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EV Charging Station Construction

Site survey · Design · Permitting · Construction · Inspection · After-sales care

Business EV Charging Station Construction

  • 250sites+ Cumulative sites delivered
  • 1,588units Chargers installed
  • 138units Fast chargers (100kW 92 · 50kW 46)
  • 22.3MW Total installed capacity

Cumulative 2023–2026 · Based on performance certificates issued by clients

  • Fast charging station construction
    FAST CHARGING

    Fast Charging Stations

    We design and build fast charging infrastructure for public institutions, commercial facilities and logistics hubs that require high-capacity power. From KEPCO supply coordination to stable grid connection, we handle it in-house.

    • 50kW · 100kW
    • DC Combo
    • Truck charging
  • Slow and residential charging infrastructure
    SLOW CHARGING

    Slow & Residential Charging

    We build slow charging systems that account for the limited power capacity of residential complexes and office buildings. Existing supply capacity and spatial layout are designed together to minimize the burden of expansion.

    • 7kW
    • Free-standing · Wall-mounted
    • Multi-level basement
  • In-house Electrical Design Load calculation and service design by our own team
  • Built Without Shutting You Down Delivered inside operating semiconductor sites and retail stores
  • Completed in All 5 Regions Seoul Metropolitan · Gangwon · Chungcheong · Honam · Yeongnam
  • Accountable After-sales Care 1-year warranty · 100% contract fulfillment

Flagship Projects

  • Largest single site

    삼성전자 기흥캠퍼스 SDRSamsung Electronics Giheung SDR

    122 units total · 1,677kW capacity

    Scale
    100kW × 7 · 50kW × 4 · 7kW slow × 111
    Configuration
    Distributed across multiple basement levels · split service entrance
    Conditions
    Semiconductor site security zone · built during 24/7 operation
    Completed
    July 2024 (replacement work re-awarded in 2026)
  • Large single station

    인천아시아드 주경기장Incheon Asiad Main Stadium

    3 fast + 27 slow (30 units)

    Power supply
    3 new KEPCO circuits — 284kW · 205kW · 42kW
    Civil & electrical
    Excavation · ELP conduit · grounding · foundations · switchgear · line marking
    Conditions
    Rest-area scale station built from load calculation onward
    Completed
    September 2023 (pre-use inspection passed)
  • Turnkey charging complex

    수원종합운동장Suwon Sports Complex

    4 fast + 14 slow (18 units)

    Power supply
    3 new KEPCO circuits — 256kW · 242kW · 14kW
    Specification
    3-phase 4-wire 380/220V · main breaker 630AF/500AT
    Scope
    Master plan and rendering through to completion
    Completed
    March 2023
  • Retail · repeat awards

    이케아 코리아 — 광명 · 고양 · 기흥IKEA Korea — Gwangmyeong · Goyang · Giheung

    3 stores · truck charging included

    Giheung
    Truck fast charging 50kW × 4 (May 2024)
    Goyang
    2 fast new + 2 replaced · 27 slow (2024)
    Goyang (add.)
    10 fast chargers installed (Aug 2026)
    Conditions
    Built without closing the store · customer routes and safety controlled
  • Prime mixed-use

    IFC몰 여의도IFC Mall Yeouido

    Office · retail complex, basement parking

    Power supply
    3 new KEPCO circuits — 105kW · 98kW · 63kW
    Scope
    Charging bay marking · signage · switchgear · charger installation
    Conditions
    24/7 facility · access routes and noise managed
    Completed
    December 2023

Construction Process

  1. Site Survey01

    Site Survey

    Service entry point · routing · load review

  2. Design and Estimation02

    Design & Estimation

    Drawings · unit-price bill of quantities

  3. Permitting03

    Permitting

    KEPCO application · subsidy administration

  4. Construction04

    Construction

    Conduit · wiring · foundations · charger installation

  5. Inspection and Commissioning05

    Inspection & Commissioning

    Electrical safety inspection · commissioning

  6. Handover06

    Handover

    As-built documents · photos · 1-year warranty

Public Sector References

  • 12sites Government Complexes

    Seoul · Gwacheon · Sejong · Daejeon · Gwangju · Incheon · Gyeongbuk · Gyeongnam · Daegu · Chungnam · Goyang
    Repeat nationwide awards from a single agency

  • 15+ campuses Universities & Hospitals

    단국대 죽전 · 한경대 · 고려대 세종 · 숙명여대 · 경기대 수원 · 김포대 · 고신대 · 인덕대
    건양대학교병원 · 건국대 충주병원 · 광주한국병원

  • Securefacilities Security & Special Facilities

    하나원 (Ministry of Unification) · 경찰특공대 and 9 police stations · 수원 법원 · 고지검
    국립외교원 · 국립현대미술관 (Gwacheon) · 수자원기술

Clients & Authorities

  • PRINCIPAL CLIENTS
    • Humax EV
    • iParking
    • SK ElecLinkPartner registration pending, Aug 2026

    We build charging infrastructure nationwide under annual construction contracts.

  • PERMITTING & INSPECTION
    • KEPCO
    • KESCO
    • Ministry of Environment

    We handle power supply applications, pre-use inspections and subsidy administration in-house.

Talk to Us About Your Site

We propose a charging infrastructure plan tailored to your site conditions.

Contact us +82-31-331-9952
㈜인엠스 INMS Co., Ltd.1F, Gadong, 2 Yeongmun-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, KoreaBusiness Reg. No. : 292-88-02717
Tel : 031-331-9952Fax : 031-331-9996

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