Transformer Loss, All-Day Efficiency & TCO Calculator

Annual no-load & load losses (kWh) · all-day efficiency · loss cost & CO₂ · 30-year TCO · high-efficiency payback — with the 2029 DOE loss caps. For the US / North American market.

1 · Transformer & Loss Data

2 · Daily Load Profile (24 h)

All-day efficiency & annual energy use a 24-hour profile. Edit load % and hours (must total 24).

PeriodLoad (% of rated)Hours
Overnight
Workday
Evening peak
Late
Hours total: 24

3 · Economics (optional)

4 · Compare a Premium (high-efficiency) Unit

Report

Enter the nameplate losses (P₀, Pₖ) and a load profile, then click Calculate. A planning estimate — confirm nameplate data with the manufacturer.

Want a quoted unit's real losses checked against the 2029 DOE cap and a firm payback? Send the nameplate to TransNine's engineering team.

Low-loss & efficient transformers

Low-loss power transformers SCB18 Grade-1 efficiency Amorphous-alloy (ultra-low loss) Oil-immersed vs dry-type Request a quote