1. Duration: PPAs usually span 10-25 years, providing long-term stability. 2. Pricing: Terms can include fixed pricing, escalating pricing, or variable pricing based on market conditions. 3. Volume: The agreement specifies the amount of energy to be supplied. 4. Delivery: Defines how and where the energy will be delivered. 5. Penalties: Outlines penalties for underperformance or non-delivery.