Power & Distribution Transformers

Comprehensive transformer services including diagnostics, preventive and predictive maintenance, repairs, oil processing, installation, assembly, and commissioning for assets up to
750 MVA and 500 kV.

Electrical Testing & Diagnostics

Advanced electrical testing and condition assessment using industry-standard diagnostic methods such as TTR, SFRA, Tan Delta, DGA interpretation, VLF testing, insulation resistance, and functional verification to detect issues before they become failures.

Substations & Grid Infrastructure

Installation, maintenance, modernization, and commissioning of high- and medium-voltage substations, switchgear, GIS equipment, protection systems, power cables, and associated electrical infrastructure.

Renewable Energy & BESS

Specialized engineering services for utility-scale solar farms, wind facilities, Battery Energy Storage Systems (BESS), collector substations, hybrid energy systems, and grid interconnections.

Service Areas

From transformer maintenance to renewable energy commissioning, G&G offers end-to-end field services across the entire lifecycle of electrical assets. Whether supporting new installations or extending the life of existing infrastructure, our engineers deliver solutions built around safety, precision, and long-term performance.

Your assets can't afford downtime. Neither can we.
Talk to our engineering team today.