Fixed-Price Solar Tariffs with Surplus Electricity

If you’d prefer to know exactly how much you’ll be paid for the electricity generated by your solar panels, a fixed-price surplus solar tariff guarantees you the same amount per kWh throughout the contract. We compare the fixed-price options available so you can choose with complete certainty and without any surprises on your bill.

We work with leading companies in the energy sector and compare all offers with surplus supply on the market

Comparison of solar tariffs with a virtual battery

iberdrola

Iberdrola Solar: Solar tariff with a virtual battery

With Iberdrola’s virtual battery, any surplus energy you do not use is stored as a credit and applied to your subsequent bills, including the standing charge and other supply costs. Ideal for self-consumers who generate more than they use during the day.

Naturgy Solar with a virtual battery

Naturgy stores your surplus energy in a virtual battery so that you can make the most of it at night or during months when generation is lower. A solution to maximise the return on your solar installation without the need for physical batteries.

naturgy
total energies

Total Energies Solar: competitive fixed price

Total Energies sets the surplus compensation rate (€0.186/kWh) with clear terms and conditions, offering one of the most competitive fixed prices on the comparison site. Recommended for self-consumers who want both a good price and predictability.

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What is a fixed-price surplus solar tariff?

This is a self-consumption tariff under which the electricity supplier pays you a fixed price for every kWh you feed into the grid throughout the contract period, regardless of market fluctuations. You know from day one how much you’ll be compensated, allowing you to calculate your savings in advance and plan without any surprises.

It depends on your priorities. A fixed rate offers stability and protects you if the market falls, but you don’t benefit if it rises. A variable rate can pay you more when prices are high, but comes with uncertainty. If you value predictability and want to plan your savings, a fixed rate is usually the most reassuring option. We’ll compare the options for you free of charge.

The fixed price per kWh varies depending on the supplier and their current offer. On our comparison tool, you’ll see the fixed-price tariffs listed so you can compare how much each one costs. Remember that a fixed price is only worth it if it’s a good deal, so it’s worth comparing it with the rest of the market before signing up.

No: that is precisely what makes it unique. For the duration of the contract, the price you are paid for each kWh fed into the grid remains the same, regardless of how the electricity market changes. When you renew or switch tariffs, that price may be updated, which is why it is a good idea to review your tariff regularly.

Yes. Changing your tariff or energy supplier does not affect your solar installation, requires no building work and is free of charge. If you’d prefer to stop relying on the market and set a fixed price for your surplus energy, we’ll sort out the change for you in a matter of days.

Not necessarily. The fixed price for surplus energy refers to what you’re paid for the energy you feed into the grid; the price of the energy you consume from the grid may be fixed or variable, depending on your tariff. When we compare tariffs, we look at both prices so that you have a complete picture of your savings, not just those from surplus energy.

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