PPAs can be structured with fixed pricing, index-based pricing tied to a wholesale market price, or hybrid structures, and disputes frequently center on how ambiguous pricing formulas apply when market conditions diverge sharply from the parties' original assumptions. Renewable-specific PPAs often add further contested terms, including capacity factor guarantees tied to expected generation output, curtailment risk allocation when grid operators limit delivery, and mechanisms for passing through the value of tax credits the project generates.

Force majeure disputes have intensified as extreme weather events increasingly disrupt generation or delivery, requiring courts or arbitrators to parse whether a specific weather event, supply chain disruption, or regulatory change fits the contract's often narrowly drafted force majeure definition and whether the affected party met its obligation to mitigate the disruption's effects.

Because PPAs are bespoke commercial contracts individually negotiated between sophisticated parties, they commonly include arbitration clauses that route disputes away from public court dockets, and the resulting confidential awards can make it harder for market participants to gauge how similar contract language has actually been interpreted. A Juricratic simulation can model force-majeure and pricing-formula ambiguity as dials to rehearse contract exposure before a dispute crystallizes into arbitration.

PPA disputes typically arise when a change in market prices, an extreme weather event, or a curtailment order makes the original bargain less favorable to one party, prompting a claim for breach, price reformation, or force majeure excuse that is frequently resolved through contractual arbitration rather than public litigation.