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At Power NI we have arrangements in place where we can purchase exported electricity (electricity you generate but don't use on the premises) and NIROCs (Northern Ireland Renewable Obligation Certificates) on electricity which is generated by a renewable source. These arrangements are called the Power NI Generation Contract but we can only offer these arrangements in Northern Ireland.
The Renewables Obligation is the main support scheme for renewable electricity projects in the UK. It places an obligation on UK suppliers of electricity to source an increasing proportion of their electricity from renewable sources. A Renewables Obligation Certificate (ROC) is a green certificate issued to an accredited generator for eligible renewable electricity generated within the United Kingdom and supplied to customers within the United Kingdom by a licensed electricity supplier. One ROC is issued for each megawatt hour (MWh) of eligible renewable output generated. The Renewables Obligation (Northern Ireland) Order came into effect in April 2005 and the Northern Ireland Renewables Obligation (NIRO) was introduced by the Department for Enterprise, Trade and Investment (DETI).
The NIRO has been subject to regular reviews and the day to day functions of administering the NIRO are performed by Ofgem. Ofgem, based in London, is responsible for the process of accrediting renewable energy installations and issuing Northern Ireland Renewable Obligation Certificates (NIROCs) to generators in Northern Ireland. It is the owner of the generating stations responsibility to apply for and manage their own Ofgem accreditation.
For more information about Ofgem’s requirements then please refer to the Ofgem website. If you wish to contract with Power NI, you must agree to sell your export and NIROCs (and other green benefits such as LECs and REGOs) associated with your installation.
Because any electricity that is generated but not used can’t be stored, it is exported back to the grid. We will pay you for the amount you export.
For renewable energy generators up to 50kW, we will publish our prices for export in October each year, helping you to work out the expected income you can earn for the year ahead. We take the risk out of fluctuating energy prices for smaller generators and can give certainty when calculating your payback periods.
Tariff from 1 October 2014 – 30 September 2015
|1 ROC for generators up to 50kW||4.08p/kWh|
(up to 50kW)
|Existing Microgeneration||2 ROCs||8.16p/kWh||£81.60/MWh|
|Wind||Up to 250kW||4 ROCs||16.32p/kWh (up to 50kW)||£163.62/MWh|
|Photovoltaic (PV)||Up to 50kW||4 ROCs||16.32p/kWh||£163.20/MWh|
|Hydro||Up to 20kW||4 ROCs||16.32p/kWh||£163.62/MWh|
|20kW – 250kW||3 ROCs||12.24p/kWh (up to 50kW)||£122.40/MWh|
|AD||Up to 50kW||4 ROCs||16.32p/kWh||£163.20/MWh|
|Biomass||Up to 50kW||2 ROCs||8.16p/kWh||£81.60/MWh|
Power NI’s Generation Tariff currently offers an annual fixed price for ROCs and export for generators up to 50kW. Both prices are considered and approved by the Utility Regulator each year.
Annual ROC and Export prices are approved by the Utility Regulator each year. The ROC price is subject to fluctuation each year due to market factors. The ROC price for 2014-2015 is lower than last year mainly as a result of lower ROC prices in the UK ROC market during the last 12 months as well as a lower ROC price forecast. The export price for 2014-2015 has reduced slightly because of a reduction in wholesale fuel costs.
From 1 October 2014- 30th September 2015 5.10p/kWh
The export price for 2014-2015 has reduced slightly because of a reduction in wholesale fuel costs.
If your system is over 50kWh click here.
You must have a Grid Connection Agreement in place with Northern Ireland Electricity (NIE) in order to export to the electricity network. You can request an NIE Generator application pack (G83/G59) via the NIE website
An import/export meter must be fitted by NIE, not Power NI. If you need this meter this will be triggered by your installer completing and submitting the NIE Grid Connection Agreement. NIE will then contact you directly to arrange an appointment to change your electricity meter.
For renewable energy generators up to 50kW, Power NI publishes its prices for export in October each year and this helps you to work out the expected income you can earn for the year ahead.
The current single rate export tariff is:
Tariff from 1 October 2014 – 30 September 2015
Generators up to 50kW
Export payments will be paid annually. Payment for export will be made by Power NI directly into your bank account; it will not appear on your electricity bill. A meter reader will continue to read your electricity meter so that a bill can be issued for the amount of electricity you have bought from Power NI. We will contact you to request the export meter reading at the end of each September. When we receive a valid export meter reading, we will arrange payment for you.
Current customers can click here for how to read your import/export meter.
If Power NI is acting as your Agent:
Ofgem insist that generation meter readings are taken on the 31st March each year so we will send you a reminder to ask you to take your generation meter reading at the end of March. Power NI will then send all the generation meter readings together to Ofgem at the end of May. ROCs are usually issued by Ofgem from July and Power NI will then arrange a bank transfer for the appropriate amount to all Agent customers Payment cannot be arranged until the ROCs have been issued.
For new customers (From 1st May 2015) carrying out your own Ofgem / ROC administration
You are responsible for accrediting and managing your generator with Ofgem. Click here for more information.
To get an application for the Power NI Generation Tariff please provide us with the following details so we can decide which application form is most appropriate for your installation.
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is quick and easy, simply follow the instructions on