Utilities & System Operators
Network planning, system studies, reinforcement studies, and control applications
Power System Studies · Grid Planning · Since 2004
Power System Studies
Power System Studies
& Engineering Consulting
Green Net Power provides power system analysis, transmission planning, renewable energy and microgrid engineering, power quality studies, FACTS control, and electricity tariff consulting.
Power system consulting since 2004
Projects in Korea and 5+ countries
Feasibility studies, design and implementation support
20+ YearsPower system engineering
Established in 2004
Established in 2004
100 MVA-classFACTS coordinated-control R&D
delivered to KEPCO Research Institute and operated on the KEPCO grid
delivered to KEPCO Research Institute and operated on the KEPCO grid
5+ CountriesMozambique · Ethiopia · Philippines · Oman · Paraguay
Grid studies and technical advisory
Grid studies and technical advisory
Professional Engineer OfficeRegistered in Korea
KOITA-recognized R&D center · Venture certification
KOITA-recognized R&D center · Venture certification
Clients & Partners
Who We Work With
Engineering and consulting services for organizations involved in power system planning, development, operation, and research.
Government & Public Agencies
Power-sector planning, feasibility studies, tariff consulting, and project support
Developers & Asset Owners
Grid integration, technical feasibility, microgrid design, and engineering review
Development Agencies & Research Institutions
International development projects, applied R&D, technical training, and laboratory systems
About Us
Power system engineering
Power system engineering
since 2004
Green Net Power Co., Ltd. is a power system engineering and consulting company based in Daejeon, Republic of Korea.
Our project experience includes FACTS control systems delivered to KEPCO Research Institute, a government-funded STATCOM coordinated-control program, 220 kV transmission feasibility studies, national transmission and substation planning, island microgrids, power quality engineering, and electricity tariff consulting.
Project delivery
The scope, input data, study assumptions, analysis methods, results, and recommendations are documented for technical review and subsequent project work.
Study & Design Capabilities
Power flow studies Power Flow
Short-circuit studies Short Circuit
Transient stability studies Dynamic Studies
Transmission planning Grid Planning
Renewable grid integration Interconnection
Hybrid system optimization Microgrids
Power quality studies Voltage Sag
Demand forecasting Load Forecast
Tariffs & power markets Power Markets
Services
Power System Engineering Services
Each scope of work is defined according to the power system, available data, applicable requirements, and project stage.
Power System Studies, Transmission Planning & Tariffs
Power flow, short-circuit, and stability studies for transmission planning, feasibility assessment, and system reinforcement.
- Transmission feasibility studies and shared-use assessments
- Power flow, short-circuit, and stability studies
- Generation, transmission, and demand forecast reviews
- Electricity tariff and cross-border power trade frameworks
Renewable Energy & Microgrid Engineering
Feasibility studies, system sizing, design review, construction supervision, commissioning support, and operating plans for off-grid and island power systems.
- Solar PV, battery energy storage, and generator system sizing
- Community and island power feasibility studies and construction management
- Technical advisory for ADB and other international programs
Power Quality & FACTS
Analysis of voltage sags and other power quality disturbances, equipment impacts, and site-specific mitigation measures.
- Power quality assessments and voltage-sag mitigation design
- Protection of semiconductor, precision manufacturing, and other sensitive process loads
- FACTS control applications, including STATCOM and UPFC
Training Systems & Laboratory Equipment
Design and supply of scaled laboratory systems for power networks and renewable energy applications, together with technical training.
- Microgrid design and operation laboratory platforms
- Grid operation, SCADA/EMS, and FACTS training systems
- Laboratory equipment for universities and technical training institutes
Typical Deliverables
Study reports and technical documentation
Scope and assumptions, input data review, system models, study cases, analysis results, option assessment, recommendations, and technical presentations.
Contact Us →
Project Approach
Study Process
The work program is agreed for each assignment and generally follows four stages.
