It’s coming up to six years since badgers were relocated to make way for Britain’s next nuclear power station on the Somerset coast. In the pipeline for nearly a decade, plans for Hinkley Point took an unexpected turn in July.

Last month, as Britain’s Prime Minister, Theresa May was advised by her Chief of Staff to put a contract for the French/Chinese-backed Hinkley Point nuclear power station on hold, subject to review.

Mrs May was barely a year old when Britain’s worst ever nuclear disaster spread radioactive dust across northern Europe.

Windscale was built after WWII, to produce plutonium for England’s nuclear weapons programme. A bunker mentality still hung about the facility even after it became a provider of electric power to the public in 1956.

The following year a fire broke out at the plant and burned for three days before it could be contained. In the weeks that followed, milk from cows grazing within a 500 kilometre radius was diluted and destroyed.

Windscale, renamed Sellafield in attempt to erase dark beginnings, was put out of commission in 1973 after a dangerous leak capped a long history of incidents. The facility switched to reprocessing of nuclear fuel. This drew bitter opposition from Ireland and Scandinavia over dumping of contaminated water into the Irish Sea.

Ireland’s complaint to the UN was verified by a UK government study which found traces of radioactive substances in salmon bred at fish farms near the plant.

Sellafield was shut down completely in 2005 after uranium and plutonium spilled from a broken pipe. (Since then an American-led multinational corporation has been overseeing the closure process which could drag on into the next century.)

That same year, advisors to Tony Blair urged that emissions targets would best be met with more nuclear power stations. This ran contrary to the UK government stance taken three years earlier when energy efficiency and renewables were tagged as the most cost efficient path to meet immediate energy priorities.

Commenting on Mrs May’s decision to put the Hinkley Point contract on hold, energy economist Tooraj Jamasb of Durham University noted that the new government has not had time to develop a new coherent energy policy.

A 2002 review of UK energy policy veered away from further government subsidies and passed the baton to the private sector. As the UK government gave the go-ahead for a new generation of nuclear power stations to be built, environmentalists alleged unlawful State aid for the nuclear power industry in Britain, filing a complaint with the European Commission. Scotland made it clear that it would not accept any new power stations on Scottish soil.

The time has come for policymakers to shift their focus to clean energy

Campaign group Energy Fair said that an unlevel playing field was being created where government funded the costs of insurance, decommissioning, protection against terrorist attack and disposal of nuclear waste - without providing equal levels of support for renewable technologies.

After the 2011 Fukushima power plant disaster France vowed to scale down the share of electricity from nuclear sources and Germany announced a phase out of nuclear power by 2022.

Germany’s Federal Environment Agency has declared that the technology to make the switch to 100 per cent renewable energy is already available but requires that electricity is produced and used more efficiently. Meeting climate change targets can be done without nuclear if there are stronger efforts toward demand reduction and lifestyle changes.

The international race toward universal grid parity may see an unsubsidised tipping point next year. Frontrunner Australia is expected to achieve a renewable energy scenario which is cheaper than conventional supply, says a recent report from Deutschebank.

Viewed as covert factories for materials to build apocalyptic weapons, nuclear power stations also face resistance from groups such as the Campaign for Nuclear Disarmament. As pointed out by CND-UK the cost of nuclear power has continued to rise as the cost of renewable energy has fallen sharply.

A 2006 review by the Office of Nuclear Regulation, which led to assessment of reactor designs ahead of choosing sites, was challenged in court by Greenpeace as “seriously flawed”. Key details of the economics of nuclear power were not published until well after the review was final.

Hinkley Point nuclear power station has undergone a number of reincarnations since the first phase was built in 1956. Reactors on Hinkley Point ‘A’ were shut down permanently after an inspectorate found defects too expensive to fix in 1999. De-commissioning of a successor, Hinkley Point ‘B’ (built 1967) should have happened this year but has been extended to 2023.

The Hinkley Point C proposal by Électricité de France (EDF) and Chinese investors commits British consumers to pay more for nuclear-generated electricity than it costs to buy electricity from offshore windfarms.

Yet a study by Britain’s National Audit Office published last month cited calculations from the National Infrastructure Commission which show that if five per cent of current peak demand were met by demand flexibility then power saved would be equal to a new nuclear power station.

Households and businesses could use electricity more flexibly, using less during times of peak demand and more during times of low demand. Cutting down on use of electricity at peak times reduces the megawatt capacity needed.

The NAO also noted that the expected subsidy for Hinkley Point C has doubled to £37 billion in the past three years.

It is not just the economics of nuclear which now plague decision makers at Whitehall. As former Home Secretary and overseer of MI5, Theresa May approaches the nuclear question from a security perspective.

Security experts have expressed concern that the Chinese could use their role in the project to build weaknesses into computer systems allowing them to shut down Britain’s energy production at will.

Fears that China could engage in cyber-sabotage may have been overblown. The bomb of public subsidy running into billions is the real gremlin in the Hinkley Point contract.

A cross-party Commons Energy and Climate Change Committee fears that failure to build new nuclear capacity by 2025 would mean greater reliance on imported gas in the medium term. This would affect energy security and force a review of how UK carbon emission targets are to be met.

On the other hand, the committee identified risk factors which could jeopardise proposals like Hinkley Point C. Sudden policy changes by the UK government, an inconsistent approach, poor transparency and lack of long-term vision have created uncertainty for investors.

Delaying or cancelling the Hinkley Point project threatens Britain’s relations with China and France. Joel Kenrick, a former advisor to the Energy Secretary, believes that the contract for Hinkley Point C will go ahead come autumn. However, he expressed doubt over whether it would actually be built with EDF’s poor track record in delivering big projects.

Corporate finance leader at EY Global Power & Utilities and RECAI editor Ben Warren believes that the time has come for policymakers to shift their focus to clean energy. “Market access, fair play, technology improvements and cost curves will lead to a level of renewables deployment not even imagined,” says Mr Warren.

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