Figure 1. Evolution of solar PV module cost (1975-2020) data source [17]

From

Solar PV Technology Cost Dynamics and Challenges for US New Entrants

Solomon Evro, Cooper R. Wade, Olusegun S. Tomomewo

American Journal of Energy Research. 2023, 11(1), 15-26 doi:10.12691/ajer-11-1-2