Page 17 - Gi flipbook September 2018
P. 17

Biogas has huge potential for heat























                                                    achieve this, waste strategy which is   deployment of renewable
                                                    currently managed by the Defra   generation technologies, at sufficient
                                                    must be aligned with energy      scale to allow competitive supply
                                                    strategy, which is managed by BEIS.   chain development, standardisation
                                                                                     and further innovation, that costs
                                                  Develop a market for hydrogen for   came down and their potential was
                                                  decarbonisation in the long term   fully realised. If the UK is to exploit
                                                  ■  Hydrogen has potential applications   the potential offered by low carbon
                                                    across the energy system, including   gases in time to contribute to the
                                                    injection into the gas grid for   2050 decarbonisation targets, it will
                                                    domestic heat, providing energy for   need to install production
                                                    industry and fuelling hydrogen   technologies in the near term.
                                                    buses, trains and other heavy goods
                                                    vehicles. Developing production of   THE IGEM VIEW
                                                    hydrogen will entail building up the   IGEM is clear that gas has a significant
                                                    currently low levels of both supply   and critical role to play in the
                                                    of and demand for hydrogen. One   decarbonisation challenge and
                                                    of the challenges for policymakers   transition to a low carbon economy.
                                                    is to incentivise businesses to invest   Gas has been a source of energy in the
                 Support biogas production for      in hydrogen, reward those who use   UK for over 200 years, serving 23.2
                 decarbonisation in the near term   it, and build up hydrogen      million customers nationwide. To
                 ■  Biogases, such as biomethane and   production, storage and transport   negate the role of gas in decarbonising
                   bioSNG, are chemically similar to   infrastructure.             heat would mean abandoning a world
                   natural gas and can therefore be   ■  Hydrogen buses are already being   class piece of infrastructure.
                   used straight away to replace    used in Aberdeen and London. A   Neil Atkinson, IGEM CEO, said: “Low
                   natural gas in heating, industry and   wider roll-out of hydrogen buses in   carbon forms of gas could make a
                   transport. However, biogases need   other local authorities is one way   significant contribution to the UK’s
                   continuing support from          to build up early hydrogen demand   efforts to reduce greenhouse gas
                   government, firstly to allow them to   in the near term. Other routes such   emissions by 80 per cent by 2050. In
                   compete with natural gas in the   as blending hydrogen with natural   order to realise this opportunity,
                   energy market and secondly to    gas in the gas grid to supply heat   however, the production of these
                   encourage further development of   to domestic homes could operate   gases will need to be developed
                   the technology to make them as   on a larger scale and therefore   further and commercialised.
                   efficient and competitive as possible.  support early carbon capture and   “Policy development designed to
                                                    storage projects. These latter   support the decarbonisation of the
                 ■  Biogases can make use of sources   projects are likely to require a   economy as a whole, or specific sectors
                   of waste which might otherwise go   significant role for government to   like heat and transport, will clearly
                   to landfill where they can generate   support the investment.   need to take account of the broad
                   methane emissions. Food waste and                               range of technologies available and
                   sewage are two important sources   Learn lessons from the power sector  must encourage their demonstration at
                   of waste that can be used to   ■  The power sector has undergone   sufficient diversity and scale.
                   produce low carbon gas. The      rapid decarbonisation in recent   “Hydrogen, for example, doesn’t
                   Committee on Climate Change has   years. While there are different   have a developed supply chain,
                   recognised that properly disposing   challenges in decarbonising the heat   neither from a bulk industrial process
                   of food waste as one of the four   sector, there are still lessons which   such as SMR, or from electrolysis. In
                   most simple, low cost options to   can be applied. One is particularly   order to get one, we need to
                   reduce emissions. However, to    important: it was only through   encourage and support investments in






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        LowCarbon.indd   2                                                                                        14/08/2018   19:56
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