At PT. Energi Quarto Indonesia (Quarto), we are committed to delivering comprehensive, environmentally sustainable energy and water management solutions tailored to the unique needs of each client. With over 20 years of industry expertise, our experienced team provides innovative services that drive sustainable efficiency, improve profitability, and ensure compliance with the highest safety and environmental standards. Our solutions include customized chemical treatment programs to optimize water quality and usage, advanced technologies for energy and water management to enhance operational efficiency, and comprehensive support to maximize system performance, longevity, and environmental responsibility.

As a channel partner of Veolia Water Technologies & Solutions and a partner of NIRA (a subsidiary of SUN - Sinar Mas Mining), we leverage world-class resources and technology to deliver top-tier solutions. We are ISO 9001:2015, 14001:2015, and 45001:2018 certified in Industrial Water & Waste Water treatment and occupational health and safety management systems. Quarto integrates environmentally responsible practices into every project, supporting industries across Indonesia—from oil and gas to chemical processing, metals and mining, and power generation. Our projects span prominent sites such as PT Jawa Power, PT Paiton Energy, PT S2P (PLTU Cilacap), PT Freeport Indonesia - Manyar Smelter Project, PT PLN Nusantara Power, PT PLN Nusantara Power Services, PT PLN Indonesia Power, and many more across Indonesia, where we actively help clients achieve sustainable growth and resilience. At Quarto, we believe in empowering businesses to thrive while protecting our planet, fostering long-term industrial sustainability in today’s evolving landscape.

QUARTO

Ahmad Irwiyan Haq

This department oversees daily operations and ensures smooth workflow across various shifts.

Operations Management

This department focuses on the maintenance, operation, and technical support of equipment and facilities.

Technical Operations

This department manages the processes involved in the treatment and purification of water to ensure its safety and quality.

Water Treatment Operations

This department focuses on managing client relationships and ensuring their needs are met effectively.

Client Services

This department oversees the management and execution of operational tasks, ensuring efficient processes and maintenance within the organization.

Operations Group

This department focuses on conducting experiments and developing new chemical processes and products.

QUARTO

Org chart

Teams

Operations Management

Technical Operations

Water Treatment Operations

Client Services

Operations Group

Research and Development

Offices

QUARTO

Org chart

Teams

Operations Management

Technical Operations

Water Treatment Operations

Client Services

Operations Group

Research and Development

Offices

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