Tag Archives: National Grid

National Grid’s Humber tunnel hits half way mark

Mary - the TBM specially built to tunnel under the Humber for National Grid

The project to construct a new gas pipeline underneath the river Humber has hit a major milestone as the tunnel boring machine (TBM) passes the halfway mark on its 5km journey.  

The new 3.5m diameter tunnel currently under construction will house a vital replacement gas pipeline which will carry around 20% of the gas Britain needs,…

National Grid moves 300t transformer units across Kent

Pastedimage

Two new 318t transformers have been transported to National Grid’s Sellindge substation from the Port of Dover in overnight operations involving a specialised dual-truck vehicle.

The two new transformers were delivered to the Port of Dover in early January, and have been successfully transported across Kent on a specialised dual-truck vehicle capable of…

Contract for Scotland’s oldest nuclear reactor awarded

Dounreayjm

The contract to dismantle Scotland’s oldest nuclear reactor has been awarded. 

The Dounreay Materials Test Reactor (DMTR) was the first operational nuclear reactor in the country, achieving criticality in 1958, and will be decommissioned by Cavendish Nuclear and its partners.   The three-year contract has now been awarded to Cavendish Nuclear and its partners, local firm JGC…

Siemens wins contract for largest offshore wind connection

Wind 3x2

Siemens has been contracted to construct three offshore transformer modules and a new onshore substation to connect the 950MW Moray East windfarm in Scotland to the national grid.  

Siemens has been awarded the contract to construct the infrastructure to connect the new Moray East offshore wind farm to the mainland.   The 295km2 wind farm will sit 22km off…

Wylfa nuclear plant in doubt as costs soar

Wylfa aerial cgi 3 by 2

Fears are mounting that Hitachi could pull out of the Wylfa Newydd Nuclear plant because concerns about rising construction costs.

Japanese TV station TV Asahi has reported that Hitachi could withdraw from the 2.9GW £20bn Wylfa Newydd nuclear power plant on Anglesey, as it struggles to secure capital investment.  Report projections of further increases in construction costs have led…

Digitisation of grid ‘needed before electric vehicle surge’

London power tunnels phase 1 3to2

Digitisation of the national grid is vital as the UK gears up for an electric vehicle switch over, MP James Heappey has warned.

Heappey, a former member of the energy and climate change select committee, warned that similar problems to those encountered during the UK’s initial broadband roll-out will be repeated…

Wales-Ireland electricity connector given green light

3115003 cable cropped

An electricity interconnector between Wales and Ireland has been given the go-ahead by Ireland’s electricity regulator. 

The Commission for the Regulation of Utilities (CRU) has announced that the proposed Greenlink Interconnector is in the public interest and should be supported by a new regulatory regime.  The Greenlink Interconnector is a new 500MW underground and submarine interconnector between Wales and Ireland.   …

Marine works begin on £350M Ireland-Wales electricity connector

Marine Geoscience Data

Marine survey works have begun on a £352M electricity interconnector scheme between Wales and Ireland.

Specialist survey firm MMT has started work after client Greenlink Interconnector awarded the contract.    The Greenlink Interconnector is a new 500MW underground and submarine interconnector between Wales and Ireland.   Two electricity cables and one fibre optic cable will link the…