Home / Installers / Louisiana Solar installers in Louisiana 44 profiled installers based in Louisiana, plus the national companies most active in the state — volume, prices and ownership mix from public data.
Dataset updated July 2026 . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Median price
$2.50/W
pre-incentive
Any headquarters
Most active in Louisiana # Installer Installs in LA 1 Global Efficient Energy 211 2 VETERAN CONTRACTORS, L.L.C. 158 3 Green Light Solar, LLC of Texas - Bret Anthony Duplantis 88 4 MARC JONES CONSTRUCTION, L.L.C. 79 5 POSIGEN OF LOUISIANA, L.L.C. - Glynn Woodall 61 6 VETERAN CONTRACTORS, L.L.C. - James Walsh 56 7 Green Light Solar, LLC of Texas 51 8 OPTIMIZE SOLUTIONS, LLC 48 9 Marc Jones Construction LLC DBA Sunpro Solar - Marc Jones 46 10 Supreme Power LLC DBA Posigen Louisiana - Michael King 46 11 PosiGen Developer, LLC - Joshua Theard 42 12 GULF SOUTH SOLAR, LLC 42 13 PosiGen Developer, LLC 39 14 Joule, LLC - Robert schmidt 38 15 JOULE, LLC 35
Based in the state
Installers headquartered in Louisiana Installer Installs Capacity Median $/W TPO Active since VETERAN CONTRACTORS, L.L.C. 158 910 kW — 0% 2013 MARC JONES CONSTRUCTION, L.L.C. 113 856 kW $2.00/W 0% 2013 Green Light Solar, LLC of Texas - Bret Anthony Duplantis 88 1.1 MW — 0% 2021 POSIGEN OF LOUISIANA, L.L.C. - Glynn Woodall 61 417 kW — 0% 2021 VETERAN CONTRACTORS, L.L.C. - James Walsh 56 334 kW — 0% 2013 Green Light Solar, LLC of Texas 51 449 kW — 0% 2020 OPTIMIZE SOLUTIONS, LLC 48 356 kW — 0% 2013 Supreme Power LLC DBA Posigen Louisiana - Michael King 46 294 kW — 0% 2020 Marc Jones Construction LLC DBA Sunpro Solar - Marc Jones 46 323 kW — 0% 2018 GULF SOUTH SOLAR, LLC 42 281 kW — 0% 2012 PosiGen Developer, LLC - Joshua Theard 42 284 kW — 0% 2022 PosiGen Developer, LLC 39 307 kW — 0% 2022 Joule, LLC - Robert schmidt 38 294 kW — 0% 2012 JOULE, LLC 35 251 kW — 0% 2013 Supreme Power DBA Posigen Louisiana - Michael King 33 297 kW — 0% 2018 Solar Alternatives 31 187 kW $5.77/W 0% 2007 SOUTH COAST SOLAR, L.L.C. 25 286 kW $4.46/W 0% 2013 POSIGEN OF LOUISIANA, L.L.C. 19 126 kW — 0% 2016 THERMO-GUARD INDUSTRIAL, LLC 16 141 kW — 0% 2012 K D HOMES BUILDER, LLC 15 84 kW — 0% 2015 Supreme Power dba Posigen Louisiana - Evelyn Ailshie 15 114 kW — 0% 2018 PosiGen Developer, LLC - Evelyn Ailshie 14 103 kW — 0% 2022 South Coast Solar - David Oman 11 131 kW — 0% 2019 SOLAR ALTERNATIVES, INC - Jeffrey Cantin 9 13 kW — 0% 2018 Marc Jones Construction, LLC - Ruth Crisp 9 92 kW — 0% 2017 D & L Clean Power Solution's L.L.C. 9 22 kW — 0% 2025 Solar Alternatives - Jeffrey Cantin 9 10 kW — 0% 2018 Posigen of Louisiana, LLC - Michael King 9 49 kW — 0% 2017 POSIGEN OF LOUISIANA, L.L.C. DBA PosiGen Developer, LLC - Glynn Woodall 8 63 kW — 0% 2023 Fastrac Energy Services - Ruth Cueva 8 62 kW — 0% 2023 Fastrac Energy Services - Desiree Hirsch 8 19 kW — 0% 2023 Brightside Energy LLC 8 35 kW — 0% 2024 D & L CLEAN POWER SOLUTIONS LLC - Bryson Jeffs 7 0 kW — 0% 2025 Optimize Solar 7 52 kW — 0% 2012 VETERANS CONSTRUCTION LLC 7 42 kW — 0% 2013 PosiGen Developer, LLC - Glynn Raye Woodall Jr. 6 38 kW — 0% 2023 PosiGen - Evelyn Ailshie 6 44 kW — 0% 2022 Green Light Solar LLC of Texas - Stacy Lennon 6 0 kW — 0% 2023 Green Light Solar - Bret Anthony Duplantis 5 19 kW — 0% 2023 ADT Solar LLC - Philip Maguire 5 161 kW — 0% 2022 PosiGen Developer, LLC - Haley Varela 5 45 kW — 0% 2023 Ecobuild LLC 5 31 kW — 0% 2022 Posigen Developer LLC - Glynn Woodall 5 39 kW — 0% 2023 POSIGEN OF LOUISIANA, L.L.C. - Thomas Allen Neyhart 5 30 kW — 0% 2016
"Based in" = the state with the most recorded installs for that installer. Top 100 shown, ordered by volume.
Frequently asked questions How many solar installers are there in Louisiana? PanelCensus profiles 44 installers based in Louisiana (5+ recorded installs each), resolved from 41,418 recorded installations in the state. Multi-state national installers also operate here — see the "most active" list.
Who is the biggest solar installer in Louisiana? Global Efficient Energy has the most recorded installations in Louisiana with 211 systems.
See installation-level geography on the Louisiana solar page .
© 2026 Hyder Media · PanelCensus — The public census of America's solar installations & installers. Built from public records: LBNL Tracking the Sun, city permits, state programs and USGS/EIA utility-scale data. Methodology & data