Who We Serve

Generation, transmission, and distribution utilities — as well as leading industrial operations worldwide — rely on Delta-X Research to provide accurate, timely insights into the condition of their high-value assets.

Power Utilities (Generation, Transmission & Distribution)

From investor-owned utilities to cooperatives, power generators to grid operators, utilities across North America and internationally rely on TOA to manage their transformer fleets and reduce the risk of unplanned outages.

Heavy Industry

Energy-intensive industries — mining, oil and gas, steel, and manufacturing — operate high-value transformers that are critical to their operations. TOA provides the same rigorous risk assessment used by the world's leading utilities.

Service Companies

Transformer service companies and testing laboratories use TOA to provide their clients with the most advanced DGA interpretation available, backed by Reliability-based DGA methodology.

15 of the top 20 US utilities are Delta-X Research customers — serving since 1992.

What our customers say

“Delta-X Research’s technical expertise in the field of dissolved-gas analysis (DGA) is on a whole other level from other vendors. Their commitment to the science, their openness to share their knowledge, and their willingness to build a community of users has made them an invaluable partner.”

Mark Christensen
Group Leader | Manager | Substation Technical Field Support
Southern California Edison

“If we prevent one transformer failure by a proactive replacement, the find pays for all services rendered and subscription costs.”

Paul Mushill
Ameren Missouri

Products for your needs

Whether you work with lab samples or online DGA monitors, TOA has you covered.

Transformer Oil Analyst (TOA)

The market-leading solution for managing and interpreting insulating liquid test data, including dissolved gas analysis. Built for utilities and industry that rely on periodic lab samples.

TOA with Monitor Watch

Brings online DGA monitor data into TOA’s analytics engine, enabling advanced analytics on a complete system of record — regardless of monitor brand.

Find out if TOA is right for your organisation

Talk to the Delta-X Research team and see how TOA can work for your transformer fleet.

Book a Demo