
Piping Hangers & Supports
Piping supports and hangers require routine inspection. Interferences with equipment or structures can c...
Tetra Engineering provides comprehensive HRSG freeze protection assessment, engineering, and readiness planning to safeguard combined-cycle plants operating in freezing environments. With decades of experience supporting facilities from Alaska and Canada to Texas and Mexico, we help owners and operators prevent freeze‑related failures, minimize outage risks, and ensure operational reliability under extreme winter conditions.

Tetra Engineering provides comprehensive HRSG freeze protection assessment, engineering, and readiness planning to safeguard combined-cycle plants operating in freezing environments. With decades of experience supporting facilities from Alaska and Canada to Texas and Mexico, we help owners and operators prevent freeze‑related failures, minimize outage risks, and ensure operational reliability under extreme winter conditions.
Cold weather can severely impact HRSG systems and auxiliary equipment. Important issues include:·
These risks pose operational challenges, especially as plants face increasing requirements under NERC EOP‑12 Cold Weather Readiness.


Our project experience includes:
Tetra Engineering Group can provide your plant with expertise to prepare your NERC EOP-12 Cold Weather Readiness submittal:
Tetra has teamed with our partner TG Advisers who provide long experience with Gas and Steam Turbine freeze protection issues complementing our expertise for Steam Generator systems and piping.
With over 20 years of cold-weather support for CCGT plants from Alaska and Canada to Texas and Mexico, Tetra Engineering brings unmatched experience in freeze damage evaluation, keep‑warm design, HRSG system protection, and turbine cold-weather assessments.
Our team understands the challenges of severe ambient conditions, from Arctic wind exposure to sudden freeze-thaw cycles, and provides actionable engineering solutions to protect your assets.
Whether you need a full freeze protection plan, NERC EOP‑12 readiness support, or engineering solutions following freeze damage, Tetra Engineering is ready to help.

We can tailor our services to your needs
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Tetra Engineering is a engineering consultancy working in the power generation sector. We specialise in providing engineering and technical support to owners and operators of CCGT power plants, as well as other thermal plants. We have an office near Nice in France and our headquarters is in Connecticut, USA. We support projects worldwide and this includes hands-on fieldwork and back office engineering analysis...