Delta-X Research at the NWPPA Engineering & Operations Conference 2026 — Portland

Delta-X Research is at the Northwest Public Power Association's Engineering & Operations Conference and Trade Show in Portland, Oregon this week. Thomas Anderson, Business Development Representative, is representing the company at Booth #105 throughout the event [1].

If you are attending the NWPPA conference, stop by to talk transformer health analytics, DGA methodology, and how TOA and Monitor Watch are helping utilities in the Pacific Northwest and across North America manage their transformer fleets with greater precision.

The NWPPA Conference and Pacific Northwest Utilities

The Northwest Public Power Association [1] represents publicly owned utilities across the Pacific Northwest: municipal utilities, public utility districts, cooperative utilities, and irrigation districts in Washington, Oregon, Idaho, Montana, and neighbouring states. These organisations collectively serve millions of customers across one of the most electrically complex regions in North America, with a generation mix that includes significant hydroelectric capacity, growing wind and solar, and transmission infrastructure that spans challenging terrain.

The NWPPA Engineering & Operations Conference and Trade Show is the region's primary forum for utility engineers, operations staff, and asset managers to exchange technical knowledge, evaluate technology solutions, and engage with regulatory and industry developments. The event's trade show brings together equipment suppliers, testing services, software providers, and engineering consultants who serve the Pacific Northwest utility sector.

Why Transformer Health Matters in the Pacific Northwest

The Pacific Northwest utility sector shares the asset ageing pressures facing the broader North American grid. The bulk of the region's transmission infrastructure was built in the mid-to-late 20th century, and a significant proportion of the large power transformer fleet is now operating well into or beyond its original design life. NERC has identified the concentration of transformer risk, particularly for Extra High Voltage (EHV) transformers that cannot be rapidly replaced, as one of the most significant high-consequence risks to grid reliability [2].

For Pacific Northwest utilities, transformer health management carries additional complexity. Many public utility districts and municipal utilities operate smaller internal engineering teams than investor-owned utilities of comparable asset scale. The expertise required to interpret DGA results rigorously, apply appropriate diagnostic frameworks, and integrate oil analysis findings into defensible maintenance decisions is substantial. The cost of getting it wrong, in terms of both unplanned outages and unnecessary expenditure, is significant.

This is the context in which Reliability-based DGA methodology [3] delivers its most direct value: it provides a systematic, statistically grounded framework for assessing transformer condition and ranking fleet risk that does not require specialist DGA expertise to apply. The CSEV and HF metrics computed by TOA translate a transformer's dissolved gas history into actionable maintenance guidance, updated automatically each time new laboratory results are imported.

What Delta-X Research Brings to the NWPPA Community

Transformer Oil Analyst™ (TOA) is the platform used by 15 of the top 20 US utilities for DGA data management and interpretation. It implements R-DGA methodology as described in published peer-reviewed research [3] and supports the full range of insulating oil test parameters, from dissolved gas through to moisture, acidity, dielectric strength, and furanic compound analysis. For utilities managing mixed fleets of different transformer types, vintages, and ratings, TOA provides a single system of record that applies consistent analytical methodology across the entire fleet.

Monitor Watch extends TOA to process online DGA monitor data. As Pacific Northwest utilities expand their online monitoring deployments, particularly on critical transmission transformers where continuous visibility is most valuable, Monitor Watch provides the analytical layer that makes that data actionable. The same R-DGA framework applied to periodic laboratory samples is applied to continuous monitor data, after signal processing removes noise inherent in online sensor readings. The result is a coherent, consistent asset health view regardless of whether a given unit is monitored continuously or sampled periodically.

Visit Booth #105

Thomas Anderson is available throughout the NWPPA Engineering & Operations Conference to discuss transformer health programmes, TOA capabilities, and Monitor Watch integration. Whether you are evaluating DGA software for the first time, looking to improve an existing programme, or exploring online monitoring for specific critical assets, Booth #105 is the place to start.

To reach Thomas directly or schedule a conversation during or after the event, connect via LinkedIn or use the contact page.

For technical background on R-DGA methodology and CIGRE guidance on transformer condition assessment [4], visit the Science page and Learn page.