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Offshore Energy Integration in the UK a Step Closer

Power News - Published on Fri, 10 Jan 2020

Image Source: Renewable Energy
Integrating the UK offshore energy sector, including closer links between oil and gas and renewables, can reduce carbon emissions from oil and gas production and, longer term, actively support delivery of the UK's net zero target through technologies such as carbon capture and storage. This is the conclusion drawn in the "UKCS Energy Integration: Interim Findings" report, published today, 17 December 2019, by the Oil and Gas Authority.

The interim report discusses the first phase of the UKCS Energy Integration project which is led by the OGA, working with BEIS, The Crown Estate and Ofgem, considering options to help feed into a new strategic vision of the UKCS as an integrated energy basin. The project is funded by a grant from the Regulators' Pioneer Fund.

The project considers how oil and gas infrastructure and capabilities can be leveraged for CCS, and to support renewable energy production and hydrogen generation, transportation and storage.

The report finds that multiple offshore integration concepts are technically feasible and would be viable options for helping to lower the oil and gas industry's carbon footprint and decarbonising the UK economy.

The report emphasises that opportunities for UKCS deployment are plentiful, diverse and location-specific. Additionally, the UK has significant wind power potential, untapped carbon storage capacity, and extensive oil and gas infrastructure in place. All the concepts discussed in the report can reduce carbon dioxide emissions but differ in terms of scalability and timeline.

The concepts discussed in the report are as follows:

Platform electrification could significantly reduce emissions on oil and gas installations by using low-carbon electricity, including directly from offshore wind farms, to replace generation from gas and diesel. Technology for platform electrification has been proven and could enable near-term emissions reductions for the oil and gas industry.
Gas-to-wire (GtW) may enable gas to be converted to electricity offshore and transported using existing windfarm cables. In terms of technical feasibility, individual elements are proven, but it is a niche solution suited, particularly, to the Southern North Sea (SNS) and East Irish Sea (EIS). GtW can to be combined with CCS to avoid the incremental CO2 emissions.
CCS has already been piloted offshore and is considered essential in all UK decarbonisation scenarios, not just to decarbonise the power sector but also to enable deep cuts from other sectors, including industry. The storage potential across the UKCS and opportunity for oil and gas synergies is very significant.
Hydrogen has feasible production avenues through both 'blue' hydrogen (produced by natural gas reforming) and 'green' hydrogen (electrolysis produced by renewables) routes, enabling decarbonisation of power, heat and transport. The offshore energy sector - both oil and gas and renewables - offer significant production, storage and transport potential, for example through the repurposing of offshore oil and gas infrastructure and offshore electrolysis, with transportation in re-used pipelines.
Offshore energy hubs can help scaling up net-zero energy solutions, e.g. by allowing hydrogen to be generated offshore using windfarms and stored in reservoirs to be transported to shore using oil and gas infrastructure. Multiple sites across the UK would be suited to energy hubs.

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Posted By : Arun Huidrom on Fri, 10 Jan 2020
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