South Humber Bank

South Humber

South Humber Bank is a 1260MW power station. Over 70 staff are employed on site by Centrica Energy Operations Limited.

The power station was constructed in two phases. Phase 1 construction was completed in 1997. Phase 2 entered commercial operation in January 1999.

From May 2001 the power station was run through a joint venture, Humber Power Ltd (HPL), between Centrica (60%) and Total (40%). Under the arrangements, Centrica provided gas and took the electrical output for Phase 1 and Total provided gas and took the electrical output from Phase 2.

In September 2005 we increased our interest in HPL from 60% to 100% in a deal worth an equivalent price of £150m, comprising a cash payment to Total and assumption of the full operating lease payments.

Under Centrica ownership, both phases of the plant have operated in a variety of modes, ranging from cycling (starting up and shutting down each day) to base load running (all three gas turbines running 24 hours per day).

Technical specifications

PPC

Location

South Marsh Road, Stallingborough, Northeast Lincolnshire. DN41 8BZ

Fuel

The station burns gas.

Running Regime

South Humber Bank has reasonably efficient gas turbines and can operate flexibly or at baseload depending on what market prices dictate. It is common for one phase to be running baseload and the other to be operating at baseload.

Total amount of electricity generated in 2006

5,945 GWh

Air emissions

Pollutant 2006 Total Emissions
Nitrogen oxides 20.4 tonnes
Sulphur hexafluoride < 10 kg
Methane 10 tonnes
Carbon dioxide 2,303,221 tonnes

Water Management

Cooling water is drawn from, and returned to, the River Humber under a license granted by the Environment Agency. A small amount of mains water is used on site for domestic purposes. Industrial water is also supplied to provide make-up water to process via a demineralisation plant. The site has two small sewage treatment plants to treat domestic waste prior to return to the River Humber. However, since 2000, these plants have been regularly emptied by tanker and recycled.