Banding of The Renewables Obligation
The Renewables Obligation represents the UK Government’s main policy measure for stimulating the growth of electricity generation from renewable sources. The Government envisages that 30% of electricity demand will need to be generated by renewable sources in order for the UK to meet a legally binding EU target of obtaining 15% of energy from renewable sources by 2020.
The Renewables Obligation is a market-based mechanism designed to incentivise the generation of electricity from renewable energy sources over more traditional alternatives at a reasonable cost to the consumer.
When it was first introduced in 2002, each form of renewable energy technology received the same level of support, namely one ROC/MWh of electricity generated. This was a conscious decision as the Government was keen to promote a market-led approach, emphasising competition between technologies to minimise cost, and did not want to distort the market by appearing to place the importance of certain technologies above others.
As a result, whilst being ostensibly technology-neutral, the Renewables Obligation in its original form in fact favoured the deployment of the more established, near-market technologies such as landfill gas and onshore wind, those which were most economically efficient, over less well developed technologies that were further from commercial viability.
A review of the performance of the Renewables Obligation was announced in the 2003. Modelling of future deployment scenarios indicated that targets would not be met with current levels of support due to constraints on the availability and deployment of the most established technologies. A significant contribution would therefore be required from less mature technologies which lacked sufficient incentive to develop into feasible alternatives under the original scheme.
The Government announced its intention to reform the Renewables Obligation in 2006. Banding was introduced in 2009 to provide differing levels of support to groups of technologies depending upon their relative maturity, development cost and associated risk. Whilst increasing the incentive for technologies in the early stages of development this also allowed the level of support for well established technologies to be reduced to avoid over-subsidisation.
In reforming the Renewables Obligation in this way, and scheduling regular future reviews, the Government recognised that the market would not deliver the mix of renewable energy generation required to meet the targets if the incentives remained technology-neutral. It was therefore necessary for the Government to perform a continuing strategic role and retain the capability to intervene if necessary. The introduction of banding allowed the Government to steer industry towards investment in less well developed forms of renewable energy to enable them to contribute to meeting the long-term targets, rather than concentrating investment in technologies that are economically favourable in the short-term.
The Government has reviewed the banding levels for appropriate incentives for the period 2013-2017. These bands include a reduction in the tariff for onshore wind to 0.9 ROCs/MWh and an increase for small wave and tidal stream projects, under 30 MW, to 5 ROCs/MWh.
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