Guildford power station

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Guildford power station
Guildford power station
CountryEngland
LocationGuildford
Coordinates 51°14′46″N00°34′42″W / 51.24611°N 0.57833°W / 51.24611; -0.57833
StatusDecommissioned and demolished
Construction began1894, 1928 (Woodbridge Road)
Commission date November 1896, 1928 (Woodbridge Road)
Decommission date1967
Owner(s)Guildford Electricity Supply Company Limited (1894–1921), Guildford Corporation (1921–1948), British Electricity Authority (1948–55), Central Electricity Authority (1955–57), Central Electricity Generating Board (1958–66)
Operator(s)Guildford Electricity Supply Company Limited (1894–1921), Guildford Corporation (1921–1948), British Electricity Authority (1948–55), Central Electricity Authority (1955–57), Central Electricity Generating Board (1958–66)
Thermal power station
Primary fuelCoal
Turbine technologyReciprocating engines and steam turbines
Cooling sourceRiver water
Power generation
Units operational2 × 1,875 kW and 2 × 3,750 kW
Units decommissionedAll
Nameplate capacity 6 MW (1928) 11.25 MW (1954)
Annual net output 13,277 MWh (1946)
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Guildford power station supplied electricity to the town of Guildford and the surrounding area from 1896 to 1967. The power station was built and operated by the Guildford Electricity Supply Company Limited. In 1921 it was acquired by the Guildford Corporation which operated it until the nationalisation of the British electricity supply industry in 1948.

Contents

History

The Holloway Electricity Supply Company Limited was registered on 30 June 1892, it changed its name to the Guildford Electricity Supply Company Limited on 17 September 1894. [1] The company applied for a Provisional Order under the Electric Lighting Acts  to generate and supply electricity to the town of Guildford. An Order was granted by the Board of Trade and was confirmed by Parliament through the Electric Lighting Orders Confirmation (No. 4) Act 1894 (57 & 58 Vict. c. cxv). [2]

The power station was built adjacent to the River Wey and was commissioned in November 1896. The electricity plant comprised Willans engines coupled directly to Goolden dynamos. The Company charged 7d. and 4d./kWh with discounts and sold 15,291 kWh in 1898. [1]

In 1913 the Guildford Electricity Supply Company built a new power house near New Bridge. [3]

In 1921 the Guildford Electricity Supply Company was acquired by the Guildford Corporation. [4] In 1928 the Corporation built a new power station in Woodbridge Road (51°14'45.5"N 0°34'41.6"W) adjacent to the River Wey and the railway with an initial capacity of 6 MW, but which was capable of expansion to 42 MW. The initial stage of construction cost £140,000. [5]

The Central Electricity Board built the first stages of the National Grid between 1927 and 1933. Guildford power station were connected to the electricity grid. [6]

The British electricity supply industry was nationalised in 1948 under the provisions of the Electricity Act 1947 (10 & 11 Geo. 6 c. 54). [7] The Guildford electricity undertaking was abolished, ownership of Guildford power station were vested in the British Electricity Authority, and subsequently the Central Electricity Authority and the Central Electricity Generating Board (CEGB). At the same time the electricity distribution and sales responsibilities of the Guildford electricity undertaking were transferred to the South Eastern Electricity Board (SEEBOARD). [8]

Following nationalisation Guildford power station became part of the Guildford electricity supply district. [9]

Guilford power station was closed in 1967. [10]

Equipment specification

Plant in 1923

By 1923 the plant at Guildford comprised boilers delivering a total of 25,000 lb/h (3.15 kg/s) of steam to: [4]

There was also a 160 kW oil-fired engine generating DC

The total generating capacity was 1,060 kW. [4]

The following electricity supplies were available to consumers:

Plant in 1954

By 1954 the plant (originally installed in 1927–30) comprised: [9]

Total evaporative capacity 150,000 lb/h (18.9 kg/s), steam conditions were 295 psi and 750 °F (20.3 bar and 400 °C), steam was supplied to:

The total installed generating capacity was 11.25 MW.

