.jpg)
EV Charging Solutions
One-stop Service for Electric Vehicle Charging Stations
ENEX is a leading provider of end-to-end EV charging solutions, serving all user groups — from individual homeowners to large organizations.
We offer EV charger, installation and maintenance of all types of EV chargers, from AC chargers for residential use to DC fast chargers for public and commercial applications. Our chargers support multiple power levels and are compatible with all EV brands.
With our team of experts, we deliver a complete service from consultation, system design, and utility approval to reliable after-sales support to ensuring optimal performance and the best return on your investment.
Permit Application Services
ENEX offers complete permit application services for every type of EV charging station. Securing permits is more than just paperwork—it establishes the foundation for your business to operate legally, safely, and with long-term confidence.
1
EV Charger Test Report Translation and Certification (TISI Compliance)
To ensure that the EV charger complies with the standards of the Thai Industrial Standards Institute (TISI) and can be used in charging station projects applying for the special electricity tariff rates(Low Priority).
This process can be completed by submitting a translated test report and obtaining certification from the Electrical and Electronic Products Testing Center (PTEC) to verify that the charger meets quality standards and is safe for use in Thailand.
2
Application for Registration of EV Chargers in the PEA Approved Equipment List
This is an essential step for manufacturers, importers or distributors who wish to have their chargers recognized in government-related projects or installed within the Provincial Electricity Authority (PEA) system in compliance with regulations. It also enables eligibility for special electricity tariff rates for charging stations (Low Priority).
3
Application for Notification of Exemption / License to Operate an EV Charging Station
An electric vehicle charging station that meets safety and quality standards must be regulated, supervised and authorized by the Energy Regulatory Commission (ERC) to ensure the safety of the electrical system and charging equipment. It allows the station to be installed in various projects without issues and qualifies it for future government support programs such as subsidies or tax incentives while also enhancing the credibility of your charging station.
4
Application for Electricity Meter Installation for EV Charging Stations and Special Tariff (Low Priority)
It provides significant benefits in both energy cost reduction and electrical system management especially for commercial operations or public charging stations. By lowering electricity costs — particularly for stations with high DC charging loads — you can better control pricing for customers and ensure a more cost-effective long-term investment especially for stations with high user demand.
EV Charging Station Consulting & Design Services
Installing an EV charging station is not simply about placing chargers at a chosen location. It requires comprehensive planning—from assessing user demand and identifying target user groups, to evaluating the supporting electrical system
and ensuring compliance with legal and safety regulations.
At ENEX, we provide expert consulting services to help organizations and project owners gain a clear understanding of the entire picture
and select the most suitable approach for their unique context. This includes usage demand, business model, and site constraints. Proper planning from the start reduces risks and avoids costly mistakes that are difficult to fix later.
1. EV Charging Station Design & Consulting Services
From Market Insights to Scalable Infrastructure. We support investors every step of the way from defining target users and conducting market overviews to securing rental spaces within budget. ENEX advises on the right charging technology whether DC fast chargers or AC chargers and delivers safe, stable station and electrical designs. We also plan scalable infrastructure, preparing for future charger expansion and efficient energy management systems that optimize both costs and user experience.
2. EV Charging Station Layout & 3D Design
This stage is a critical part of EV charging station development. It is not only about architectural design or visual appearance but also about defining efficiency, safety, accessibility, and long-term flexibility in management. Proper planning ensures the station can expand effectively in the future. Without proper layout design, projects may face functional limitations and unexpected cost overruns.
3. EV Charging Station Project Management
Smart project management ensures your EV charging station is built on time and within budget. From electrical system design and permit applications to safety measures and system integration, every step matters. With a well-structured plan, you can avoid unnecessary costs, eliminate delays, and enjoy a seamless project from start to finish.
Electric Vehicle Chargers (EV Chargers)
ENEX — Global EV Charger Distributor for Every User Group.
ENEX supplies a full range of EV chargers from leading global brands, tailored to meet the diverse needs of every user. We understand that each customer has different requirements whether for homes, condominiums, offices, restaurants, real estate projects, or businesses with large EV fleets. Choosing the right charger for your application not only ensures maximum performance but also helps reduce energy costs and maximize long-term investment value.
To make your decision easier and more precise, we’ve summarized recommended charger types for each user group in the table below.
Type of EV Charger
AC Destination
DC Destination
DC Fast Charger
Sample
Charge type
-
Alternating Current (AC) charger
-
Powered by household electricity (e.g., 220V–240V)
-
Supports single-phase and three-phase power
-
Direct Current (DC) charging
-
Requires three-phase power only
-
Delivers power directly to the battery without AC/DC conversion in the vehicle
-
Significantly faster charging compared to AC chargers
-
Draws power from a high-capacity electrical system
-
Requires a dedicated electrical design and transformer
-
Includes safety controls, cooling systems, and management software
Charging Level
7-22 kW
20-60 kW
≥120 kW
Target user
General users charging at home,
condo, apartment, hotel or workplace
Restaurants, Cafés, Gyms, Beauty Salons,
Nail Salons, Community Malls
Fuel or Gas station ,Public charging station, Large EV fleet
Usage
Overnight Charging,
Charging During Work Hours
Charging during errands or activities lasting 1–2 hours
For long-distance travel,
For logistics businesses requiring very fast charging
Charging Speed
7- 8 hours
1-2 hours
10–45 minutes, or the fastest possible
Installation Cost
Low cost
Starting from only tens of thousands
Higher cost than AC chargers
starting from hundreds of thousands baht
High cost
starting from several hundred thousand up to tens of millions
Electrical Infrastructure for EV Charging Systems
ENEX provides standard-compliant electrical design and installation services that fully support EV charging systems for residential homes, office buildings, commercial areas, and public charging stations.
