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Who We Are

Overview

Olletan Electrical is a leading South African manufacturer and repair specialist of high-quality
electrical transformers. Established in 2018 we combine local engineering expertise with
international standards to deliver reliable power distribution solutions across South Africa
and the SADC region. Our Johannesburg-based facilities support full-cycle services—from
custom design and new manufacturing to on-site repairs, refurbishment, and
maintenance—ensuring minimal disruption for clients in utilities, mining, industrial,
commercial, and renewable energy sectors.

Key Strengths

Experience
Over 20 years in transformer technology, with a team of qualified electrical engineers, winders, and technicians.
Quality & Compliance
ISO 9001-certified processes, adherence to SANS 780, IEC 60076, and other global standards; Eskom and industry accreditations.
Capabilities
In-house winding, core cutting, vacuum drying, oil treatment plants, high- voltage testing labs, and rail/road access for large units.
Turnaround
Short lead times for repairs (often weeks vs. months for new imports) and rapid response for breakdowns.
Sustainability Focus
Eco-friendly practices like oil reclamation, PCB-free retrofits, and support for renewable energy projects (e.g., wind/solar step-up transformers).

Vision & Mission

To be the preferred partner in South Africa for dependable, cost-effective transformer

solutions that power progress—delivering superior quality, fast service, and long-term
reliability while supporting local skills development and economic growth.

Core Services

Manufacturing

Repairs & Refurbishment

Maintenance & Field Services

Additional Offerings

Markets We Serve

Shopping Basket