Commisioning Ceremony Roth Rock

Roth Rock

Dedication Ceremony November 8th, 2011 Thank you for attending

Some Facts

Roth Rock Wind Farm

Project Owner Location Wind farm Area Capacity Production Enough Electricity to power Saved CO2 emissions per year Point of Interconnection Lifetime Investment PPA’s counterparties Financiers WTG Model-Supplier WTG Rotor diameter Swept rotor area Hub height WTG weight

Roth Rock Wind Farm LLC Gestamp Wind Backbone Mountain, Garret County, Maryland 870 acres 50 MW (20 wind turbines of 2.5 MW) 125 GWh /year 11,300 homes 130,000 t.

34.5/138kV substation interconnected to Switching Station owned by Allegheny Power Minimum 20 years $130 million USD Delmarva Power and Light Company, University System of Maryland, Maryland Department of General Services U.S. Bancorp, Banco Sabadell, Caixabank.

N90/2500 HS -Nordex USA, Inc 90 m.

6,362 m2 80 m.

Approx. 55t.