Condenser water was abstracted from the river. [9]

Operations

Operating data 1921–23

The electricity supply data for the period 1921–23 was: [4]

Guildford power stations supply data 1921–23
Electricity UseUnitsYear
192119221923
Lighting and domesticMWh–323.481463.998
Public lightingMWh000
TractionMWh000
PowerMWh–274.129623.875
Bulk supplyMWh–––
Total useMWh–597.6101,087.873

Electricity Loads on the system were: [4]

Year192119221923
Maximum loadkW–740850
Total connectionskW–3,1903,600
Load factorPer cent––17.7

Revenue from the sale of current (in 1923) was £34,930; the surplus of revenue over expenses was £22,180. [4]

Operating data 1946

In 1946 Guildford power station supplied 13,277 MWh of electricity; the maximum output load was 11,540 kW. [11]

Operating data 1954–66

Operating data for the period 1954–6 was: [9] [12] [13]

Guildford power station operating data, 1954–66
YearRunning hours or (load as % of max capacity)Max output capacity MWElectricity supplied MWhThermal efficiency per cent
19541,228116,26213.42
19551,527119,16010.25
1956690114,14110.07
1957450112,66010.25
1958451112,64211.27
1961(1.9 %)111,87012.19
1962(1.8 %)111,71810.22
1963(6.11 %)115,88712.15
1965(9.4 %)119,09011.02
1966(9.6 %)119,29111.34

Guildford Electricity District

Following nationalisation in 1948 Guildford power station became part of the Guildford electricity supply district, covering 95 square miles (246 km2) with a population of 82,330 in 1958. The number of consumers and electricity sold in the Guildford district was: [9]

Year195619571958
Number of consumers27,14128,02928,832
Electricity sold MWh94,655101,032105,416

In 1958 the number of units sold to categories of consumers was: [9]

Type of consumerNo. of consumersElectricity sold MWh
Domestic25,29264,078
Commercial3,14722,159
Industrial18315,625
Farms2052,623
Traction––
Public lighting5931
Total28,832105,416

Redevelopment

The 1913 power station building was converted in 1997 to an arts venue called The Electric Theatre. [3]  

The power station in Woodbridge Road was demolished, the site is now occupied by a 132 kV electricity sub-station. [6]

See also

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<span class="mw-page-title-main">Salisbury power station</span>

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References

  1. 1 2 Garcke, Emile (1898). Manual of Electrical Undertakings 1898-99 vol. 3. London: P. S. King and Son. p. 194.
  2. ↑ "Local Acts 1894". legislation.gov.uk. Retrieved 31 December 2021.
  3. 1 2 "The Electric Theatre" . Retrieved 31 December 2021.
  4. 1 2 3 4 5 6 7 Electricity Commissioners (1925). Electricity Supply – 1920–23. London: HMSO. pp. 36–41, 278–83.
  5. ↑ "Guildford Electricity Supply". The Times. 31 May 1928. p. 11.
  6. 1 2 "Open Infrastructure Map". openinframap.org. Retrieved 31 December 2021.
  7. ↑ "Electricity Act 1947". legislation.gov.uk. Retrieved 31 December 2021.
  8. ↑ Electricity Council (1987). Electricity supply in the United Kingdom: a Chronology. London: Electricity Council. pp. 60–61. ISBN   085188105X.
  9. 1 2 3 4 5 6 Garrett, Frederick C., ed. (1959). Garcke's Manual of Electricity Supply vol. 56. London: Electrical Press. pp. A-59, A-122, B-169.
  10. ↑ The power station is listed in the CEGB Statistical Yearbook 1967 but not in the 1968 edition
  11. ↑ Electricity Commissioners (1947). Generation of Electricity in Great Britain year ended 31 December 1946. London: HMSO. p. 9.
  12. ↑ CEGB Annual Reports 1961, 1962, 1963
  13. ↑ CEGB Statistical Yearbook (CEGB 1966, 1967) page 9
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