Question: Lake Oliver was created by a dam completed in 1959 by a electric utility that began operations in what year?

Context articles: Lake Oliver
North American Electric Reliability Corporation
Southern Company
Goat Rock Lake
TRAME
Milltown Dam (St. Croix River)
Burlington Electric Department
Pacific Gas and Electric Company
Georgia Power
Richard B. Russell Dam

Lake Oliver is a 2150 acre reservoir on the Chattahoochee River, which lies south of Goat Rock Dam (Goat Rock Lake).
 The lake is created by the Oliver Dam and Generating Plant, which was completed in 1959 by Georgia Power.
The North American Electric Reliability Corporation (NERC) is a nonprofit corporation based in Atlanta, Georgia, and formed on March 28, 2006, as the successor to the North American Electric Reliability Council (also known as NERC).
 The original NERC was formed on June 1, 1968, by the electric utility industry to promote the reliability and adequacy of bulk power transmission in the electric utility systems of North America.
 NERC's mission states that it is to "ensure the reliability of the North American bulk power system."
Southern Company is an American gas and electric utility holding company based in the southern United States.
 It is headquartered in Atlanta, Georgia, with executive offices also located in Birmingham, Alabama.
 The company is currently the second largest utility company in the U.S., in terms of customer base.
 Through its subsidiaries it serves 9 million gas and electric utility customers in nine states.
 Southern Company’s regulated regional electric utilities serve a 120000 sqmi territory with 27000 mi of distribution lines.
Goat Rock Lake is a 940 acre reservoir on the Chattahoochee River, which lies directly south of Bartlett's Ferry Dam (Lake Harding) and north of Lake Oliver.
 The lake is created by the Goat Rock Dam and Generating Plant.
 The name of the dam and lake date to the construction of the dam in 1912.
 Reportedly, construction workers saw goats jumping onto rocks in the river.
TRAME(TRAnsmission of MEssages) was the name of the second computer network in the world similar to Internet to be used in an electric utility.
 Like Internet, the base technology was packet switching and it was developed by the electric utility ENHER in Barcelona and deployed by this same Utility first in Catalonia and Aragón, Spain, and later in other places.
 Its development started in year 1974 and the first routers, called nodes by that time, were deployed by year 1978.
 The network has been in operation until year 2016 (38 years), obviously with successive technological software and hardware updates.
The Milltown Dam is a hydroelectric dam built on the St. Croix River between St. Stephen, New Brunswick, Canada and Calais, Maine, USA, and operated by NB Power.
 Its power house has a capacity of 4 megawatts with its 7 turbines. Built in 1881 and modernised in the early-1900s, it is the oldest hydroelectric dam in Canada, as well as the first hydroelectric facility built by NB Power.
 Electricity generated by the Milltown Dam is also exported to the United States, connected to a 69,000 volt transmission circuit owned by the Eastern Maine Electric Cooperative, an electric utility serving Calais.
The Burlington Electric Department (BED) the a municipally-owned electric utility of Burlington, Vermont.
 It is the largest municipally-owned electric utility in Vermont.
 It has over 19,600 customers.
 It is the only utility providing electricity to the city and the Burlington International Airport, South Burlington.
The Pacific Gas and Electric Company (PG&E) is an investor-owned electric utility (IOU) with publicly traded stock that is headquartered in the Pacific Gas & Electric Building in San Francisco.
 PG&E provides natural gas and electricity to most of the northern two-thirds of California, from Bakersfield almost to the Oregon border which represents 5.2 million households.
 PG&E is overseen by the California Public Utilities Commission.
 It is the leading subsidiary of the holding company PG&E Corporation which has a market capitalization of $29.37 billion.
 It was founded by George H. Roe during the period after California's Gold Rush and by 1984 was the United States "largest electric utility business".
 PG&E is one of three regulated, investor-owned utilities (IOU)s in California—the other two being Southern California Edison and Sempra Energy's San Diego Gas & Electric.
Georgia Power is an electric utility headquartered in Atlanta, Georgia, United States.
 It was established as the Georgia Railway and Power Company and began operations in 1902 running streetcars in Atlanta as a successor to the Atlanta Consolidated Street Railway Company.
Richard B. Russell Dam is a concrete-gravity and embankment dam located on the Savannah River at the border of South Carolina and Georgia, creating Richard B. Russell Lake.
 The dam was built by the U.S. Army Corps of Engineers between 1974 and 1985 for the purposes of flood control, hydroelectricity, recreation, additional stream flow regulation, water supply, and fish and wildlife management.
 The concrete structure of the dam spans 1904 ft and rises 210 ft above the riverbed, housing a hydro-power plant with an installed 600 MW capacity.
 The Richard B. Russell Dam is the final large dam completed by the U.S. Army Corps in the Savannah River Basin and lies 30 miles downstream from the Hartwell Dam (1962) and 37 mi upstream from the J. Strom Thurmond Dam (1954).