PPA Termsheet for Solar-Wind Hybrid Projects

Published by firstgreen on

Solar-wind hybrid projects have gained traction because they capitalize on the combined strength of two renewable energy sources, ensuring a more consistent power output. A key element that governs the commercial aspects of these projects is the Power Purchase Agreement (PPA). The PPA stipulates the terms under which electricity is generated and sold between the project developer and the power purchaser.

Understanding the PPA

The PPA is a legally binding contract that sets forth the responsibilities and rights of both parties: the seller (solar-wind hybrid project owner) and the buyer (utility or end consumer). It covers key commercial and operational terms, ensuring a predictable cash flow for developers and a steady supply of electricity for buyers.

Key Terms of the PPA

Here’s a table highlighting the key PPA terms for solar-wind hybrid projects:

DurationSpecifies the length of the agreement, typically ranging from 15 to 25 years.
TariffThe price at which electricity will be sold, which can be fixed, escalated annually, or based on a bidding process.
Payment TermsDefines how and when payments will be made, often including provisions for late payment penalties.
Energy DeliveryOutlines the minimum quantity of electricity to be supplied and the consequences of under or over-delivery.
MeteringDetails where and how electricity will be measured, and the frequency of measurement.
Termination RightsSpecifies conditions under which the PPA can be terminated, such as breach of contract or prolonged force majeure events.
Liabilities and IndemnitiesSets forth the responsibilities in the event of damage, loss, or third-party claims.
Force MajeureDescribes unpredictable events that are beyond the control of either party and could affect the performance of the agreement.
Dispute ResolutionOutlines the methods and venues for resolving disputes, such as arbitration or litigation.
Governing LawThe legal jurisdiction under which any disputes will be resolved.


The PPA is a cornerstone for the development of solar-wind hybrid projects. It provides the necessary security for developers to secure financing and embark on construction. At the same time, it assures the buyers of a consistent supply of green energy. For these reasons, understanding and negotiating a fair PPA is essential for the success of solar-wind hybrid projects.

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