Best Solar Energy Companies in South Korea
The 51 best Solar Energy companies in South Korea in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Brite Energy Partners.
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Our analysis of 100 Solar Energy companies
$30.5b in tracked funding; 83% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Solar Energy companies in South Korea
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Brite Energy Partners Provider of solar panel installation services | $234M | 43 mo ago | Series D | Brian Kim Founder & CEO | 2017 | — | — | — |
| 2 | Nexolon Manufacturer of solar ingots and wafers | $130M | 150 mo ago | Deadpooled | Woo Jeong Lee CEO | 2007 | — | 9 patents Silicon wafer/substrate handling, mounting, and single-crystal growth processes for photovoltaics | — |
| 3 | ENlighten Provider of solar energy services for homes | $21M | 7 mo ago | Series B | Youngho Lee CEO | 2016 | Node.jsMUIEnvoy+20 | 13 patents Solar PV forecasting, anomaly detection, and V2G‑enabled demand management systems | — |
| 4 | Woongjin Energy Manufacturer and sells ingots and wafers for solar cells | $9M | 112 mo ago | Deadpooled | — | 2006 | — | 103 patents Manufacturing equipment for monocrystalline silicon ingot growth for solar cells | — |
| 5 | Reset Company Provider of solar power generation services | $3M | 34 mo ago | Series A | — | 2016 | — | 35 patents Automated recycling, cleaning, and maintenance of photovoltaic module components | — |
| 6 | Hanwha Manufacturer of solar cells, modules, and other related components | — | 99 mo ago | Public | Chong Kim Founder | 1952 | JavaGSAPLenis+7 | 4,137 patents Power electronics, energy storage hubs, hydrogenation catalysts, battery electrode materials, UI display tech | — |
| 7 | SFA Provider of semiconductor and display equipment | — | 218 mo ago | Public | Young Min Kim CEO | 1998 | WordPressMySQLPHP+9 | 15 patents Patents concentrated in textiles | — |
| 8 | BH Energy Developer of solar energy projects | — | — | Funding Raised | Kim Beom CEO | 2015 | — | 1,565 patents Advanced lithium‑ion battery cathode materials and manufacturing processes | — |
Top 7 Solar Energy companies in South Korea
#1
Series B · Seoul, Seoul · founded 2016 · 74 employees$20.8Mraised▾
Provider of solar energy services for homes
- Jan 2026Series B$20.8M
#2
Series D · Seoul, Seoul · founded 2017$233.7Mraised▾
Provider of solar panel installation services
- Dec 2022Series D$133.7M
- Aug 2021Series D$100M
#3
Deadpooled · Iksan, Jeollabuk-do · founded 2007 · 575 employees$130Mraised▾
Nexolon is a Korean company, founded in 2007, that manufactures solar ingots and wafers for the production of solar panels. Products include mono/multi wafers and mono/multi ingots. Claims to have a production capacity of 1.7GW as of 2012.
- Jan 2014Conventional Debt$130M
#4
Series A · Seongnam-si, Gyeonggi-do · founded 2016 · 2 employees$3Mraised▾
Provider of solar power generation services
- Oct 2023Series A$3M
#5
Deadpooled · Daejeon, Daejeon · founded 2006 · 111 employees$8.7Mraised▾
Manufacturer and producer of ingot and wafer intended to be used in solar cells. The company offers products such as monocrystalline ingots, cleaning equipment and automation system, thereby saving wafer production costs and reduction of greenhouse gas by applying a solar eco-system.
- Mar 2017Post IPO$8.7M
#6
Public · Seoul, Seoul · founded 1952 · 757 employees—raised▾
Manufacturer of solar cells, modules, and other related components. It provides is involved in the production of explosives for the defense and construction industries, automotive airbag inflators, telecommunication equipment, and financial services. It also manufacturers and suppliers of petrochemical products. In 2022, the company recorded annual revenues of $48.2B and a net profit of $1.02B.
#7
Public · Hwaseong, Gyeonggi do · founded 1998 · 685 employees—raised▾
SFA Engineering Corp is in the business of material handling systems and process and precision equipment and logistics. Its major products include display equipment, logistics system, semiconductor equipment, solar and fuel cell equipment and special industrial equipment. The company operates in China and Korea. The company offers its products and services to logistics diagnosis, system engineering, design, self-manufacturing of equipment and construction areas.
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Solar Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Solar Photovoltaics is moving in South Korea
A read on the academic research around Solar Photovoltaics — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,248 South Korea-affiliated papers.
- Sungkyunkwan University131
- Korea University103
- Ministry of Education96
- Ulsan National Institute of Science and Technology72
- Korea Institute of Energy Research53
- Photovoltaic system6→60
- Perovskite (structure)20→72
- Energy conversion efficiency15→56
- Solar energy3→40
- Optoelectronics19→53
- Photovoltaic system10→158
- Solar energy8→114
- Solar cell22→107
- Optoelectronics16→96
- Perovskite (structure)17→96
- Photovoltaic system3→37
- Solar cell2→22
- Solar energy2→19
- Perovskite (structure)6→20
- Nanotechnology1→11
Where solar pv is researched across South Korea
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing solar pv patents in South Korea
South Korea solar pv patent filing is cooling — 37,734 filings from 8,000 assignees (2016–2025), led by Samsung, LG Electronics, LG Chemical; annual filings 3635→2558.
- Samsung13066
- LG Electronics3703
- LG Chemical3308
- LG Display3275
- LG Innotek1616
- DUK SAN Neolux864
- Korea INST SCI & TECH600
- Jusung ENG501