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you're comparing retail prices to wholesale prices. NG may sell the power on Block Island at 9.5c/kWh for the generation component, but it is not able to procure is so cheaply at that particular location.

Also, the 24.4c/kWh will be for one of the supply sources of NG and will be mixed with its other sources. It is NG that will bear the possible additional cost on a small fraction of its supplies (possible, because the rest may become more expensive when gas prices go up again, as they will).

Wind power

by Jerome a Paris (etg@eurotrib.com) on Fri Apr 2nd, 2010 at 10:50:48 AM EST
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Yes, I realize that now -- 0.244/KWH (8-turbine) is "wholesale" or levelized cost of energy distributed across all ratepayers-- after having read document history of NGrid negotiation with Deepwater since Oct 2009. The executed PPA rate moderates Deepwater's initial, inexplicable offer price for New Shoreham at Y1 0.30/KWH (7-turbine). The dramatic arc of haggling with private equity is a fascinating read, against the backdrop of RGGI "fair value."

Interesting, too, was reference to a Ontario Power Authority's Lake Erie PPA, recognizing 40% premium for offshore relative to onshore wind supply. That reference is more apt to NGrid's current supplier and distribution mix. As you know, I guess, NGrid already resells onshore wind at SOS +0.025/KWH - +0.34/KWH.

In any case my interest as always is "billing impact," and here in particular what appears to be amortization of ICC (for 8 3.6MW turbines and one $5M cable) that doesn't necessarily contribute significantly to avoided costs over the period. So I'm wondering, again, Where is Rhode Island's stimulus check? And what is the "feed-in" price at Y20?

And from what component(s) of does Deepwater's 18% ROI over the period derive?

Diversity is the key to economic and political evolution.

by Cat on Fri Apr 2nd, 2010 at 01:55:09 PM EST
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