What BK ENERGY does

BK Energy Co., Ltd. is a Yeosu, South Korea-based solar EPC specialist founded in 2015 by Lee Haeng-woo. The company develops, designs, manufactures, constructs, and maintains photovoltaic power generation systems across five product lines: rotating floating PV (the flagship "Haedori" / 해도리 platform), cultural-tourism-linked floating PV, agrophotovoltaic systems, land/ground PV, and building rooftop PV with patented waterproofing. Its core differentiator is a turntable-based rotating floating PV architecture (certified as a 2021 New Excellent Technology by KATS) that the company claims extends generation time by ~15% over fixed-type floating solar. The portfolio is augmented by a proprietary hydrophilic inorganic nano-ceramic coating for solar modules — inspired by Goryeo celadon glaze techniques — that the company claims increases module efficiency by 5%+ while extending cleaning cycles from 4+ times per year to once every three years, and an IoT-integrated sun-tracking algorithm driving single-axis rotation of the floating structure. Underlying components include X-shaped mooring, UV-resistant buoyancy bodies rated for 50+ year service life, and an in-development AI-integrated land PV tracking system.

Revenue is generated through project-based EPC contracts (largest disclosed: a $100M / ~110B KRW 200MW Goheung project with Spain's EDPR; a 20MW Morocco rooftop EPC with GAIA at ~20B KRW; and a 240MW Goseong offshore project with projected 1.26T KRW revenue over 20 years), recurring SMP + Renewable Energy Certificate (REC) sales from owned-and-operated plants in Korea, non-dilutive government R&D grants (KRW 3B Net-Zero program in Aug 2022 and KRW 3.5B Tourism-linked Floating Solar program in Oct 2022), and potential licensing of 30+ solar-related patents. Go-to-market is enterprise field sales targeting public utilities, sovereign-backed developers, and ODA-funded projects; the company is pursuing a stock market listing targeted for 2026. The customer base spans Korea Hydro & Nuclear Power (KHNP), EDPR (Spain), GAIA (Morocco), Vietnam's Ministry of Agriculture, and CES-2024-introduced partners including Bermuda's Fort Knox, Nigeria's TUG Group, and SEALEXCO.

Name

BK ENERGY

Legal name

주식회사 비케이에너지 (BK Energy Co., Ltd.)

Website

https://bke1.com

Company type

Private

Founded year

2015

Operating status

Operating

Short description

BK Energy is a Korean solar EPC company that designs, builds, and operates rotating floating PV (Haedori brand), land PV, agrophotovoltaic, and rooftop solar systems, augmented by a proprietary hydrophilic nano-ceramic coating, primarily serving utilities, sovereign developers, and ODA-backed projects across Asia, Middle East, Africa, and Europe.

Ownership category

akta.pro rank

Product category

Solar EPC and Floating Photovoltaic Systems

NAICS

Solar Electric Power Generation (221114), Electric Power Generation (22111)

SIC

Power, Distribution & Specialty Transformers (3612), Switchgear & Switchboard Apparatus (3613)

akta.pro primary industry

Utility-Scale PV EPC (Engineering, Procurement & Construction) (EUACAGAB)

akta.pro secondary industry

Solar Balance-of-Plant EPC (Piles/Foundations, Trenching, Combiner Networks) (EUAEADAJ)

Keywords

• Floating solar systems
• Solar EPC services
• Rotating photovoltaic technology
• Hydrophilic nano coating
• Agrophotovoltaic systems

