About Us
Obtain N-type modules
(SunDay S 10+, SunDay A 10) KOREAN STANDARDS
Production of 600W modules
(SunDay10+)
Development of floating modules
(Sunday10+ Wave) and KOREAN STANDARDS acquisition
Production of 450W modules
(Sunday6)
Production of 550W modules
(Sunday10)
Headquarters relocation
(1281 Daewangpangyo-ro, Sujeong-gu, Seongnam-si, Gyeonggi-do)
Expansion of module manufacturing facilities
(Factory H2)
Gangjin Industrial Complex Energy Park and Mangho Marina Construction
MOU execution with Gangjin County and Jeonnam Development Corporation
Host of Gangjin Service Campaign & Expo
VAP agreement signing with Huawei
(First in Korea)
POSCO Construction 45MW PV Plant Project
POSCO Construction 45MW PV Plant Project
Technical advisory service for Hitachi Chuo 54MWp PV Plant in Japan
Contractor for the eco-friendly energy town
(including Hongcheon) PV plant construction project
Energy New Industry ESS Loan Support Project designation
(1MWh ESS construction)
Development and construction of small and large-scale PV projects for domestic RPS
Development of large-scale PV plants in Vietnam and Fiji
Importer of Huawei inverters to the domestic market
Acquisition of subordinate bonds for power plants owned by "EU Sunday AD"
(Solar Group Systems EAD, Solar R1 EOOD, Solar RAS EOOD, Consult Solar EOOD)
Acquisition of shares in the Bulgarian PV plant "Solar Group System EAD"
Contract for PV facility construction with SLL Co., Ltd., valued at KRW 6.8 billion
Contract for PV facility construction with Busan City Gas Co., Ltd., valued at KRW 5.2 billion
Patent registration for a diagnostic device for PV cells
Domestic RPS
Rooftop PV plants
99kW floating PV plant for Korea Water Resources Corporation
Ceremony for the 42MW project in Bulgaria
Joint development agreement execution for overseas PV energy with Korea South-East Power and SDN Co., Ltd.
Project finance agreement execution for the 42MW PV project in Bulgaria with the Industrial Bank of Korea
Completed ASM 21MW in Bulgaria
Equity acquisition agreement signing for the Bulgarian project
Company name change from Seoul Marine Co., Ltd. to SDN Co., Ltd.
100% Free capital increase
(capital from KRW 5 billion to KRW 10 billion)
Bulgarian branch establishment
(SDN Company Ltd. Bulgaria BR)
Partial completion ceremony of 6.25MW and groundbreaking ceremony for the 42MW projects in Bulgaria
PV module production plant completion in Gwangju High Tech Industry Park and trial production commencement of Sunday PV module
SDM-230-SA-A1 PV module certification and mass production initiation at the Gwangju Plant
Renewable energy facility certification for modules produced at Gwangju Plant
Market leader status accomplishment for 4 consecutive years in PV plant construction and system supply
(total 30MW, 142 power plants)
Company name change to SDN Co., Ltd.
KOSDAQ listing
Factory site purchase in Gwangju High Tech Industry
(26,654.6㎡)
Patent registration for PV servo control tracking device
Construction commencement of a module production plant in Gwangju High Tech Industry
Patent registration for PV efficiency measurement device
Market leader status accomplishment for 3 consecutive years in PV plant construction and system supply
(total 21MW, 142 power plants)
Completion of 1MW practical evaluation and verification research complex
Certification as an innovative small business (INNOBIZ) by the Ministry of SMEs and Startups
Investment MOU execution with Gwangju City (PV cell and inverter manufacturing plant) and capital increase to KRW 1.46 billion
Market leader status accomplishment for 2 consecutive years, completing and supplying systems for about 50 PV plants
(total 7.5MW)
Completion of a 200kW commercial power plant (Korea YMCA)
Completion of the largest PV plant in Korea with 800kW capacity (Energy Farm Unit 3)
Development of comprehensive PV solutions (system diversification)
Completion and supply of systems for 26 PV plants nationwide, totaling 5MW No.1 market share (34%) achievement in the engine/power system market (outboard engines)
Completion of 150kW PV plant
(Energy Farm Unit 1)
Energy Farm Co., Ltd. establishment
(Capital: KRW 2,490 million)
Registration as a specialized renewable energy company
(registration number 3)
Completion of a 100kW private power plant
(first dual-axis tracker commercial power plant)
Completion of the largest PV plant in Korea with 700kW capacity
(Energy Farm Unit 2)
Korea Renewable Energy Laboratory establishment
Power generation business license acquisition for 3MW
Selection as the MW-level practical evaluation research and development project contractor
(Ministry of Trade, Industry and Energy, Korea Energy Agency)
Exclusive sales agreement signing for PV modules with Sanyo Sales and Marketing Co., Ltd.
Selection as the first domestic grid-connected PV demonstration complex construction research project
Energy Farm Co., Ltd. establishment
PV task force team and site selection work initiation
Exclusive sales contract signing for Solas propellers in Korea
Seoul Marine Co., Ltd. establishment
Exclusive distributor agreement signing for outboard internal combustion engines with HONDA Motor Co., Ltd.
Head Quarter 1281 Daewangpangyo-ro, Sujeong-gu, Seongnam-si, Gyeonggi-do, Korea TEL+82 31-8016-0599 FAX+82 31-8016-0799
Gwangju Factory & R&D Institute30 Cheomdan Venture-ro 16beon-gil, Buk-gu, Gwangju, Korea TEL+82 62-973-5770 FAX+82 62-973-5771
E-mail Sales [email protected] Technical Support [email protected]
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