Case Study · Should Costing + Carbon

Hydrogen Systems:
Dryer Vessel Impact.

How a dual cost + carbon model exposed a 32% pricing gap and 825 kgCO₂e of avoidable emissions per vessel across a green hydrogen OEM supply chain.

32%

Cost Gap Closed

$4,650

Savings Per Vessel

50%

Carbon Reduction

8.25t

Annual tCO₂e Avoided

Executive Situation

Client manufacturing 10 MW PEM electrolyser hydrogen plants.

Twin-tower desiccant dryer vessels sourced from high-cost EU supplier.

Sustainability mandate required tracking Scope 3 carbon.

First-principles validation of unit economics required.

Build bottom-up should-cost model (BoM, labour, inspection).

Layer Scope 3 carbon calculation (Materials, energy, freight).

Compare European vs. Asia-Pacific fabrication routes.

Execute fact-based supplier negotiation.

SS 316L shell plate952 kg

Fabrication energy320 kg

Mol sieve desiccant210 kg