Preparing your electrical system properly before installing EV chargers is crucial for both safety and efficiency. Here’s why it matters:
6. Enables smart energy management and cost control.
including effective control of business costs
3. Uses proper equipment that meets utility standards.
Electrical systems must be designed to meet the standards and requirements of the Electricity Generating Authority of Thailand or related agencies, as well as selecting appropriate wiring, breakers, and other equipment for the power required by the charger or charging station.
5. Complies with laws and regulations for safe installation.
Electrical system preparation should be in accordance with the regulations of the Electricity Generating Authority of Thailand or related agencies to ensure correct and safe installation.
2. Provides adequate power for high-load EV chargers.
Electric vehicle chargers (EV Chargers) require higher current than normal use, such as 16-32 amps or more. If the old electrical system, meter or transformer does not support it, it may cause power outages, short circuits, or the charger cannot be used.
4. Improves charging efficiency and stability.
If the electrical system is ready, it will help to charge faster and not affect other electrical appliances in the house or charging station.
1. Ensures safety, preventing short circuits or fire hazards.
An unstable electrical system can cause short circuits, fires or electric shocks. Installation without proper inspection or design can be dangerous to both the user and the home or charging station.
Electrical System Services for Residential EV Charging
1
Upgrading Electrical System for residential
To ensure your home can handle increased electricity demand such as EV Charger which consumes more power than typical household appliances. This process requires approval from the electricity authority and may incur additional costs.
Key steps for upgrading your home electrical system:
-
Assess total electrical load
Calculate the total power consumption including the EV Charger to determine if your existing system can handle the load.
-
Request a larger meter / switch to 3-phase (if needed)
Apply to your electricity provider (MEA/PEA) to upgrade your meter, e.g., from 15(45)A to 30(100)A, and convert to a 3-phase system if planning to use fast charging at 11–22 kW.
-
Upgrade your distribution board and circuits
Replace or add breakers and run dedicated wiring for the EV Charger to support the increased load.
-
Install new main wiring to standard
Use larger cables (6–10 mm²) and ensure proper installation in conduits or cable trays.
-
Install additional protective devices
Include RCBOs for shock protection and ensure proper grounding according to standards.
-
Submit approval to the electricity provider
Electrical plans and reasons for expansion or system change must be attached.
2
Installing a Second Circuit for the EV Charger
To separate the EV Charger from the existing household circuits, ensuring safety and electrical stability. Since EV chargers draw a high continuous current, using the same circuit with other appliances may lead to overheating or overload. A Second circuit prevents voltage drops and ensures smooth operation of other home appliances.
Key considerations for installing a dedicated EV Charger circuit:
-
Run a new or separate circuit
Install wiring from the distribution board directly to the EV Charger without connecting to other circuits for supporting high continuous current.
-
Install a breaker
Use an MCB or RCBO to prevent electric shocks, leakage, and to control the EV circuit safely.
-
Choose appropriate cable size and type
Use THW, NYY, or VCT cables sized 4–6 mm² depending on the charger’s power and distance. Installed in conduits or trays with grounding.
-
Install a sub-panel if needed (EVDB)
If the EV Charger is far from the main distribution board, a sub-panel near the charger may be installed for safety and convenience.
Electrical System Services for EV Charging Stations
1
Low Voltage Meter & Low Voltage System
Suitable for : Small to medium EV charging stations with total current ≤ 400A (e.g., commercial buildings, hotels, condos, or shopping mall parking lots).
Advantages :
-
Easier to monitor and control energy usage.
-
Lower installation cost (no need for high-voltage transformer).
-
Faster permit approval from electricity authorities (MEA/PEA).
-
Eligible for special electricity rates for EV stations, reducing operational costs.
2
High Voltage Meter with Transformer & Complete HV-LV System
Suitable for : Large EV charging stations with total current > 400A, typically requiring high-power DC Fast Chargers with multiple charging points, enabling simultaneous service for a large number of vehicles.
Advantages:
-
Stable and safe operation for high-load applications.
-
Ideal for future expansion and high-demand stations.
No matter the type of electrical system your station requires, ENEX provides end-to-end services
-
Electrical System design & Consulting Services – Assess total load of charger capacity (kW) and design circuits, DBs, protection devices and grounding.
-
Utility coordination (MEA/PEA) – Prepare and submit all documents for new power connection.
-
Professional installation – Install approved systems with RCBO, breakers, and grounding.
-
Inspection & certification – Tested, certified and approved by licensed engineers and utility authorities.
Location Type
ENEX's service
Details
Suitable for
Commercial buildings, Condominiums, Hotels, Malls
Large EV Charging Stations with Multiple fast-charging points.
-
Suitable for small to medium stations with loads up to 400A.
-
Submit new power connection requests and electrical diagram.
-
Install low-voltage system from the utility transformer to the station’s main distribution board (MDB).
-
Designed for large stations with high loads (>400A).
-
Apply for high-voltage power connection (22/33 kV).
-
Install transformers, main distribution boards (MDB), and sub-panels.
-
Engineering approval required for all electrical designs.
-
Provide Electrical protection including surge protection and grounding.
1. Apply for Low Voltage Meter
& Low Voltage System
2. Apply for High Voltage Meter with Transformer
& Complete HV-LV System
EV Charging station
-
Assess total load of the house and EV Charger.
-
Upgrade your meter with the electricity provider if needed.
-
Enhance main wiring from the utility pole for higher loads.
-
Support 3-phase charging by converting from single-phase to three-phase and replacing main wiring.
-
Run a separate circuit from the main distribution board.
-
Install breakers for protection.
-
Choose cable size according to charger power and distance.
-
Ensure proper grounding and electrical protection.
1. Upgrading Electrical System
2. Second circuits
Residential
Residential