Derby power station

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Derby power station
Derby Power Station, 1957.jpg
Derby Power Station in 1957
Derby power station
CountryUnited Kingdom
Location Derby, Derbyshire
Coordinates 52°55′33″N01°28′35″W / 52.92583°N 1.47639°W / 52.92583; -1.47639 Coordinates: 52°55′33″N01°28′35″W / 52.92583°N 1.47639°W / 52.92583; -1.47639
StatusDecommissioned and demolished
Construction began1892
Commission date 10 October 1893
Decommission date1969
Owner(s)Derby Corporation
(1892–1948)
British Electricity Authority
(1948–1955)
Central Electricity Authority
(1955–1957)
Central Electricity Generating Board
(1958–1972)
Operator(s)As owner
Thermal power station
Primary fuelCoal
Turbine technologySteam driven reciprocating engines and steam turbo-alternators
Chimneys4
Cooling sourceRiver water
Annual revenue£67,691 (1923)
Power generation
Units operational1 × 30 MW, 1 × 20 MW, 1 × 10 MW, 1 × 0.5 MW (1950s)
Make and modelParsons
Units decommissionedAll
Nameplate capacity 65.5 MW (1950s)
Annual net output 219.7 GWh (1955)
[ edit on Wikidata]

Derby power station supplied electricity to the town of Derby and the surrounding area from 1893 to 1969. The power station was built and operated by Derby Corporation and started generating electricity in October 1893. It was located in Silkmill Lane in the town centre adjacent to the River Derwent from which it drew its cooling water. The power station was extended in the 1920s and 1940s. It was closed in 1969 and was subsequently demolished.

Contents

History

In 1890 Derby Corporation applied for a Provisional Order to generate and supply electricity to the town of Derby, Derbyshire. This was granted by the Board of Trade and was confirmed by Parliament by the Electric Lighting Orders (No. 5) Act 1890 (54 & 55 Vict. c. cxc). [1] [2] The Corporation electricity undertaking constructed a power station on a triangular site (52°55'32.6"N 1°28'35.4"W) bounded by Sowter Road, Silkmill Lane and the River Derwent. [3] It had an initial generating capacity of 572 kW. [4] The generating equipment comprised steam driven Browett Lindley engines coupled directly to Siemens dynamos. The supply of electricity commenced on 10 October 1893. [4] In the year ending March 1898 the station sold a total of 350.33 MWh powering 20,418 lamps (each of 8 candle-power). The maximum load on the system was 336 kW, and there was 317 consumers. [4]

Traction current was supplied to the municipal tram system from 1904. [5]

During the First World War British Cellulose refused to take an electricity supply from Derby power station because they were generating electricity on a larger scale and more cheaply than the municipal supply. [6]

New boiler house 1921

A new boiler house was commissioned in 1921, at a cost of £120,000. [7]

Specification

By 1923 the steam plant at the station had a capacity of 260,000 lb/h (32.8 kg/s) and supplied steam to: [8]

These provided a total generating capacity of 2,250 kW.

The station supplied a range of electrical current: [8]

Operations

In 1923 the maximum load on the system was 10,138 kW, and there was a connected load of 28,572 kW. The power was sold for the following uses: [8]

Derby power station electricity sold 1921 to 1923
UserUsage MWh
192119221923
Lighting and domestic2267.982425.112818.38
Public lighting204.30175.18200.25
Traction1709.291679.771714.70
Power15,254.4211,598.2914,402.05
Total19,435.9915,878.3519,135.38

The sale of electricity provided an income to the Corporation of £39,691 in 1923. The surplus of revenue over expenses for generating electricity was £67,509. [8]

New extensions to the plant were built in the late 1920s. [9] The official opening of the extended site on the south side of Silkmill Lane took place on 28 March 1930. [10]

Derby power station and electricity policy

Under the terms of the Electricity (Supply) Act 1926 (16-17 Geo. 5 c. 51) [11] the Central Electricity Board (CEB) was established. [12] The CEB identified high efficiency ‘selected’ power station that would supply electricity most effectively; Derby was designated a selected station. The CEB also constructed the national grid (1927–33) to connect power stations within a region. [12]

It was noted in the inter-war period that all the streets in many prosperous Southern towns and in some Northern towns such as Birkenhead, Derby and Hull had been wired for electricity. [6]

Upon nationalisation of the British electricity supply industry in 1948 under the provisions of the Electricity Act 1947 (10-11 Geo. 6 c. 54) [13] the Derby electricity undertaking was abolished, ownership of Derby power station was vested in the British Electricity Authority, and subsequently the Central Electricity Authority and the Central Electricity Generating Board (CEGB). [12] At the same time the electricity distribution and sales responsibilities of the Derby electricity undertaking were transferred to the East Midlands Electricity Board (EMEB). [13]

Nationalised power station

Specification

The plant installed by the mid-1950s comprised: [14]

These boilers had a total steam evaporative capacity of 695,000 lb/h (87.6 kg/s). The boilers fed the following generating plant: [14]

These machines had a total generating capacity of 65.5 MW. [14]

Operations

Incident

An engineer was killed at the power station in November 1951. An inquest found that an error of judgement by engineers undertaking an electricity switching operation caused an explosion which killed a shift engineer. The accident could have been prevented by a transformer switch but this could not be delivered for two years. [15]

Operating details of the station over the period 1946–63 were as follows: [14] [16] [17] [18] [19]

Derby power station operations 1946–63
YearRunning hours (or load factor %)Output capacity MWElectricity supplied GWhThermal efficiency %
1946(46.4 %)230.921.87
1954611262201.0021.01
1955658462219.6621.03
1956612062218.2220.87
1957600662189.5220.32
1958519962178.6420.78
196125.3 %56130.8119.35
196231.9 %56156.3919.92
196330.35 %39148.8819.87
19679.4 %4738.917.80

The output capacity data demonstrates how machinery was gradually decommissioned.

