11,000,000highest quarter | Not confirmed | 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.
niba
Pros
- An exit fee of €0 means switching costs nothing, which places niba in the no exit fee group.
- Renewable supply of 100% covers the whole plan, and an export rate of €0.06 rewards rooftop solar.
- A standing charge of €0.091 keeps the fixed part of bills small for light users.
Cons
- The unit rate of €0.12 sits above the cheapest tariffs in the comparison, so heavy users pay more for each unit.
- Sales cover ES only, across the Iberian Peninsula, so there is nothing on offer for households elsewhere.
- Endesa and Electricity Ratings both list an electric vehicle tariff, while the niba range is fixed, time of use and dynamic.
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.
niba
Who it suits
- Households in Spain that want to leave a fixed contract without paying an exit fee.
- Homes with rooftop solar that want renewable supply plus an export rate.
- People who want electricity and gas together across fixed, time of use or dynamic pricing.
Who should look elsewhere
- Electricity vehicle drivers: Endesa lists fixed, time of use and electric vehicle tariffs (fixed, time of use and ev), and a charging rate is the point for them.
- Anyone after a variable or prepay choice: Powerpeers lists dynamic, fixed, variable and green (dynamic, fixed and variable).
Country by country
| Country | Eni Plenitude | niba |
|---|---|---|
| France | Yes | No |
| Greece | Yes | No |
| Italy | Yes | No |
| Portugal | Yes | No |
| Slovenia | Yes | No |
| Spain | Yes | Yes |
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.
niba
What does it cost to leave niba?+
Nothing. The exit fee is €0, so you can end the contract without paying to walk away. The fixed term runs 12 months, so the commitment stays short and an earlier switch costs nothing. That makes niba a low risk contract to try first.
How much is the energy itself?+
The unit rate is €0.12 and the standing charge is €0.091. The unit rate moves with how much you consume, while the standing charge is the fixed part you pay regardless. Light users notice the fixed part most, heavy users notice the unit rate most.
Other options to compare
Other matchups
- Eni Plenitude vs Enel
- Eni Plenitude vs Engie 2026
- Eni Plenitude vs Kinetic
- Eni Plenitude vs Abissnet
- Eni Plenitude vs EarthLink
- Eni Plenitude vs Vattenfall
- Eni Plenitude vs 100Green
- Eni Plenitude vs Green Planet Energy eG
- Eni Plenitude vs Endesa
- Eni Plenitude vs Rabot Energy
- Eni Plenitude vs Alperia
- Eni Plenitude vs Ecotricity
- Eni Plenitude vs Odido Thuis
- Eni Plenitude vs RED by SFR
- Eni Plenitude vs toob
- Eni Plenitude vs YouFibre
- Eni Plenitude vs Astound
- Eni Plenitude vs Octopus Energy
- Eni Plenitude vs Budget Thuis Internet
- Eni Plenitude vs PremiumSIM
- Eni Plenitude vs sim.de
- Eni Plenitude vs Energie
- Eni Plenitude vs 1pBroadband
- Eni Plenitude vs EE Store
- Eni Plenitude vs Singtel
- Eni Plenitude vs beeline
- Eni Plenitude vs Homefi