Foss Island Power Station

Foss Island Power Station, also known as York Power Station, was a small 40 MW coal-fired power station serving the city of York.[1]

Foss Island Power Station
CountryEngland
LocationNorth Yorkshire, Yorkshire and the Humber
Coordinates53.960°N 1.068°W / 53.960; -1.068
Commission date1900
Decommission date1976
Owner(s)York Corporation
(1900–1948)
British Electricity Authority
(1948–1955)
Central Electricity Authority
(1955–1957)
Central Electricity Generating Board
(1958–1976)
Operator(s)As owner
Thermal power station
Primary fuelCoal
Turbine technologySteam turbine
Chimneys1
Cooling towers1
Cooling sourceRiver water and Cooling Tower
Power generation
Units operational40 MW
Units decommissionedAll
Nameplate capacity40 MW
Annual net output54.77 GWh (1971–2)

It was located in the Layerthorpe area of the city,[2] to the east of the city centre.

It was built by York Corporation in the 1890s, opened in February 1900[3] and closed on 25 October 1976.[4]

History

In 1923 the station was supplying 3-phase AC at 400 and 230 V; DC at 460 and 230 V; and DC for traction at 500 V.[5] The steam turbine driven AC generators comprised two 1,250 kW and two 3,500 kW machines. DC current was produced by two 500 kW oil-driven machines. Electricity supplies were supplemented by a water powered generating station near Linton-on-Ouse (Linton Lock Hydro), which was commissioned in 1923 and comprised a 250 kW and a 500 kW generator. In 1923 the facilities at York generated 15.128 GWh of electricity. The sales of electricity produced a surplus of revenue over expenses of £26,938 for the Corporation.[5]

The steam plant at Foss Island were chain grate stoker boilers capable of delivering 400,000 lb/h (50.4 kg/s) of steam at 400 psi (27.6 bar) and 399/427°C.[6] The generating capacity of the station was 40 MW. Steam condensing and cooling was by river water and a single concrete cooling tower. In the year ending 31 March 1972 the station delivered 54.772 GWh of electricity, its load factor (the average load as a percent of maximum output capacity) was 16.4 percent.[6]

The electricity output from the station, in GWh, was as follows.[7][8][9]

In 1958 the York electricity district supplied an area of 166,179 acres and a population of 152,269. The amount of electricity sold and the number and types of consumers was as follows: [7]

Year Electricity sold, MWh No. of consumers
1956 187,527 50,114
1957 197,137 51,362
1958 210,417 52,675

In 1958 the above totals were made up of the following:[7]

Type of Consumer No. of consumers Electricity sold, MWh
Residential 46,254 87,671
Shops, offices, etc. 4,895 36,276
Factories 256 76,195
Farms 1,238 7,025
Public lighting 32 3,250
Total 52,675 10,417

The buildings were demolished around 1980 and the transmission line which ran from the power station to a substation at Tang Hall Lane was dismantled at around the same time.

References
  1. Jackson, Jeffrey (10 August 1961). "Why Boliers Corrode". New Scientist. No. 247. p. 334. Retrieved 17 January 2016.
  2. "The Derwent Valley Railway". www.irsociety.co.uk. Retrieved 17 January 2016.
  3. "Public services British History Online". www.british-history.ac.uk. Retrieved 17 January 2016.
  4. "Coal-fired Power Stations (Hansard, 16 January 1984)". hansard.millbanksystems.com. Retrieved 17 January 2016.
  5. Electricity Commissioners (1925). Electricity Supply - 1920-1923. London: HMSO. pp. 106–09, 332–37.
  6. CEGB (1972). CEGB Statistical Yearbook 1972. London: CEGB. p. 15.
  7. Garrett, Frederick C. (ed) (1959). Garcke's Manual of electricity supply vol. 56. London: Electrical Press. pp. A-110, A-139, B-261-262.CS1 maint: extra text: authors list (link)
  8. CEGB Annual report and Accounts, 1961, 1962 & 1963
  9. Electricity Commission, Generation of Electricity in Great Britain year ended 31st December 1946. London: HMSO, 1947.


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