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Information - ROC's

The Renewables Obligation Certificates (ROC) are designed to incentivise the generation of electricity from eligible renewable sources in the United Kingdom. It was introduced in England and Wales and in a different form (the Renewables Obligation (Scotland)) in Scotland in April 2002 and in Northern Ireland in April 2005.

Watch this Space - In Mainland UK ROC's are due to be replace with Feed In Tariff, but in Northern Ireland there is expected to be a doubling of ROC's to 4 per MW. Register for our newsletter to keep upto date of all the lastest information.

The ROC Scheme places an obligation on licensed electricity suppliers (NIE, Scottish Power) source an increasing proportion of electricity from renewable sources. In 2006/07 it is 6.7% (2.6% in Northern Ireland). This figure was initially set at 3% for the period 2002/03 and under current political commitments will rise to 10.4% by the period 2011-12, then by 1% annually for the five years following.

The e-ROC on-line auctions are the most efficient method of selling Renewable Obligation Certificates (ROCs). Not only do they offer ‘renewables’ generators access to the whole supplier market in the UK, they deliver high ROC prices for low fees.

At the current time. 2 ROC’s are issued for every 1000kwh (1MW) generated by a renewable source (wind,pv etc). ROC’s can be traded on the open market,or sold back to your electric provider at a set price, you decide. It does not matter if you generate and use all of your electric, you will still be inline for a ROC payment, based on the total  units produced.

Quick Summary

A wind only generating station has a gross output of 60,000 kWh all of which isexported to the grid in a month or obligation period and it uses no input electricity.

The calculation is:

ROCs issued on = (60,000 - 0)*1 /1000 = 60 MWh.

60 x 2= 120 =120 ROCs would be issued.