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Posted inEnergy & Environment

Let’s calculate the true cost of wind power

It has been reported that Massachusetts’ utilities National Grid, Northeast Utilities and Unitil have negotiated power purchase agreements (PPAs) for 565 megawatts of electricity capacity from existing and proposed wind farms in New Hampshire and Maine that would provide electricity at wholesale rates of approximately 8 cents per kilowatt-hour. These agreements were lauded by the Boston Globe, going as far as claiming that “wind power is now competitive with conventional sources.” Eight cents per KWh is cheap for wind, especially when you consider that Cape Wind currently has PPAs with NStar and National Grid for 18.7 and 20.5 cents per kilowatt-hour (not including 3.5 percent annual escalators).