Heartwood Nuclear Engineering

Perspectives

Sequencing license amendment requests on a fleet

licensing · April 2026

Fleet operators rarely think of LAR sequencing as a strategic decision; the regulator does. Two changes we suggest to almost every fleet program in the first quarter of an engagement.

SMR pre-application engagement realism

advanced · March 2026

The pre-application engagement timeline most SMR developers carry into the first NRC meeting is optimistic. We sketch what we now use as a planning baseline.

PRA update discipline before peer review

PRA · February 2026

The peer-review findings that surprise utilities most often are the ones that come from the data update, not the model update. Our checklist for what to lock down first.

RI-ISI program design that survives operator turnover

risk-informed · January 2026

RI-ISI programs are designed for engineers who will not be in the role when the next inspection cycle comes around. We design for the next engineer, not the current one.