Scope & Data Review
Confirm the study objectives, system boundary, technical criteria, schedule, interfaces, and available data.
System Modelling & Analysis
Prepare or validate the system model, define study cases, and perform the required power system analyses.
Results & Option Assessment
Review system performance, constraints, technical risks, and reinforcement or mitigation options.
Reporting & Technical Review
Issue the study report, present the results, address technical comments, and support agreed follow-on work.
Study assumptions and limitations
Key inputs, assumptions, study cases, assessment criteria, and limitations are stated in the technical report.
Projects
Selected Projects
Selected assignments in transmission planning, power system consulting, electricity tariffs, renewable energy, microgrids, and FACTS control.
Paraguay National Transmission & Substation Planning
Technical advisory for Paraguay’s national transmission and substation planning, including power system studies and reviews of generation plans, network development plans, and demand forecasts.
Development of an Ethiopian Electricity Tariff Negotiation Framework
Development of a standardized framework for electricity tariff negotiations, covering domestic tariff structures and cross-border power trade.
Oman Power System Reinforcement Advisory
Review of Oman’s power system, generation and transmission development plans, and demand forecasts, including preparation of system reinforcement recommendations.
East Coast Transmission Constraint Mitigation, Korea
Completed an East Coast transmission constraint mitigation study (2023), an assessment of shared use for the Anin Unit 2 transmission line (2023), and a 154 kV transmission-cable slippage assessment (2024).
Mozambique 220 kV Transmission Line Feasibility Studies
Technical feasibility studies for the Namialo–Metoro (2015–16) and Metoro–Palma (2018) sections of Mozambique’s 220 kV transmission network.
Green Energy Town Project, Ethiopia
Feasibility study and construction management for an off-grid hybrid power system combining 250 kW of solar PV, 1,000 kWh of battery storage, and biomass and biodiesel generation.
Cobrador Island Solar-Hybrid Microgrid, Philippines
Technical advisory for the Logbon (Cobrador) Island solar-hybrid feasibility study and expansion planning, including work under ADB Mini-Grid Subproject A.
Automated & Coordinated Control System for FACTS (UPFC)
Developed and delivered a SCADA-integrated optimal operation and control system for the UPFC at Gangjin Substation to KEPCO Research Institute. Also contributed to a government-funded R&D program on coordinated control of a 100 MVA-class STATCOM, including operation on the KEPCO grid at Migeum Substation.
History & Credentials
Company Milestones
- 20+ YearsGreen Net Power established in Daejeon
- 2005Venture business certification and software business registration
- 2006Registered a professional engineer office
- 2007Corporate R&D center recognized by KOITA; government-funded R&D on coordinated FACTS control launched
- 2010Completed a coordinated control system for a 100 MVA-class STATCOM, including operation on the KEPCO grid at Migeum Substation
- 2015–2018Power network feasibility studies and construction management in Mozambique, the Philippines, and Ethiopia
- 2023–2026East Coast transmission advisory; Oman power system advisory (KSP); Paraguay transmission and substation planning (KOTRA); Ethiopia tariff framework (KSP)
Venture Business CertificationTechnology-based venture certification
Corporate R&D CenterRecognized by KOITA
Professional Engineer OfficeRegistered under Korea’s Professional Engineers Act
Energy Audit QualificationIndustrial energy conservation and efficiency audits
Registered Software BusinessPower system analysis and control software
Registered TrademarkGreen Net Power brand registration
Contact
Discuss Your
Discuss Your
Project
Contact Green Net Power regarding power system studies, transmission planning, renewable energy and microgrids, power quality, FACTS, technical training, or electricity tariffs.
ADDRESSRoom 409, AI Center, 272-16 Munji-ro, Yuseong-gu, Daejeon, Republic of Korea
PHONE+82 10-3466-3726
EMAILroundyou@hotmail.com
Project Information
Please include the following information, where available:
- Organization and project location
- Asset or network and required study scope
- Available data and target milestone