French energy group EDF has delayed a decision on investment for the proposed $24.5bn Hinkley Point C nuclear power station in Somerset, the UK.

Reuters cited EDF chief executive Jean-Bernard Levy as saying that negotiations are underway between the UK government and EDF’s partners, including CGN, CNNC and nuclear group Areva and a decision is expected soon.

The agreement was initially planned to be signed in March 2014, reported BBC News.

Levy said: "We are in the final phase of negotiations, but that phase can take a considerable amount of time, depending on the number of problems left to resolve."

Meanwhile, non-nuclear country Austria planned to sue the European Commission (EC) over its 2014 decision to approve the £17.6bn subsidy deal between the UK government and EDF for the Hinkley Point C nuclear power plant.

Under the terms of the deal, EDF Energy and project partners will be guaranteed a price of £92.50 ($151.25), representing double the current market price of electricity, over a period of 35 years.

Expected to supply approximately 7% of the UK’s electricity needs, the Hinkley Point C will employ 25,000 people during construction.

The project is expected to avoid around 9 million tons of CO2 emissions annually and likely to employ around 900 people during its 60 years of operation.