Closure

The oldest part of Derby power station, north of Silkmill Lane, closed in 1963 and was demolished. [10] The original site retains a connection with electricity as the location of the operational 132 kV Silk Mill substation. The remainder of the station, south of Silkmill Lane, operated until 1969 when it closed. [7] The plant, including the four chimneys, was demolished over the period November 1971 to February 1972. [10]

Railway power station

In addition to the statutory public-supply Derby power station, the Midland Railway constructed electricity generating stations to meet its own demand for electricity.

The first private supply power station was built in Calvert Street in 1893. It supplied electricity to the station offices, the locomotive works offices, and the Midland Hotel. [20] In 1910 it was replaced by a new power station built across the Derby canal at the rear of the locomotive works. [20] This power station was still operating in 1946 when it supplied 19,675 MWh from steam generation and 756 MWh from a waste heat system. [19] The power station had closed by 1957. [21]

See also

Related Research Articles

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Leicester power station

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Portsmouth power station supplied electricity to the town of Portmouth and the surrounding area from 1894 to until 1977. The power station was built and operated by Portsmouth Corporation and started supplying electricity on 6 June 1894. It was located in St Mary Street and was redeveloped several times: including major rebuilds in 1927–29 and in 1938–1952, and expanded into a larger plot. The power station was closed in 1977; the two chimneys were demolished in 1981 and the main buildings in 1982.

Bath power station supplied electricity to the City of Bath and the wider area from 1890. The station was originally built and operated by the City of Bath Electric Lighting and Engineering Company Limited. The power station was on a site in Dorchester Street adjacent to the Old Bridge over the River Avon. The City of Bath Corporation assumed ownership in 1897. The power station was redeveloped several times: including a major rebuilding with new equipment in the 1920s. The station was closed in the late 1960s and was subsequently demolished.

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Greenhill power station supplied electricity to the town of Oldham, England and the surrounding area from 1921 to 1960. It replaced the older Rhodes Bank generating station and was superseded by Chadderton B power station. Greenhill power station was owned and operated by Oldham Corporation until the nationalisation of the British electricity supply industry in 1948. The power station was built over the period 1921–24 and was decommissioned in 1960.

Woking power station supplied electricity to the Borough of Woking and the surrounding area from 1890 to 1960. The power station was operated by the Woking Electric Supply Company Limited until the nationalisation of the British electricity industry in 1948. It was redeveloped after the First World War to meet the increased demand for electricity.

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References

  1. ↑ "Local Acts 1890". legislation.co.uk. Retrieved 3 August 2020.
  2. ↑ "Derby power station and Silk Mill 1890s". pinterest. Retrieved 3 August 2020.
  3. ↑ Ordnance Survey, 25 inch map Derbyshire L.9 (Chaddesden; Derby) Revised: 1899, published: 1901.
  4. 1 2 3 Garcke, Emile, ed. (1898). Manual of electrical undertakings 1898–99. London: P. S. King and Son. pp. 166–168.
  5. ↑ "Electric Trams in Derby". photo-sleuth. 14 May 2009. Retrieved 3 August 2020.
  6. 1 2 Hannah, Leslie (1979). Electricity before Nationalisation. London: Macmillan. pp. 174, 210. ISBN   0333220862.
  7. 1 2 "Derby Power Station and Old Silk Mill Pub". Europeana. Retrieved 3 August 2020.
  8. 1 2 3 4 Electricity Commissioners (1925). Electricity Supply – 1920–23. London: HMSO. pp. 26–29, 272–277.
  9. ↑ "Derby power station, Derby". picture the past. 1940. Retrieved 3 August 2020.
  10. 1 2 3 "Aerial view of Derby from cathedral tower dominated by power station in 1960s". Derby Telegraph. 1963. Retrieved 3 August 2020.
  11. ↑ "Electricity (Supply) Act 1926". legislation.gov.uk. Retrieved 3 August 2020.
  12. 1 2 3 Electricity Council (1987). Electricity supply in the United Kingdom: a Chronology. London: Electricity Council Electricity supply in the United Kingdom: a Chronology. pp. 45, 60. ISBN   085188105X.
  13. 1 2 "Electricity Act 1947". legislation.gov.uk. Retrieved 3 August 2020.
  14. 1 2 3 4 Garrett, Frederick C., ed. (1959). Garcke's Manual of Electricity Supply 1958-9 vol. 56. London: Electrical Press. pp. A-50, A-119.
  15. ↑ "'Two years to wait for equipment'". The Times. 11 December 1951. p. 2.
  16. ↑ Central Electricity Generating Board, Annual Report and Accounts 1961, London, CEGB
  17. ↑ Central Electricity Generating Board, Annual Report and Accounts 1962, London, CEGB
  18. ↑ Central Electricity Generating Board, Annual Report and Accounts 1963, London, CEGB
  19. 1 2 Electricity Commission, Generation of Electricity in Great Britain year ended 31st December 1946. London: HMSO, 1947.
  20. 1 2 Lowe, J. W. (1989). British Steam Locomotive Builders. Guild Publishing.
  21. ↑ Electrical Journal (1957). Electricity Undertakings of the World 1957-8. London: Benn Brothers.
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