Environmental guidance for your business in Northern Ireland & Scotland

Generating income from renewable energy

Generating income from renewable energy

There are three potential sources of income from small-scale renewable energy generation:

  • export tariffs
  • feed-in tariffs paid by the government for every kilowatt of electricity generated
  • green energy certificates.

Export tariffs

If you generate more electricity than you use you can sell the extra electricity back to your electricity company. The payments you receive for selling electricty are called export tariffs.

Energy Saving Trust: Smart Export Guarantees and Export tariffs

Feed-in tariffs for low carbon electricity

Feed-in tariffs were set up to provide financial support for low carbon electricity generation in projects up to five megawatts. The government guaranteed payment to microgenerators for every kilowatt hour of electricity you generate by renewables, including electricity you generate and use yourself. The scheme closed for new installations on 31 March 2019. Existing payments are not affected but no new installations will be eligible.

GOV.UK: Feed-in Tariffs

The government regulator Ofgem regulates the feed-in tariff scheme.

Ofgem: Review of the feed-in tariff scheme

Green energy certificates

If you operate a small-scale energy generator you may be able to make money by selling green energy certificates to energy suppliers.

You can save money by using the certificates to get exemptions from some environmental taxes, such as the climate change levy.

The certificates include:

  • renewable obligation certificates
  • levy exemption certificates
  • renewable energy guarantee of origin.

GOV.UK: Renewable Obligation certificates

Interest-free loans

A range of grants and loans are available to help businesses switch to renewable energy.

If you are a small or medium-sized business you can apply for an interest-free loan from the Carbon Trust to invest in renewable energy technology. They can also help you with installation.

Carbon Trust: Interest free loans

Interest-free loans are also available from the Energy Saving Trust in Scotland.

Energy Saving Trust Scotland: Small business loans

Enhanced Capital Allowance scheme

If you invest in certain renewable energy equipment you may qualify for tax breaks called enhanced capital allowances.

GOV.UK: Enhanced Capital Allowances

CRC Energy Efficiency Scheme

If your business is covered by the CRC Energy Efficiency Scheme (formerly the Carbon Reduction Commitment) you can claim credits for any electricity you generate. This means you can buy fewer allowances and save money.

CRC Energy efficiency scheme

In Scotland, the Energy Saving Trust has developed the Green Network for Businesses. This tool allows you to search by postcode for green businesses in your area. All these businesses have installed energy saving or energy generating technologies .

Once you identify the business that has installed the green technology you are interested in, contact them to organise a visit.

EST: Green Network for Business

In this Guideline

Benefits of using renewable energy

Generating income from renewable energy

Renewable energy considerations

Wind energy

Biomass and anaerobic digestion

Solar energy

Geothermal energy and ground source heat pumps

Hydroelectric power

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