Utility-Scale PV | Electricity | 2024 | ATB | NLR
2024 ATB data for utility-scale solar photovoltaics (PV) are shown above, with a base year of 2022. The Base Year estimates rely on modeled capital expenditures (CAPEX) and operation
Utility-scale PV systems in the 2024 ATB represent 100-MW DC (74.6-MW AC) one-axis tracking systems with performance and pricing characteristics in line with bifacial modules and a DC-to-AC ratio, or inverter loading ratio (ILR), of 1.34 for the Base Year and future years (Ramasamy et al., 2023).
(EIA, 2023a) reported that 140 PV installations (greater than 5 MW AC in capacity) totaling 10.3 GW AC were placed in service in 2022 in the United States. This represents an average of approximately 73 MW AC; 86% of the installed capacity in 2022 came from systems greater than 50 MW AC, and 52% came from systems greater than 100 MW AC.
For example, in the National Laboratory of the Rockies's (NLR's) Standard Scenarios Mid-case (which uses CAPEX assumptions from the 2023 ATB), U.S. utility-scale PV deployment grows by 192% between 2024 and 2035 (from 148 gigawatts [GW] to 432 GW) and by 113% between 2035 and 2050 (from 432 GW to 922 GW) (Gagnon et al., 2024).
With increased global deployment and a more efficient supply chain, preassembly of PV module mounting and wiring is possible. Reduction of supply chain margins (e.g., profit and overhead charged by suppliers, manufacturers, distributors, and retailers) will likely occur as the U.S. PV industry grows and matures.
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