Turnkey hydrogen equipment needs an explicit scope of supply. A complete generator, skid or container does not define every item required at the installation site. Agree which equipment, connections, engineering and services are included before comparing offers or planning site work.
This responsibility checklist is for equipment procurement. It is not a statement that all listed equipment is included in a standard HELE package.
Cover illustration: conceptual scene; configuration varies by project.
1. Draw the delivery boundary
Mark the electrical input, incoming water, cooling connections, hydrogen outlet, oxygen handling, drains, communications and external services on a simple boundary drawing. Name the party responsible on each side of every connection.
Distinguish delivered equipment from an operational site. A supplier’s equipment test and the integrated site’s acceptance should have their own conditions, prerequisites and records.
2. Complete the supply and exclusion matrix
| Scope item | Clarify in the quotation | Allocate responsibility |
|---|---|---|
| Electrolyzer package | Stack, enclosure/skid, internal piping and instrumentation | Equipment supplier and integrator |
| Electrical supply | Rectifier, incoming distribution, cabling and external connections | Supplier and site electrical contractor |
| Water | Treatment, storage, circulation and feed connection | Supplier and site utility team |
| Cooling | Internal circuit, heat rejection and external cooling service | Supplier and site utility team |
| Delivered hydrogen | Separation, drying, purification and pressure boundary | Supplier and downstream process owner |
| Downstream equipment | Compression, storage, regulation and distribution | Named equipment provider and site integrator |
| Site work | Foundations, access, ventilation, exhaust and local approvals | Buyer and qualified site specialists |
| Handover | FAT, installation assistance, commissioning, training and manuals | Named party for each deliverable |
3. Identify options and purchaser-supplied items
For each line, label it included, optional, purchaser-supplied or excluded. Add the relevant specification and quantity. Do not leave essential utilities or downstream treatment inside a general phrase such as accessories by others.
If an item is purchaser-supplied, request the interface requirements and confirm who reviews compatibility. Keep its procurement lead time and readiness date in the project schedule.
4. Assign site and safety responsibilities
Identify the site designer, installer, commissioning lead and local approval owner. Have the competent project team review the proposed location, gas handling, utility arrangements and applicable requirements. The DOE hydrogen safety resources provide context for organising that review.
A container or enclosure should not be treated as automatic evidence that an installation is approved for every environment. Request the documentation relevant to the specific package and destination.
5. Link acceptance to the agreed boundary
Define what factory testing demonstrates, what depends on site utilities and what must be checked after installation. List the buyer’s prerequisites for commissioning and the records required before handover. Assign responsibility for resolving deviations.
Review the PEM system range and use the RFQ checklist to describe your project. For a bare stack purchase, use the separate stack integration checklist.
Request a system quotation with clear boundaries
Send your application, destination, required gas duty, installation concept and utilities. List equipment already available at the site, downstream requirements and the installation or commissioning support you need.
Published by Hele Titanium Hydrogen. Updated 17 October 2026. Equipment options, site services and approval responsibilities require agreement for the actual project.
