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QTC Energy

QTC Energy Company Limited

Bangkok, Thailand

Energy StoragePublic
Founded 1996200-500 employees

About

Founded in 1996, QTC Energy is a public headquartered in Bangkok, Thailand with approximately 200-500 employees specializing in Energy Storage.

QTC Energy Company Limited, established in 1996 as Quality Transformer Company Limited, is a publicly listed manufacturer and distributor of distribution transformers on the Stock Exchange of Thailand. The company produces oil-type, dry-type, and super low-loss transformers, along with EV chargers and related electrical accessories. QTC holds ISO 9001:2015 certification and Thai Industrial Standard TIS 384-2543 accreditation. Products are tested and certified by international laboratories including CESI (Italy) and KEMA (Netherlands). The company serves state enterprises including the Metropolitan Electricity Authority and Provincial Electricity Authority, as well as domestic and international private customers. QTC has committed to sustainable energy transition and carbon reduction initiatives, with a SET ESG Rating of AA and recognition in green industry certifications.

Headquarters

Bangkok, Thailand

Founded

1996

Employees

200-500

Company Type

Public

Business Models

B2B

Value Chain

ManufacturingDistributionO&M

Products

Super Low Loss Transformer

Oil Type Transformer

Dry Type Transformer

EV Charger

Certifications & Awards

Certifications

ISO 9001:2015

TIS 384-2543

Awards

SET ESG Ratings

Green Industry Level 4: Green Culture

Sustainability Disclosure Award 2025

Sustainability

AA

ESG Rating

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