1895 |
| M/S. Boustead Borthers, a private company brought diesel generators from England and supplied electricity to few mercantile firms in Fort Colombo. |
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1901 |
| Geological survey by Mr. DJ Wimalasurendra, Junior Engineer attached to the Department of public works and a Foreigner, another private firm (United Planters) formed to distribute Electricity. |
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| 1905 |
| Kandy Municipal area lighted by Kandy Lighting company, (a Subsidiary of Colombo Gas & Water Co.) |
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| 1912 |
| First hydro electrical scheme in Nuwara Eliya designed and entrusted to Mr. DJ Wimalasurendra. ( It took 9 year due to lack of support from his superiors). A model hydropower electricity scheme was designed by Mr. Wimalasurendra utilizing Aberdeen-Laxapana Falls & by damming the Kehelgamu Oya. |
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| 1926 |
| A separate department for Electricity was formed under a Deputy Director of P.W.D / ( 01-10-1926). |
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| 1928 |
| To meet expanding demand, colonial government decide to set up a Thermal power Station. (Steam generating power station named after the Governor Sri Herbert Stanley who declared open on 5th March) |
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| 1931 |
| A booklet on safety published. |
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| 1935 |
A two –tier tariff system introduced.
Under the Electricity Board ordinance No.35 of 1935, the Electricity Board of Ceylon was established. |
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| 1937 |
The Board that commenced functioning from 01st, 1936 was dissolved in May 1937 by the Electricity Board of Ceylon (Dissolution) ordinance No. 10 of 1937. And all responsibilities, functions, commitments etc; of the Board transferred to its former department by renaming as the Department of Government Electrical Undertakings. ( DGEU) |
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| 1946 |
| The diesel generator plant commissioned at Wellawatta under the admiralty vested in DGEU Decentralization of DGEU ( Norton Bridge, Nuwara Eliya, Diyatalawa, Panadura, Negombo, Avissawella,Peradeniya). |
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| 1950 |
| DGEU set up the Jaffna Electricity Scheme. Surplus of KKS Cement Factory Diesel plant brought by the Department & distributed to the public. |
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| 1953 |
| Second Stage of Laxapana Hydro Electricity scheme commenced. |
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| 1954 |
| Commissioning of inginiyagala Power Station |
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| 1968 |
| Uda Walawe Power Station commissioned. |
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