Headquarters

HQ city

Songpadong

HQ country

South Korea

HQ region

Asia

Markets served

GTM type

B2B

Offering type

Services

Cost components

Technology or R&D, Supply Chain, Operations, Personnel, Marketing or Sales

Revenue model

1. EPC (Engineering, Procurement & Construction) contracts: One-time, project-based revenue from large-scale solar PV EPC contracts. Examples: 100MW floating solar with KHNP; 200MW Goheung with EDPR ($100M contract); 20MW Morocco rooftop solar EPC with GAIA (~20 billion KRW); 240MW Goseong offshore project; 1MW floating solar completions (Jisan, Bongam, Gosi reservoirs); 350MW exclusive development with EDPR. Revenue is recognized on project completion milestones.
2. Power generation sales (SMP + REC): Recurring revenue from selling electricity generated by owned and operated plants on Korea's power market. SMP (System Marginal Price) is the time-of-day market price per kWh; REC (Renewable Energy Certificate) is a tradeable supply certificate whose weight varies by installation type (e.g., floating solar ≤100kW = 1.6 weight; 3MW or less = 1.4; >3MW = 1.2). KHNP-led EPC arrangements include REC purchase by the public partner.
3. Government R&D and SME innovation grants: Non-dilutive funding via Korean government programs: KRW 3 billion national funding for 'ICT-based Culture & Tourism-linked Water Purification Floating Solar Pilot Construction' (3-year project to July 2025, total 3.5 billion KRW with 500M self-funded); 3 billion KRW via Net-Zero Technology Innovation Development Project (Aug 2022); selected for 'Tourism-linked Water Quality Improvement Floating Solar R&D Company' by Ministry of SMEs and Startups; ODA participation in Morocco project (~1.72 billion KRW by MOTIE).
4. Patent licensing and technology transfer (potential): Revenue potential from licensing 30+ solar-related patents and the proprietary nano-ceramic coating and Haedori rotating solar technology. Reference mentions exclusive contract discussions for water solar and agricultural solar technology with Yemen Company A; IP-managed business operations supported by Korean Intellectual Property Office; CEO mentioned long-term clean hydrogen procurement as a future revenue stream from overseas-produced electricity.

Pricing tiers

Go-to-market motion1 record

Core offering

BK Energy designs, manufactures, and constructs floating and ground-mounted photovoltaic power systems, with a flagship rotating floating PV platform (Haedori) that uses a turntable method and IoT sun-tracking to extend generation time by about 15% versus fixed floating PV. The company delivers these systems through EPC contracts and also operates its own plants to sell electricity on Korea's SMP + REC market. It additionally sells a hydrophilic inorganic nano-ceramic coating module that improves module efficiency by 5%+ and reduces cleaning frequency, plus agrophotovoltaic and building-rooftop PV offerings.

Product overview

BK Energy Co., Ltd. operates as a vertically integrated solar EPC specialist whose offering is best characterized as a platform-plus-modules architecture: a core floating PV platform (with rotating and cultural-tourism-linked variants) is bundled with the company's proprietary hydrophilic inorganic nanocoating module, complemented by a separate land PV module (ground, building rooftop, and waterproof rooftop sub-lines) and a Headori® agrophotovoltaic sub-line that includes pesticide-free photocatalyst cultivation. The flagship Haedori® rotating floating PV system is the central differentiator, while the nanocoating is positioned as the killer-content add-on that lifts module efficiency, enables self-cleaning, and is sold/applied across both the company's own plants and partner projects. Underlying all of this is an AI/IoT optimization layer that autonomously tracks the sun's path and (in development) an AI-based land PV tracking system.

Differentiator

Problem solved

Functional benefit

Brands

• Haedori (해도리): BK Energy's branded rotating floating solar power system. IoT-integrated, self-developed algorithm tracks sun's movement via latitude/longitude to maximize generation in water-based and desert regions. Features structural stability, buoyancy body UV resistance, ice pressure stability, and algae/evaporation prevention. Includes Haedori 1 and Haedori 2 floating solar power plants at Maehyang Reservoir, Boryeong.

Products and services

• Floating Photovoltaic Systems (수상태양광) A floating solar power generation system installed on reservoirs, dams, rivers, or the sea, covering development, licensing, design, manufacturing, construction, and maintenance. Targeted at utilities, public partners, and large renewable developers seeking land-free solar capacity.
• Rotating Floating Photovoltaic System - Haedori (해도리) BK Energy's flagship IoT-integrated rotating floating PV brand (Haedori). The structure autonomously rotates to follow the sun's movement path using internally developed algorithms based on latitude/longitude, increasing generation efficiency approximately 15% over fixed-type floating PV and up to roughly 30% over land PV, with structural stability, buoyancy UV resistance, ice pressure stability, and algae/evaporation prevention.
• Cultural Tourism-Linked Floating Photovoltaic System (문화관광 연계형 수상태양광) Floating PV installations designed with shapes and patterns (flowers, animals, pictures, letters) to function as tourist attractions while delivering power generation, water-quality improvement (algae prevention, evaporation reduction), and cultural value.
• Floating Photovoltaic Equipment and Components (수상태양광 기자재) Hardware components and structural elements used in floating PV installations, including turntable-based rotating structures, X-shaped mooring systems, and buoyancy bodies engineered to retain more than 80% strength over 100 years and support 50+ years of use. Sold as equipment to floating PV project developers and EPC partners.
• Hydrophilic Inorganic Nano-Ceramic Coating (친수성 무기질 나노코팅) A hydrophilic inorganic nano-ceramic coating applied to solar panel surfaces, inspired by Goryeo celadon glaze technology. Protects panels from salt, humidity, fine dust, coarse dust, and bird droppings; enables natural rainwater self-cleaning; extends cleaning intervals to once every three years and reduces desert maintenance costs by approximately 6x. Effective for 20 years per coating, increases generation efficiency by 5%+, and prevents electrostatic breakdown. Sold as a standalone module to solar developers and partners.
• Headori Agrophotovoltaic System (친환경 영농형 태양광) Agrophotovoltaic system installing solar panels above rice paddies or fields, with panels that fold during fieldwork to enable continued crop cultivation (rice uses only 40-45% of full sunlight, allowing panel layout on just 5.6% of land area). Bundled with photocatalyst-based pesticide-free cultivation technology. Includes a signed export contract with Vietnam's Ministry of Agriculture.
• Ground-Mounted Land Photovoltaic Systems (육상 노지태양광) Ground-mounted fixed PV power generation on vacant and idle rural land, monetized via SMP + REC under KEPCO / Korea Energy Agency / Korea Power Exchange frameworks. Reference plants include Bondang-ri 2,000KW, Boksan-ri 1,300KW, Hwadong-ri 925KW, and Imok-ri 700KW.
• Building Rooftop Photovoltaic Systems (건물지붕 태양광) Photovoltaic systems installed on plant growing facilities and building rooftops, eligible for REC + SMP fixed pricing under the Korean FIT for farmers and 1.5x REC weighting for ≤3MW barn installations using existing facilities. Reference plants include Juhang-ri 800KW mushroom facility (2020) and Anpo-ri 300KW (2021).
• Perfect Waterproof Technology for Rooftop Photovoltaics (지붕태양광 완벽방수기술) BK Energy's patented waterproofing technology for rooftop photovoltaic installations, marketed as a complete waterproofing solution paired with the company's roof PV systems to address leakage risk on building-mounted solar.

