South Humber Bank Power Station

South Humber Bank Power Station

South Humber Bank Power Station
Viewed from the west in August 2007
Location of South Humber Bank Power Station in Lincolnshire
Official name South Humber Bank Power Station
Country England
Location South Marsh Road, Stallingborough, North East Lincolnshire, DN41 8BZ
Coordinates 53°36′11″N 0°08′46″W / 53.603°N 0.146°W / 53.603; -0.146Coordinates: 53°36′11″N 0°08′46″W / 53.603°N 0.146°W / 53.603; -0.146
Construction began September 1994
Commission date September 1997
Operator(s) Centrica SHB Ltd (for Centrica)
Thermal power station
Primary fuel Natural gas-fired
Combined cycle? Yes
Power generation
Nameplate capacity 1266 MW
Website
Centrica SHB

South Humber Bank Power Station is a 1365 MW gas-fired power station on South Marsh Road at Stallingborough in North East Lincolnshire north of Healing and the A180 near the South Marsh Road Industrial Estate.

It is owned by Centrica Energy, being run as Centrica SHB Ltd. The generation manager is Paul Dalton. It is around two miles east of Immingham, and employs 64 people. Centrica owns the most CCGT power stations (eight) in the UK, and South Humber Bank is its largest CCGT station. It is the only power station in North East Lincolnshire. The site of SHBPS is around 500 metres by 400 metres in area (around 54 acres). It is next door to the Synthomer plant.[1]

History

The site was chosen by Dalton Warner Davis, the Chartered Surveyors.[2]

Construction started in September 1994. Phase 1 was completed in April 1997 with 750 MW of power, and entered commercial service in September 1997. Phase 2 was started in November 1996 and was completed in January 1999, adding 510 MW.[3] The plant was built by Switzerland's ABB.

Ownership

It was initially run by IVO Generation Services, a company owned by Finland's Fortum (Imatran Voima Oy). The site was owned by the consortium Humber Power Ltd, which was owned by Midland Power, ABB Energy Ventures, Tomen Group, Fortum Group, British Energy and TotalFinaElf. Humber Power Ltd was formed in 1991.

On 29 May 2001, Centrica (as GB Gas Holdings Ltd) bought 60% of the power station, and with 40% owned by Chanter Petroleum (part of TOTAL Midstream Holdings UK Ltd) from Humber Power Ltd.[4] The entire site was then run by Centrica, under the name South Humber Power Ltd.

In September 2005, the station was bought[5] (100%) by Centrica, costing £150m (£46.5 million in cash). Centrica also run Glanford Brigg Power Station and Killingholme A power station.

Specification

Cooling water is drawn from the River Humber. It is a CCGT type power station using natural gas.

Phase 1 consists of three 166 MW gas turbines with three heat recovery steam generators. It was designed and built by a consortium of Cockerill Maintenance & Ingénierie (CMI) and International Combustion, and 255 MW steam turbine.

Phase 2 consists of two 169 MW gas turbines, two heat recovery steam generators and a 171 MW steam turbine. It is similar to two CCGTs next-door to each other.

The gas turbines used are ABB Alstom GT 13E2 engines which normally produce 165 MW each. Each gas turbine has 72 EV (conical pre-mix) burners. Exhaust gas leaves each turbine at 540C. The engines spin at 3000rpm.[6] The gas turbines are each connected to an ABB WY21 TEWAC turbo generator.

Exhaust gas from each gas turbine passes through an individual CMI heat recovery steam generator (HRSG). For Phase 1 the steam passes through an ABB steam turbine connected to an ABB 50WT hydrogen-cooled turbogenerator. For Phase 2 the steam passes through an ABB steam turbine connected to an ABB WY21 TEWAC (air-water-cooled) turbogenerator. The Phase 1 generator is larger than Phase 2 so needs to be cooled by hydrogen gas.

View in October 2005

The terminal voltage of the generators is 15.75 kV. Electricity enters the National Grid via a transformer at 400 kV connected to a single pylon line. The engines can generate electricity for base load or for peak load operations. Performance of the power plant is dependent on local air temperature and humidity. It has a nominal thermal efficiency of 55%, but usually produces 51%.

In 2009 it produced 8,512 GWh of electricity.[7]

References

  1. ↑ Synthomer Archived 16 July 2011 at the Wayback Machine.
  2. ↑ Dalton Warner Davis
  3. ↑ ABB receives US$ 270-million power plant extension order in the U.K.
  4. ↑ Centrica and TotalFinaElf’s completed acquisition of Humber Power Limited (PDF), OFGEM, 19 June 2001
  5. ↑ http://www.total.com/en/press/press_releases/pr_2005/050920_south_humber_power_plant_7929.htm Archived 6 July 2008 at the Wayback Machine.
  6. ↑ South Humber Bank Power Station PPC Permit Application Application Reference No MP3235LY (PDF), Centrica
  7. ↑ South Humber Bank (PDF), Centrica
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