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Fortnightly Magazine - August 2013

Transmission & Pipelines

Hudson Transmission Partners completed the 660-MW Hudson transmission project, which connects New Jersey to Manhattan with a cable beneath the Hudson River.

MISO expanded its reliability coordination services to include eight additional entities: Cleco; South Mississippi Electric Power Association (SME); Louisiana Energy and Power Authority (LEPA); Louisiana Generating (LAGN); and four municipal utilities in the region. Cleco and SME are working toward full integration into MISO’s market operations by December 2013.

Williams Partners completed construction and brought into service a major expansion of Transco, a 10,200-mile pipeline system that transports natural gas throughout the northeastern and southeastern United States. The Mid-South Expansion project provides service to power generators in North Carolina and Alabama as well as a local distribution company in Georgia. The company placed into service the first phase of the expansion (95,000 dekatherms per day) in the fall of 2012, and now has commissioned the second phase (130,000 dekatherms/day). The expansion project consists of approximately 23 miles of new pipeline, a new compressor facility in Dallas County, Ala., and upgrades to existing compressor facilities in Alabama, Georgia, South Carolina, and North Carolina.

Hudson Transmission Partners completed testing its underground and underwater, 660-MW electric transmission project between Ridgefield, N.J., and Manhattan, and has begun delivering power to customers in New York City. The Hudson transmission project route has a total length of about 7.5 miles, with a cable bundle buried under the Hudson River for about 3.5 miles and buried underground for approximately four miles, starting in Ridgefield. The line connects to the Con Edison system at the West 49th Street substation in Manhattan and is capable of providing about 5 percent of New York City’s peak demand. The project began construction in May 2011 at a cost of approximately $850 million and was completed six weeks ahead of schedule.

Gen-X Energy Development installed Northern Power NPS 100 wind turbines at the SkyGrid microgrid project in Hawaii.

Constitution Pipeline, a limited liability company owned by subsidiaries of Williams Partners , Cabot Oil & Gas, Piedmont Natural Gas, and WGP Holdings, filed an application with the Federal Energy Regulatory Commission (FERC) seeking approval to construct a 122-mile pipeline connecting the Marcellus natural gas supply in northeastern Pennsylvania with northeastern markets by spring 2015. The pipeline was designed to transport up to 650,000 dekatherms of gas per day from Williams Partners’ gathering system in Susquehanna County, Pa., to the Iroquois Gas Transmission and Tennessee Gas Pipeline systems in Schoharie County, N.Y. Capital costs are expected to reach $683 million. Williams Partners owns a 41 percent share of Constitution Pipeline and, through its affiliates, will provide construction, operation, and maintenance services. 

Distributed Generation & Microgrids

Gen-X Energy Development installed Northern Power NPS 100 wind turbines at the SkyGrid Energy microgrid project in North Kohala, Hawaii. Northern Power says its NPS 100 wind turbine is designed with voltage, current, and reactive power controls to support microgrids. The SkyGrid project, which has been operating since April 2013, was partially funded by the U.S. Department of Energy through the Hawaii Renewable Energy Development Venture. Gen-X Energy Development plans to replicate and deploy the microgrid solution throughout Hawaii and other island communities.

GE and the Kotzebue Electric Association (KEA), an electric cooperative serving the remote city of Kotzebue and other rural areas of Alaska, have launched a