Certified partners.
Open programme.
Certified with the UK's leading inverter brands. Working with installers, distributors and manufacturers.
✓ Certified
✓ Certified
● Module partnerHow the partners connect.
Certified inverters, module partners and the trade channel around one Archai system.
Certified for use with Solis and Fox ESS single-phase inverters.
Install Archai optimisers on any current Solis inverter, or a Fox ESS single-phase inverter, backed by an official compatibility certificate.
Solis
- Scope
- All Solis inverters
- Status
- Official compatibility certificate
- Issued
- September 2025
- Field proof
- 7.2 kWp residential install, +10–15% on shaded strings
Fox ESS
- Scope
- Fox ESS single-phase inverters
- Status
- Official compatibility certificate
- Confirmed models
- H1-6.0-E-G2 · KH8 (more in test)
- Three-phase
- Ask us — testing ongoing
Approvals and partners.
Independent approvals for the Archai system.
Ofgem Innovation Measure
IM045 · Solar PV substantial innovation measure. Approved 9 January 2026.
JA Solar
Strategic partner. Certified pairing with JA Solar JAM 54/48 DXX panels.
IEC 62109-1 · IEC 61000-6
Gateway safety and EMC standards. Optimiser rated IP68, 1500 V system.
Sell it. Fit it. Grow with us.
Two ways in for the trade, one for manufacturers. Free to join.
Archai Stockist
Trade pricing, matched kits, marketing pack and a Where to Buy listing.
Become a stockistArchai Certified Installer
Training, registration, early access to new products and homeowner leads.
Get certifiedCompatibility partner
Certify your inverter range with Archai and join Solis and Fox ESS on this page.
Certify your rangeHow a range gets certified.
The same route we followed with Solis and Fox ESS.
Agree the range
Models, phases and firmware to cover.
Lab testing
MPPT interaction, shutdown and PLC signal checks.
Live install
UK site trial with full commissioning records.
Certificate
Compatibility certificate issued and published.