References & Field Validation

Four site types, three climates, all with continuous operating records

From a utility-scale rooftop through the high electromagnetic noise of a metro depot, to a tropical factory rooftop and a university research plant — all four demanding environments have been proven. At the metro depot, the pilot ran for three consecutive months and acceptance was issued by an independent third party, with figures that can go straight into supplier qualification and demonstration filings.

Utility-scale operationThird-party metro acceptanceTropical high humidityAcademic test baseline

≥99.2%Communication success rate (third-party metro depot acceptance).

≤±0.2VVoltage measurement error (full module set verification).

≤±0.5°CTemperature measurement error (full module set verification).

500,000+Data points from three months of continuous operation.

Four validated site types

These are not laboratory nameplate figures — they are three months of continuous operation

Organised by customer type and site characteristics so each project team can find the closest reference. Specific organisations are not disclosed, in line with confidentiality agreements with our partners.

Rooftop distributed PV array on a factory building

On-site deployment

Distributed rooftopUtility-scale

A utility-scale distributed plant, Southwest China

A rooftop array in continuous operation, used to validate large-scale networking and O&M efficiency. What project teams care about most is networking capacity across multiple roofs and inverters, and room to expand later.

Customer type: a major energy utility
Site type: factory rooftop distributed PV
Deployment: wireless, cable-free, mounted on existing roof structures
System: shutdown devices + LDSW communication + smart network controller + cloud platform
Status: in continuous operation; supports supplier qualification assessment

Discuss a similar project →

Carport PV and installed equipment at a rail transit parking lot

On-site deployment

Metro transitThird-party acceptance

A metro transit depot, East China

Traction return currents create severe electromagnetic interference — one of the hardest environments for any wireless system. Twenty units ran for three consecutive months with a communication success rate of ≥99.2%, and the acceptance report was issued by an independent third party.

Customer type: metro transit operator
Site type: depot carport PV
Deployment: mounted on existing carport structures, no new cable trays, no power interruption
Acceptance: communication success ≥99.2%, voltage error ≤±0.2V, temperature error ≤±0.5°C
Data volume: 500,000+ points over three months
Service life on site: installed along the depot facades, operating for 12+ months

View public building solution →

Factory rooftop PV array in Southeast Asia

On-site deployment

Southeast AsiaHot and humid

A factory rooftop plant, Southeast Asia

A tropical factory rooftop with sustained high temperature and humidity — a natural test bed for equipment endurance. The site runs unattended, relying on offline autonomy and remote platform monitoring, with no drop in data completeness.

Customer type: overseas manufacturer
Site type: factory rooftop distributed PV
Environmental challenge: tropical heat and humidity, continuous online operation
System: shutdown devices + LDSW communication + cloud platform remote O&M
Status: unattended long-term operation, data completeness maintained

View overseas retrofit solution →

Ground-mounted PV array at an experimental PV plant

On-site deployment

Academic comparisonTest baseline

A university research PV plant

Used as the baseline site for multi-protocol comparison testing and independent academic assessment, examining communication reliability and measurement accuracy across different protocol approaches.

Customer type: university research institute
Site type: research PV plant
Purpose: multi-protocol comparison baseline
Dimensions assessed: communication reliability, measurement accuracy

View technology →

Why these sites chose Hisolarmate

The harsher the site, the clearer the difference

Cable-free wireless

Mounted directly onto existing carports and roof structures, with no new cable trays and no power interruption — the deciding factor in whether a retrofit happens at all.

Immunity to interference

A communication success rate of ≥99.2% over three consecutive months under metro traction return currents. Conventional PLC carrier systems tend to distort in this environment.

Unattended operation

Offline autonomy plus remote platform monitoring means overseas and remote sites need no resident staff; terminals keep protecting even if communication drops.

Heat and humidity tolerance

Operating range of −40 to +85°C and IP68 protection; no loss of data completeness under sustained tropical rooftop conditions.

Next step

Which of these is closest to your site? Validate it with a sample first

Scenario-matched documentation, third-party acceptance criteria and sample testing support for your internal review and approval process.

Request a sample Discuss a similar project