DER interconnection policy Enphase worked with decisionmakers in both the United States and Europe to accelerate the adoption of new interconnection processes to enable higher penetration levels of DERs while mitigating against costly grid upgrades by grid operators. Enphase was also instrumental in developing the regulatory standards necessary to unlock PCS software for home solar and battery systems. PCS is an advanced software-enabled feature that enables a more streamlined interconnection process for DERs, reduces the need for main panel upgrades, and supports increased battery capacity for homeowners. Enphase undertook these initiatives in 2023 and continues to advance them in order to help ensure that DERs can safely connect to the grid, provide grid resilience bene昀椀ts to customers, and grid services bene昀椀ts to grid operators. “Enphase was responsible Virtual power plant (VPP) policy for advancing policies and Enphase was responsible for advancing policies and regulations in support of DER-enabled regulations in support of DER- VPPs that provide reliability services to the electric grid in many markets. This includes enabled VPPs that provide the development of VPP programs that enable residential customers to modify their DER reliability services to the electric systems (i.e., decrease energy consumption and/or increase energy exports) to receive grid in many markets.” maximum compensation from grid operators. In addition, Enphase worked to advance the development of incentive programs for customers to acquire DER systems that grid operators, in turn, may utilize to maintain grid reliability. Domestic manufacturing policy Enphase worked with decisionmakers to advance incentivization programs in the United States and Europe to support the development of a domestic manufacturing industry for DER systems, as well as new tax and tari昀昀 initiatives that serve to increase customer demand for domestically manufactured products and improve safety and security standards for DER customers. 70