Which provider and which contract should I choose before applying for electricity service?

Check whether a single company’s quote includes a mix of different services.

Support for electrical design and notice of planned construction, support for technical reviews of power system impact assessments, preparation and revision of assessment reports, development of energy usage plans, and service connection construction, supervision, and commissioning involve distinct duties and responsibilities. Even if a single company coordinates these efforts, verify that it has the necessary registration, qualifications, and personnel to actually perform the legally mandated tasks.

In the initial stages, select a designer to review the building, site, and power demand, and connect them with the firm responsible for preparing the target assessment. Contracts for construction, supervision, and inspection support should be signed before the work begins, but equipment delivery schedules and operational requirements should be discussed starting from the design phase.

When comparing quotes, start with the deliverables and exclusions rather than the price.

The contract should specify the delivery format for submitted documents, original calculations, and drawings; the scope of responses to agency inquiries and requests for revisions; additional costs for design changes or resubmissions; and conditions regarding data handover, security, and termination. Verify item by item whether external costs—such as agency review fees, facility contribution fees, surveying, and accounting verification—are included.

Rather than relying on statements that private companies unconditionally guarantee passing the grid impact assessment or securing a specific power capacity, it is practically more important to verify the supporting documentation, scope of the application, responsibility for addressing deficiencies, and conditions for handing over the results. Distinguish between the final decision of the regulatory agency and the obligations of the private contractor.

The company database is used as a starting point for comparison.

First, select the required tasks and contract timing from the table below, organized by role. Review the relevant companies in the power, design, or construction contractor database, then verify their track record for the specified voltage and scale, their current registration status, and their actual on-site personnel. Do not assume that a company is an officially designated contractor or capable of performing this project simply because it appears on the list.

If it is difficult for the project owner to distribute data to multiple vendors individually, the scope of the development project manager (PM) will be defined separately. The PM coordinates schedules, data, and vendor tasks but does not substitute for legally required design, evaluation, or supervision qualifications.

Materials to Prepare at This Stage

Address, Capacity, Desired Start Date, Current Application Status
Existing drawings, responses from agencies, and evaluation materials
Required Deliverables, Criteria for Project Completion, and Scope of Corrective Actions

Actual Application and Processing Procedures

The scope of work table categorizes tasks into design, evaluation, construction, supervision, and agency duties.
We verify the registration status, workforce, and track record of similar-scale projects of relevant companies.
We obtain quotes for the same scope and distinguish between institutional costs and private consulting fees.
The contract specifies the terms regarding agency authority, data handover, and conditions for changes and amendments.

Deliverables to be passed on to the next phase

A scope of work document, a contract specifying deliverables and the scope of revisions, and a master schedule.

Which company should I contract with, and for what services?

Architectural, Urban Planning, and Civil Engineering Design Firms

Selection Date: Before reviewing sites and deciding on land contracts
Contract Documents: Site Review and Design Service Contract. The scope is divided into preliminary review and permitting/detailed design.
Deliverables: Review of land use, roads, and layout; table of applicable permits and licenses; master plans and permit schedules
Verify Scope: Scope of additional lots, changes in land use, modifications or transfers of existing permits, and consultations with and supplements from relevant agencies
Selection Criteria: Architect and lead designers by discipline; track record with projects of similar scale and use; responsibility for coordination with other designers

Electrical design firms

Selection Date: Before submitting a notice of intent or an application for a KEPCO technical review
Contract Documents: Contract for Electrical Design and Application Support Services + Power of Attorney for Proxy Application
Deliverables: Load calculation sheets, initial and final power supply plans, single-line diagrams, application documents, and responses to inquiries from KEPCO
Verify Scope: Distinguish between advance notice and technical review support. Specify whether the project includes changes to contracted power and voltage, as well as detailed design of service lines and power receiving equipment.
Selection Criteria: Responsible for operational capabilities at the specified voltage and scale, scope of registration, and incorporating the results of technical review responses into the design

Companies that prepare or act as agents for power system impact assessments

Selection Date: Target Identification and Technical Review Preparation Phase
Contract Documents: Contract for a Power System Impact Assessment. Distinguish between technical review support and the Ministry of Climate’s assessment report tasks.
Deliverables: Scope and Exclusion Review, Technical and Non-Technical Evaluation Reports, List of Supporting Documents, Submitted Documents, Supplementary Documents, and Table of Results Incorporated
Verify Scope: Includes support for KEPCO applications, accounting and tax reviews, the number of times explanations and revisions were provided during deliberations, and whether compliance with conditions and changes were evaluated.
Selection Criteria: November 28, 2025: It was announced that the designation of an agent for the pilot operation would be postponed. At the time of contracting, verify whether the designation system is in effect, as well as the qualifications and responsible personnel; do not rely on the unconfirmed term “officially designated company.”

