Haverfordwest power station

Haverfordwest power station
Haverfordwest power station
Country	Wales
Location	Haverfordwest
Coordinates	51°47′46″N04°58′29″W / 51.79611°N 4.97472°W Coordinates: 51°47′46″N04°58′29″W / 51.79611°N 4.97472°W
Status	Decommissioned
Commission date	1931
Decommission date	Late 1960s
Owner(s)	West Cambrian Power Company Limited; (1931–1948); British Electricity Authority ; (1948–1955); Central Electricity Authority ; (1955–1957); Central Electricity Generating Board ; (1958–1970)
Operator(s)	As owner
Thermal power station
Primary fuel	Fuel oil
Power generation
Units operational	Eight diesel engines
Make and model	see text
Nameplate capacity	8 MW
Annual net output	13.83 GWh (1954)
	[ edit on Wikidata]

Last updated October 05, 2022

Haverfordwest power station supplied electricity to the town of Haverfordwest, Wales and the surrounding area from 1931 to the late 1960s. It was initially owned and operated by the West Cambrian Power Company Limited, then by the British Electricity Authority following nationalisation in 1948. It comprised diesel engines driving electricity alternators.

History

Haverfordwest power station was commissioned in 1931 and further generating plant was added up to 1954.^[1] The power station was owned and operated by the West Cambrian Power Company Limited which also owned the power stations at Lampeter, Llandysul and St. Clears.^[2] The British electricity supply industry was nationalised in 1948, and the power company was abolished and ownership of Haverfordwest power station was vested in the British Electricity Authority. The power station was decommissioned in the late 1960s.^[3]

Plant

The station finally comprised eight diesel engines driving alternators. The engines were by the following manufacturers:^[1]

3 × Fraser & Chalmers
2 × Atlas
1 × BPE
2 × Crosley

Six of the alternators were by GEC and two were Brush, the range of generating capacities were:^[1]

2 × 1.2 MW
2 × 1 MW
1 × 1.05 MW
1 × 0.575 MW
2 × 1.2 MW

All the alternators generated current at 11 kV.

Operations

Operating data for the period 1946–67 was:^[1]^[4]

Haverfordwest power station operating data, 1946–67
Year	Running hours or load factor (per cent)	Max output capacity kW	Electricity supplied MWh	Thermal efficiency per cent
1946	(32.5 %)	4,120	4558	28.38
1954	5249	6,025	13,832	43.7
1955	3546	8,465	9,891	33.0
1956	1271	8,465	5,557	51.6
1957	784	8,465	3,128	47.11
1958	671	8,465	3,060	53.9
1961	(10.6 %)	8,000	7,399	27.52
1962	(3.8 %)	8,000	2,659	32.16
1963	(10.59 %)	7,000	7,423	31.00
1967	(28.2 %)	7,000	17,290	30.94

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References

1 2 3 4 Garrett, Frederick (1959). Garcke's Manual of Electricity Supply vol. 56. London: Electrical Press. pp. A-62, A-142.
↑ Electricity Commissioners (1947). Generation of Electricity in Great Britain year ended 31 December 1946. London: HMSO. p. 15.
↑ Haverfordwest is mentioned in the CEGB Statistical Yearbook for 1967 but not in the 1972 edition
↑ CEGB Annual report and Accounts, 1961, 1962 & 1963

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[:0-1] 1 2 3 4 Garrett, Frederick (1959). Garcke's Manual of Electricity Supply vol. 56. London: Electrical Press. pp. A-62, A-142.

[2] Electricity Commissioners (1947). Generation of Electricity in Great Britain year ended 31 December 1946. London: HMSO. p. 15.

[3] Haverfordwest is mentioned in the CEGB Statistical Yearbook for 1967 but not in the 1972 edition

[4] CEGB Annual report and Accounts, 1961, 1962 & 1963

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