The UK Climate Change Act 2008 has set 80% GHG emissions reduction target by 2050, relative to 1990 national GHG emissions. In this essay, DACC 2050 calculator has been used to devise a whole system scenario to assess the actions needed and possible energy mix needed to achieve 80% target by 2050. It has been concluded that for energy security, cost-effectiveness and achievement of 20250 target, wind power and nuclear power will have to play the key role.
In addition to that demand side management, through electrification of heat and transport, and energy efficiency will have to play a significant role. However, technological advancement in CCS, improvement in nuclear power flexibility in operation and geo-sequestration will influence 2050 target achievement.
Demand side management and demand reduction is very important in decarbonization of energy sector. One third of GHG reductions since 1990 are due to change in electricity mix, while two third are due to demand shift and energy efficiency. So, demand side carries considerable potential of GHG reductions.
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