Companies involved in the formulation and consultation of energy usage plans

Selection Date: After confirming the parties involved in the consultation, and before finalizing the design
Contract Documents: Contract for Support in Establishing and Coordinating Energy Usage Plans
Deliverables: Annual Energy Demand, Supply, and Efficiency Plans; Supplementary Documents, Implementation Plans, and Final Reports
Verify Scope: Scope ranging from adjusting mechanical and electrical design input values, consulting with the industrial complex, incorporating design changes, to verifying compliance after completion
Selection Criteria: Qualifications and registration requirements for the agency in question; track record of data center load and cooling calculations; and whether the original calculation data is provided

Accounting, Tax, and Legal Experts

Selection Date: Before preparing feasibility studies and investment documentation, and prior to major contracts
Contract Documents: Contract for business plan review, tax estimates, and legal/contract advisory services
Deliverables: Basis for calculating funding, investment, and financial contributions; opinions on the review of contract terms
Verify Scope: The verification format, signatures and seals, level of data verification, and responses to additional inquiries required by the applicable evaluation guidelines
Selection Criteria: Professional qualifications and scope of responsibility. Not all projects require the same advisory agreement to be attached as a statutory attachment.

Specialized firms in the fields of environment, disaster management, transportation, and geotechnical engineering

Selection Date: After the target survey, prior to receiving the preliminary assessment
Contract Documents: Contracts for Surveys and Evaluations by Sector
Deliverables: Review of Eligibility, Investigation and Evaluation Reports, and Implementation Table for Supplementary Measures and Consultation Recommendations
Verify Scope: Includes on-site surveys, seasonal and measurement periods, reassessments due to design changes, and whether post-construction surveys are included
Selection Criteria: The ability to link sector-specific registrations, scope of work, and statutory submission and completion deadlines to the overall permitting schedule

Electrical Contractors and Construction Companies by Sector

Selection Date: Prior to formal application submission and related construction work
Contract Documents: Construction Contract + Authorization for Acting as an Agent in Electricity Service Applications
Deliverables: Breakdown and Schedule, Construction, Testing, and Completion Documentation, Pre-Operation Inspection and Power Connection Support Materials
Verify Scope: KEPCO/customer property boundaries, scope of service lines and power receiving equipment, whether fees and agency charges are separate, and responsibility for inspection corrections, delays, and defects
Selection Criteria: Distinguish between registered and actual construction personnel, and between the roles of design and supervision. The selection of an electrical contractor is not considered a uniform, statutory prerequisite for the technical review by the Korea Electric Power Corporation (KEPCO).

Companies Responsible for Statutory Supervision, Commissioning, and Operation

Selection Date: Supervision must begin before construction starts, and requirements for commissioning and operation must be addressed from the design phase onward.
Contract Documents: Supervision Service Contract, Integrated Commissioning Contract, Operation and Maintenance Contract
Deliverables: Inspection and Supervision Reports, Integrated Test Plans and Results, Operation Manuals, Training, and Handover
Verify Scope: Electrical, mechanical, fire protection, and telecommunications interfaces; responsibility for power outage testing and safety approvals; resolution of outstanding issues; and acceptance criteria
Selection Criteria: Supervisory qualifications and independence; distinction between statutory inspections and private trial operations; responsibilities for appointing operational staff and safety managers

Landowners, KEPCO, and infrastructure operators

Selection Date: Upon finalizing the terms for the use and supply of each right,
Contract Documents: Title documents (e.g., land sale, lease, and consent to use), KEPCO electricity service contracts, and relevant water and telecommunications supply contracts
Deliverables: Scope and term of use rights; power capacity, voltage, and supply conditions; scope of water and telecommunications services
Verify Scope: Conditions for final payments and contract termination before and after obtaining permits and securing power supply; right-of-way for power lines; contract succession; and liability for delays and costs. Review the binding nature of LOIs and MOUs based on their specific wording.
Selection Criteria: Consistency between the legal rights holder, the contracting party, and the applicant’s name; actual supply agreement. A contract with a construction company does not replace a KEPCO electricity service contract.

Development PM, CM, Finance, Tenants

Selection Date: When determining business strategies and investment and operational conditions,
Contract Documents: Development management contracts, financial agreements, lease and service contracts, etc.
Deliverables: Overall schedule, cost, and data management; investment prerequisites; tenant requirements and acceptance criteria
Verify Scope: Selection of specialized contractors, coordination of consultations with agencies, and the boundaries of the project owner’s decision-making, as well as responsibilities, compensation, termination, and handover of data
Selection Criteria: The difference between statutory design and evaluation tasks and coordination tasks. Letters of intent to lease and financial agreements are not listed as common mandatory attachments for KEPCO.

Database of Power and Design Companies Construction Company Database Database of Architecture and Construction Management (CM) Firms

Do you have the data, but are you stuck on the next step?

Please let us know your current stage of the application process and the information you have on hand, and we will review the additional tasks, the role of specialized firms, and the procedure tailored to your project site.

Request for Review of Electricity and Permitting Matters