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In the light of projected peak demand of 85 GWe by 2050, its main scenario called for 14.5 GWe of new nuclear plant online by 2035, and nuclear supplying 31% of demand in 2050.
Different scenarios concerning electric vehicles increase peak demand by 6 GWe, 11 GWe or 18 GWe by 2050 depending on when the majority are charged, and assuming 7 k W charging (30 amps).
From August 2015 renewables no longer receive climate change levy exemption certificates, saving £3.9 billion over five years.
In 2013-14, 18.6 TWh was involved and 67.2 million certificates were issued or redeemed, 57% for wind, 17% for biomass and 12.6% for hydro.
The power supply implication of the EU Renewable Energy Directive mandating 15% of all energy, is that 30% of UK electricity should come from renewables by 2020.
One manifestation of the focus on renewables was the conversion of one 645 MWe unit of the Drax coal-fired power plant to burn biomass, mainly imported wood pellets, for a guaranteed power price of £105/MWh.
The energy secretary said: "Opponents of nuclear misread the science. The challenge, as with other low carbon technologies, is to deliver nuclear power which is low cost as well. “We are dealing with a legacy of under-investment and with Hinkley Point C planning to start generating in the mid-2020s, this is already changing.
It is imperative we do not make the mistakes of the past and just build one nuclear power station.
The looming decommissioning cost is likely to be in excess of £30 billion, with the government liable for 60% of this.
The last operating Magnox reactor – Wylfa 1 – shut down in December 2015.
This left seven twin-unit AGR stations and one PWR, all owned and operated by a subsidiary of France's EDF called EDF Energy.
38% came from European pipelines, 35% of which was from Russia.
The remaining 17% was imported in liquefied form on tankers, mainly from Qatar.