July 20, 2004

Merits of Cape Wind project

This letter (click the title of this post) in response to my earlier letter comes straight from the wind industry's sales brochure: Compare the (generously estimated) total annual output to the consumption of a small region (75% of the Cape's needs!). Equate that output with the carbon emissions of the dirtiest coal plant to claim what it is replacing. And ignore the intermittency of that output, which makes it useless for meeting actual minute-by-minute demand and either ensures that the dirtiest coal plant (because it is most easily switched quickly on and off) must be relied on even more than before or requires the large interstate grid to absorb the effect of its erratic peaks and dips, negating most of its supposed contribution.