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Fortnightly Magazine - December 2013
Main Street Power completed a 3.1-MW distributed solar project in the San Diego Unified School District using Enphase Energy inverters.

in size and orientation. Enphase microinverters allowed Main Street Power and the school district to rely on one type of inverter technology to support 3.1 MW of arrays and more than 125 different systems designed using different orientations and sizes. 

Entergy Gulf States Louisiana signed a commercial and contractual agreement with Methanex USA to supply up to 30 MW of power to Methanex’s new methanol facility in Geismar, Louisiana. The contract specifies 10 years of energy sales, and may continue thereafter on a year-to-year basis. Entergy plans to upgrade its transmission system to meet increased demand from the system. Methanex’s first plant is expected to be operational by the end of 2014, and the second plant is expected to be operational by early 2016.  

The Department of Energy’s Office of Fossil Energy awarded ION Engineering $15 million to support a CO 2 (carbon dioxide) capture 1-MW equivalent pilot project at Nebraska Public Power District’s (NPPD) Gerald Gentleman Station in Sutherland, Neb. ION Engineering and partners will contribute an additional $4 million in matching funds bringing the total to $19 million for the 45-month project. In addition to NPPD, partners include the University of North Dakota Energy & Environmental Research Center (EERC) and the University of Alabama Department of Chemical and Biological Engineering.

Siemens plans to test Aquion Energy batteries in Siemens Sinamics S120 drive technology.

Duke Energy Renewables will build two large-scale wind power facilities in South Texas. Duke will build, own, and operate the Los Vientos III and IV wind projects, about 100 miles west of Brownsville near Rio Grande City in Starr County. Each will produce 200 MW of electricity. Austin Energy will purchase the output and associated renewable energy credits from the wind farms under two 25-year agreements. Construction was scheduled to begin in the fourth quarter of this year, with an in-service date expected in early 2015 for Los Vientos III and mid-2016 for Los Vientos IV.  Vestas will supply 200 2-MW turbines for the two projects.

Distributed Resources

AES began commercial operation of its 40-MW grid-scale storage system. Located at Dayton Power and Light’s (DP&L) Tait generating station in Moraine, Ohio, the project is providing fast-response frequency regulation services to PJM Interconnection to stabilize the grid that serves more than 60 million people. The facility is the largest of its kind in Ohio and helps to meet the needs otherwise provided by power generation from inefficient or retiring power plants. This operating system, called SOS, is a fast-response control architecture that applies performance algorithms to automate the operation of AES-delivered, battery-based energy storage arrays, optimizing performance and efficiency, and extending battery life.  

Aquion Energy signed a memorandum of understanding with Siemens Industry under which both parties will test the integration of Aquion’s AHI batteries and Siemens’ Sinamics S120 drive technology. As part of the MOU, Siemens purchased an initial set of Aquion batteries for immediate shipment to their manufacturing and test facility in Alpharetta, Ga. Siemens’ Sinamics S120 inverter solution and Aquion’s AE12 battery system are currently under high voltage test at Aquion’s R&D facility in Pittsburgh, and will undergo additional joint testing at Siemens’ Alpharetta facility. 

CenterPoint selected Itron to provide drive-by RF modules for 3.3 million natural gas meters for the company’s six-state distribution territory.

As part of its Clinton