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Niba vs Plenitude

Live Comparison • september 2026

A detailed head-to-head comparison covering rates, typical bills, pros & cons, and features to help you decide which is better for your home.

Our Verdict

Overall Winner: Lowest Typical Bill

For a typical Spanish household (3.6kW Potencia, 300kWh monthly usage), Niba is the cheaper option. Their niba Tres tariff results in an estimated monthly bill of 68.67 (including taxes). This compares to Plenitude's best option (Plenitude Fácil Plus Luz (≤ 5 kW)) at €70.23 per month.

Niba Best Bill
68.67
Plenitude Best Bill
70.23

* Assumption: 3.6 kW contracted power, 300 kWh monthly usage (20% peak, 30% flat, 50% off-peak), including 21% IVA, 5.11% Electricity Tax, and ~€1 meter rental.

Best Flat Rate

Plenitude wins here. Their flat rate is 0.107914 €/kWh compared to Niba's 0.119 €/kWh.

Best Time-of-Use Rate

Niba is the only provider offering a fixed 3-period time-of-use rate.

Scorecard Comparison

Metric (1-10)NibaPlenitude
Price Competitiveness
9
8
Solar Suitability
8
7
EV Suitability
7
6
Simplicity
9
8
Customer Service
8
7
Transparency
9
8

Full Head-to-Head Comparison

Niba

Niba

4.1 / 5 (150+ reviews)
Founded2025
Customers10,000+
Energy100% Renewable

Pros

  • Med stöd av Iberdrolas infrastruktur och stabilitet
  • Mycket konkurrenskraftigt fast pris ({rate})
  • Ingen bindningtid
  • 100 % grön el-certifikat
  • Enkel digital registrering och hantering

Cons

  • Kundtjänst är främst digital
  • Kortare historik än de stora traditionella elbolagen

Available Tariffs

niba Solar

Est. Monthly Bill
71.96
Energy (24h)0.119 €/kWh
Potencia (P1 / P2)0.091 / 0.091 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone

niba Zen

Est. Monthly Bill
71.96
Energy (24h)0.119 €/kWh
Potencia (P1 / P2)0.091 / 0.091 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone

niba Tres

Est. Monthly Bill
68.67
Energy (P1 / P2 / P3)
0.193 / 0.135 / 0.083
€/kWh
Potencia (P1 / P2)0.077 / 0.077 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone

niba Flex

Est. Monthly Bill
86.82
Energy (P1 / P2 / P3)
0.246 / 0.179 / 0.186
€/kWh
Potencia (P1 / P2)0.076 / 0.002 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone
Plenitude

Plenitude

4.6 / 5 (2,500+ reviews)
Founded2021
Customers300,000+
Energy100% Renewable

Pros

  • 100% certifierad grön energi
  • Enkla och stabila fastpristariffer
  • Stark finansiell ryggrad via Eni
  • Utan bindningstid eller exitavgifter

Cons

  • Traditionell kundservicemodell
  • Priserna kan vara högre än hos lågprisaktörer
  • Fokus ligger tungt på fastpris

Available Tariffs

Plenitude Fácil Plus Luz (≤ 5 kW)

Est. Monthly Bill
70.23
Energy (24h)0.107914 €/kWh
Potencia (P1 / P2)0.099984 / 0.099984 €/kW
Solar ExportN/A
Fixed FeeNone

Plenitude Fácil Plus Luz (> 5 kW)

Est. Monthly Bill
75.01
Energy (24h)0.120419 €/kWh
Potencia (P1 / P2)0.099984 / 0.099984 €/kW
Solar ExportN/A
Fixed FeeNone

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