| Table 6.1.A. Estimated Net Summer Solar Photovoltaic Capacity From Utility and Small Scale Facilities (Megawatts) |
| 2015 - September 2025 |
| Period | Utility Solar Photovoltaic |
Estimated Small Scale Solar Photovoltaic | Estimated Total Solar Photovoltaic |
|---|---|---|---|
| Annual Totals | |||
| 2015 | 11,905.4 | 9,778.5 | 21,683.9 |
| 2016 | 20,192.9 | 12,765.1 | 32,958.0 |
| 2017 | 25,209.0 | 16,147.8 | 41,356.8 |
| 2018 | 30,120.5 | 19,547.1 | 49,667.6 |
| 2019 | 35,710.2 | 23,213.6 | 58,923.8 |
| 2020 | 46,306.2 | 27,584.8 | 73,891.0 |
| 2021 | 60,070.1 | 33,081.0 | 93,151.1 |
| 2022 | 71,386.3 | 39,828.0 | 111,214.3 |
| 2023 | 90,527.7 | 47,774.7 | 138,302.4 |
| 2024 | 122,060.1 | 53,228.1 | 175,288.2 |
| Year 2023 | |||
| January | 72,851.8 | 40,442.7 | 113,294.5 |
| February | 73,402.2 | 41,008.3 | 114,410.5 |
| March | 73,948.2 | 41,589.0 | 115,537.2 |
| April | 74,882.0 | 42,188.4 | 117,070.4 |
| May | 75,981.9 | 42,943.5 | 118,925.4 |
| June | 77,601.9 | 43,659.3 | 121,261.2 |
| July | 78,928.8 | 44,259.8 | 123,188.6 |
| August | 79,649.3 | 45,307.2 | 124,956.5 |
| Sept | 80,606.0 | 45,923.3 | 126,529.3 |
| October | 82,386.8 | 46,563.2 | 128,950.0 |
| November | 83,387.3 | 47,224.9 | 130,612.2 |
| December | 90,527.7 | 47,774.7 | 138,302.4 |
| Year 2024 | |||
| January | 93,683.0 | 47,712.3 | 141,395.3 |
| February | 94,294.2 | 48,289.8 | 142,584.0 |
| March | 97,255.0 | 48,727.9 | 145,982.9 |
| April | 98,675.7 | 49,136.7 | 147,812.4 |
| May | 101,218.5 | 49,744.2 | 150,962.7 |
| June | 103,884.6 | 50,074.6 | 153,959.2 |
| July | 104,866.2 | 50,519.6 | 155,385.8 |
| August | 106,072.6 | 51,026.8 | 157,099.4 |
| Sept | 108,566.7 | 51,583.5 | 160,150.2 |
| October | 111,402.8 | 52,016.4 | 163,419.2 |
| November | 116,405.3 | 52,480.8 | 168,886.1 |
| December | 122,060.1 | 53,228.1 | 175,288.2 |
| Year 2025 | |||
| January | 125,403.0 | 53,646.7 | 179,049.7 |
| February | 126,557.9 | 54,130.9 | 180,688.8 |
| March | 128,897.6 | 54,622.7 | 183,520.3 |
| April | 130,962.3 | 55,032.1 | 185,994.4 |
| May | 132,317.0 | 55,427.0 | 187,744.0 |
| June | 134,214.9 | 55,873.8 | 190,088.7 |
| July | 135,636.0 | 56,310.6 | 191,946.6 |
| August | 137,779.1 | 56,745.0 | 194,524.1 |
| Sept | 140,186.2 | 57,506.9 | 197,693.1 |
| Values for 2024 are final. Values for 2025 are preliminary. Sources: U.S. Energy Information Administration, Form EIA-860, 'Annual Electric Generator Report' and Form EIA-860M, 'Monthly Update to the Annual Electric Generator Report.' Estimated small scale solar photovoltaic capacity is based on data from Form EIA-861M, Form EIA-861, and from estimation methods described in the technical notes. |