The following information was gathered from the company's website on March 7, 2012:
1892: Electricity first came to Jamaica in late 1892, with the establishment of the Jamaica Electric Light Company.
1897: Jamaica Electric Light Company’s holdings were acquired by the Jamaica Electric Light and Power Company in 1897.
1897: Another electric utility emerged, under the name West India Electric Company.
1907: The Jamaica Electric Light and Power Company sustained extensive damage during an earthquake, and due to financial problems, a new company was formed, under the name Jamaica Light and Power Company Ltd. (Canada).
1907: The Jamaica Light & Power Company Ltd. (Canada) leased its licences and property to the West India Electric Company.
1923: On May 25 the Jamaica Public Service Company Ltd. (JPS) was registered, and subsequently acquired the assets of West India Electric Company.
1945: County Electric Lighting Company, Northern Electric Lighting Company, and St James Utility sold to JPS.
1966: All-Island 25-year Electricity License issued.
1978: JPS began operating under an exclusive 39-year All-Island Electricity License.
1996: Government halted proceedings to sell JPS, after receiving bids from three overseas utility companies.
1997: JPS entered into a Performance Agreement with the Government of Jamaica.
2001: On March 30, 80 percent of the operating shares in JPS was transferred to Mirant.
2007: On August 9, Marubeni Caribbean Power Holdings, Inc., a wholly owned subsidiary of Marubeni Corporation of Japan, purchased Mirant’s majority shares in JPS.
2009: Marubeni transferred 50 percent of its shares in Marubeni Caribbean Power Holdings to Abu Dhabi National Energy Company (TAQA) of the United Arab Emirates.
2011: Abu Dhabi National Energy Company withdrew from the Marunbeni partnership. Marubeni Caribbean are therefore majority shareholders of JPS.
2011: Korea East West Power (EWP) entered into a Purchase and Sale Agreement with Marubeni Corporation for joint ownership of majority shares (80%) in Jamaica Public Service Company Ltd.