Stafford power station

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Stafford power station
Stafford power station
Country England
Location Stafford
Coordinates 52°48′31″N02°07′18″W / 52.80861°N 2.12167°W / 52.80861; -2.12167
StatusDecommissioned and demolished
Construction began1891
Commission date 1895
Decommission date1958
Owner(s)Stafford Corporation
(1894–1948)
British Electricity Authority
(1948–1955)
Central Electricity Authority
(1955–1957)
Central Electricity Generating Board
(1958)
Operator(s)By owner
Thermal power station
Primary fuelCoal
Turbine technologySteam driven reciprocating engines and steam turbines
Cooling towersNone
Cooling sourceRiver water
Power generation
Units operational2 x 3.0 MW
Make and modelEnglish Electric 3.0 MW
Units decommissionedAll
Nameplate capacity 6.0 MW
Annual net output 5,035 MWh (1946)
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Stafford power station supplied electricity to the town of Stafford, England and the surrounding area from 1895 to 1958. It was initially owned and operated by Stafford Corporation, then by the North West Midlands Joint Electricity Authority prior to the nationalisation of the British electricity supply industry in 1948. The power station was redeveloped in the 1920s, but after 1935 it was a standby plant used at times of peak demand. Stafford power station was decommissioned in 1958.

Contents

History

In 1890 Stafford Corporation applied for a provisional order under the Electric Lighting Acts to generate and supply electricity to the town. This was granted by the Board of Trade and was confirmed by Parliament through the Electric Lighting Orders Confirmation (No. 8) Act 1890 (54 & 55 Vict. c. cxciii). [1] The power station was built north of the corporation gas works near the River Sow (52°48'31"N 2°07'18"W) [2] and first supplied electricity on 15 October 1895. [3]

Stafford power station was bought by the North West Midlands Joint Electricity Authority in April 1930, and was operated under the direction of the Central Electricity Board from 1 April 1934. From 1935 it was used as a standby station. [4]

Equipment specification

The original plant at Stafford power station comprised Marshall compound engines coupled by ropes to Elwell-Parker dynamos. In 1898 the generating capacity was 198 kW and the maximum load was 80 kW, there were 6,200 lamps on the circuits. [3]

Plant 1923

By 1923 the generating plant comprised: [5]

These machines gave a total generating capacity of 2,600 kW of alternating current and 1,370 kW of direct current. [5]

A variety of electricity supplies were available to consumers:

New plant 1925 & 1927

New plant was commissioned in 1925 and 1927. [6]

The total evaporative capacity of the boilers was 107,000 lb/hr (13.5 kg/s).

Steam conditions were 180 psi and 525 °F (12.4 bar, 274 °C), and 200 psi at 550 & 590 °F (13.8 bar at 288 & 310 °C) , steam was supplied to:

Condenser cooling water was drawn from the River Sow. [6]

Operations

Operating data 1898

In 1898 82,172 kWh was sold to 90 consumers, plus 41,729 kWh for public lamps. [3]

Operating data 1921–23

The operating data for the period 1921–23 is shown in the table: [5]

Stafford power station operating data 1921–23
Electricity UseUnitsYear
192119221923
Lighting and domestic useMWh221254339
Public lighting useMWh151522
TractionMWh000
Power useMWh155713192716
Total useMWh179315883077
Load and connected load
Maximum loadkW80612002200
Total connectionskW200048005400
Load factorPer cent31.919.119.0
Financial
Revenue from sales of current£–19,11326,186
Surplus of revenue over expenses£–5,52114,375

Operating data 1934–36

Under the terms of the Electricity (Supply) Act 1926 (16 & 17 Geo. 5 c. 51) [7] the Central Electricity Board (CEB) was established in 1926. [8] The CEB identified high efficiency ‘selected’ power stations that would supply electricity most effectively. Stafford power station was operated under the direction of the CEB from 1934. The CEB also constructed the national grid (1927–33) to connect power stations within a region. [8] The operating data for 1934-36 was: [4]

Stafford power station operating data 1934–36
Operating data1934–351935–36
Plant capacity kW9,1009,100
Maximum demand kW2,5005,550
Load factor %5.670.67
Units generated kWh2,507,108328,089
Units imported kWh12,71715,468
Units exported kWh17,441245

Operating data 1946

In 1946 Stafford power station sent out 5,035 MWh of electricity, the maximum load was 7432 kW. [9]

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

Operating data 1947–58

Operating data for the period 1947–58 is shown in the table: [6]

Stafford power station operating data, 1947–58
YearRunning hoursMax output capacity  MWElectricity supplied GWhThermal efficiency per cent
19477.67.6099.84
1948204965.8999.00
1950162161.7717.93
195494263.1918.19
1955135764.2648.93
195695362.8358.42
195728960.8156.46
1958436––

Closure

Stafford power station was decommissioned in 1958. [6] The buildings were demolished and the area has been redeveloped with commercial facilities.

See also

Related Research Articles

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

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References

  1. ↑ "Local Acts 1890". legislation.gov.uk. Retrieved 16 October 2020.
  2. ↑ Ordnance Survey 25 inch England, Staffordshire XXXVII.11 (Hopton And Coton; Stafford), revised 1900, published 1901
  3. 1 2 3 Garcke, Emile (1898). Manual of Electrical Undertakings 1898-99 vol. 3. London: P. S. King and Son. p. 319.
  4. 1 2 Electricity Commissioners (1936). Electricity Commissioners, Sixteenth Annual Report, 1936. London: HMSO. p. 143.
  5. 1 2 3 4 Electricity Commissioners (1925). Electricity Supply – 1920–23. London: HMSO. pp. 86–89, 314–319.
  6. 1 2 3 4 Garrett, Frederick (1959). Garcke's Manual of Electricity Supply vol. 56. London: Electrical Press. pp. A-95 A-134 B-234.
  7. ↑ "Electricity (Supply) Act 1926". legislation.gov.uk. Retrieved 16 October 2020.
  8. 1 2 3 Electricity Council (1987). Electricity supply in the United Kingdom: a Chronology. London: Electricity Council. pp. 45, 60, 69, 73. ISBN   085188105X.
  9. ↑ Electricity Commissioners (1947). Generation of Electricity in Great Britain year ended 31 December 1946. London: HMSO. p. 12.
  10. ↑ "Electricity Act 1947". legislation.gov.uk. Retrieved 16 October 2020.
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