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09 February 2009

Careba Mott MacDonald helps three New York wind parks come online

Careba Mott MacDonald has assisted Noble Environmental Power LLC of Connecticut, US to bring three new wind parks online. New York’s Altona, Chateaugay and Wethersfield wind parks will generate up to a total of 330MW of clean power to the upstate New York power grid.

Careba Mott MacDonald’s role encompasses design, electrical and structural engineering of all interconnecting substations, transmission lines and collector systems.

Brook Knodel, a deputy engineering manager at Careba Mott MacDonald said, “The interconnection of each wind park with the local utility presented unique challenges as each one has a very different configuration. The Chateaugay facility connects to a substation in Chateaugay, which supports two other wind farm developments in Clinton and Ellenburg, New York. It ties into the existing New York Power Authority Moses-Willis-Plattsburgh 230kV transmission line.

”Further up the same transmission line, the Altona windpark connects directly to the same transmission system via a brand new substation designed, built, and commissioned in 11 months for Noble by Careba Mott MacDonald. The addition of these new tap structures also served to add reliability to the NYPA system while providing the most modern NPCC compliant bulk power protection system.

"The Wethersfield wind park in western New York has both a substation and switchyard. The substation steps up the voltage to the 230kV level, where the newly designed and built transmission line moves the power to a switchyard 5.6 miles away. From that point, a switchyard connects the Wethersfield wind park via a ring bus configuration into the NYSEG 230kV grid.”

Noble Environmental Power LLC will sell the clean power generated to New York’s power market. It will also sell renewable energy credits to green energy marketers including the New York State Energy Research and Development Authority.

Based in Westwood, Massachusetts, Careba Mott MacDonald has extensive experience in the engineering and design of major power generation, transmission and distribution projects for power plant operators and developers, industrial facility operators, equipment manufacturers, contractors and T&D utilities. Careba Mott MacDonald has assisted Noble Environmental Power since 2004 when it entered into a strategic partnership to provide electrical engineering services, including the development and design of various land-based wind projects throughout the US*.

Mott MacDonald, Careba Mott MacDonald’s parent company is a global management, engineering and development consultancy serving the public and private sector around the world.


Editors notes:

1. The projects produce 97.5MW, 106.5MW, and 124MW of power online, respectively.

2. All three of the wind parks use the General Electric 1.5SLE wind turbine, rated at 1.5MW. The Altona wind park comprises 65 turbines and 21.1 miles of collector lines and Chateaugay holds 71 turbines and 33 miles of collector lines. Wethersfield is the largest wind park with 84 turbines and 60 miles of collector system.

3. *Careba Mott MacDonald designed another three 100MW wind energy facilities in New York – Clinton, Ellenburg and Bliss – which went into operation in 2007. The power consultancy also provided an engineering service for a 240MW Noble facility in the Texas Panhandle.

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