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature7 records

Recent moves7 records

Expansion highlights4 records

Direct peers

• Ciel & Terre: French pioneer and global market leader in floating photovoltaic systems (Hydrelio platform). Most direct comparable to BK Energy's floating PV EPC business; both design, supply, and install large-scale floating solar on reservoirs and dams, with overlapping customer segments (utilities, public water authorities) and similar mooring/anchoring engineering focus.
• Ocean Sun: Norwegian floating solar technology company using membrane-based floating PV systems for reservoirs and hydro dams. Closely comparable to BK Energy's reservoir-focused floating PV EPC model, with similar customers (hydro operators, utilities) and similar engineering challenges around mooring and durability.
• SolarDuck: Netherlands-based developer of offshore floating solar platforms, partnered with companies like RWE and marine contractors. Direct peer to BK Energy's rotating and offshore floating PV ambitions (e.g., Swansea 540MW and Goseong 240MW proposals), competing for the same large-scale offshore FPV pipeline.
• S-Energy: Korean solar PV module manufacturer and EPC contractor with both ground-mount and floating PV project references. Most direct Korean-domestic peer to BK Energy, sharing the same REC/SMP revenue model, Korean utility customer base, and government incentive framework.

Broad incumbents

• Sungrow: Global leader in solar inverters and energy storage systems, supplying utility-scale PV developers worldwide. Comparable to BK Energy as a complementary solar supply-chain incumbent in the same utility-scale EPC ecosystem, though Sungrow does not build floating structures.
• Trina Solar: Global tier-1 vertically integrated solar PV manufacturer with downstream project development and tracker products. Overlaps with BK Energy in utility-scale PV EPC and tracker/AI-tracking technology, particularly relevant given BK Energy's under-development AI-integrated land solar tracker.
• Hanwha Q Cells: Korean-headquartered global tier-1 solar module manufacturer with utility-scale project development. Comparable as a broad incumbent competing for large-scale solar EPC and supply contracts in the same markets BK Energy targets, though Q Cells does not specialize in floating PV.
• EDP Renováveis (EDPR): Iberian-origin global renewable energy developer (wind, solar, storage) and a direct commercial partner/buyer of BK Energy's Goheung 200MW project plus 350MW exclusive development. Comparable as a broad incumbent utility-scale renewable IPP and natural customer for BK Energy's EPC output.

Regional players

• Yellow Door Energy: Middle East and Africa-focused distributed solar IPP and EPC. Comparable to BK Energy's Morocco (20MW rooftop EPC + 13.2MW TMU DAM bid) and broader emerging-market international expansion, though Yellow Door is distribution-side focused rather than FPV-specialized.

Emerging players

• Sunlit Sea: Netherlands-based early-stage floating solar developer focused on offshore and high-salinity marine environments. Comparable to BK Energy's offshore and high-UV-resistance focus (Goryeo-celadon-inspired nano-coating), though at a smaller commercial scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about BK ENERGY