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Four Basic Components to a VPPA
1. The Buyer commits pay a fixed price to
the Seller (the developer/owner of the
Project) for every Megawatt Hour
(Mwh) of electricity produced by the
Project and delivered to the
interconnection point. As noted
before, this fixed price payment
provides support for financing the
project.
2. If the price at which the power is sold
into the market exceeds a minimum
floating price (which is higher than the
fixed price component), the Seller pays
the Buyer the differential between the
fixed and floating price. This element
is why the VPPA is treated (and
regulated) as a “fixed for floating price”
swap.
3. If the floating price for any monthly
period is zero or negative and certain
other complex factors are present, the
Seller is obligated to make a “Floor-True-
Up Payment” to Buyer.
4. There are “facility attributes” and
“environmental attributes” which, if
earned, are transferred to the Buyer (or
sold, with the benefits going to the
Buyer). “Facility attributes” are complex,
and relate to certain “capacity benefits
and ancillary services” attributable to the
Project. “Environmental attributes” are
the RECs, and the foundation of the
ability of Buyer to claim the “green”
benefits from the VPPA.
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