German Engineering · AI-Powered Analytics

Solar is No Longer
a Black Box.

A sensor in every module measures what conventional monitoring can't. Every loss gets a place, a size and a history — and Ray turns it into a plan you can act on.

±1%
Production-module sensor accuracy
15 s
Data refresh per module
5,760
Data points per module / day
sunsniffer.live
SunSniffer · Module Level
25,000 modules · individually tracked
Refresh · 15s
OK97%
Warn2%
Fault1%
01 · Measure Every Module

A sensor in every module.
A reading every 15 seconds.

Everything downstream — every diagnosis, every plan, every euro — stands on measurement, not estimation. Four layers carry the signal from the junction box to the answer.

Layer 1
Module Sensor

Voltage + temperature of every module, every 15 seconds — from inside the junction box.

U + T · 15 s
Layer 2
String Reader

Reads all module signals over the DC line, samples string current 16× per second, hears DC arcs.

I · 16 Hz
Layer 3
Gateway

Moves the plant data to the cloud. Dual-processor watchdog — it restarts itself, not your visibility.

uplink · 24/7
Layer 4
Cloud Analytics

TrueSTC™, DiodeVital™, LossTrace and PVLib run on every reading — continuously, automatically.

5,760 pts / module / day
German Engineering±1% production-module sensor accuracy
Explore the technology
02
See the Loss

Most Plants Can't See
Their Real Problems. Yours Can.

The inverter reports one number for a hundred modules or more — never grounded against irradiation and temperature. You see production is down, but not which modules, and not whether fixing them pays. SunSniffer turns that one number into a decision, in three steps:

1 Today · what you see
Inverter · MPP 04 · 112 modules
−11.5%
Which modules?unknown
Worth fixing?unknown

One number for the whole MPP input. Production is down — that is all it says.

2 SunSniffer · what is there
healthylosingcritical

Every module measured, every 15 seconds — each loss gets a place and a size, whatever the cause: soiling, cracks, diodes, PID, hotspots.

3 The decision · what to do
RepairRecovers / yrCostsROIDecision
Targeted cleaning
470 modules · ≈15% soiling
€3,835€780492%Act now
Warranty batch swap
150 modules · −33% each
€2,720€3,00091%Act — warranty
Scattered small losses
210 modules · −1…−3%
€230€1,90012%Watch
Recovers = extra energy vs. doing nothing × your tariff · costs from your editable price list · warranty swaps: modules free, labor only
Approved work
€3,780 in → €6,555 / yr back

Losses grouped, priced against your 20% ROI rule — act, or leave it.

See the full plan
Did you knowNobody in the field can recognise a module losing less than 5–8%.The science →

Decision figures from the ROI planner example · basis Spain: 1,700 kWh/kWp · €0.08/kWh · 400 Wp modules. In a published Helmholtz comparison, power-loss estimates from thermography carried 8.3% uncertainty — electrical losses below 5% were not reliably identified. Teubner et al. (2017), Energy Procedia 124

03
The Source of Truth

AI Is Only as Good as Its Source of Truth.
Ours Is Physics.

Four engines turn every module signal into evidence: what it delivers, whether it is safe, what the weather allowed, what each loss costs.

TrueSTC
01 · Performance
TrueSTC™

What is each module actually delivering? Live field data becomes a repeatable STC-equivalent number.

TrueSTC™ uses thousands of suitable measurements to compare every monitored module across changing operating conditions — revealing degradation, cleaning effects and event-related changes, without ever removing a module from the plant. Validated against laboratory flashers at 0.82% mean deviation.

How TrueSTC™ works
02 · Safety
DiodeVital™

Is it safe? Detects diode failures before they become fire risk.

Every bypass diode has a switching signature. DiodeVital™ reads that signature continuously — identifying degraded or failed diodes at individual module level, long before thermal runaway or visible damage occurs.

The physics behind DiodeVital™
03 · Weather model
PVLib

What did the weather allow? The open-source reference model from the U.S. national laboratories.

PVLib models the production your site should have delivered from measured irradiance and temperature — the grounding conventional monitoring skips. Measured against modeled, a loss becomes defensible. An open library the industry already trusts, not a proprietary curve.

Why we compute with PVLib
04 · Loss attribution
LossTrace™

Where does the loss sit — and what does it cost? Every loss gets an address and a price.

LossTrace™ attributes every measured loss to its module, sizes it in kWh and euros, and keeps its history. This is where the loss groups, the ROI table and the act-or-leave-it decisions come from.

Follow a loss to its yield
And on top of them · Ray
Ray answers only from what these four engines computed.

Ask in plain language — a performance summary, a warranty report, a portfolio overview. Every answer traces back to a measurement, so you check the trail instead of trusting a feeling.

Meet Ray

Findings are labelled in IEA PVPS Task 13 fault categories — a shared language for operators, manufacturers and insurers. Read the science →

04 · Act on a Plan

Ask Ray one question.
Get the whole plan.

This is the beauty of measuring every module: every loss comes with a location, a magnitude and a history — and a financial impact. Ray — the AI analyst inside the portal — turns that evidence into prioritized work, and the ROI planner checks each action against your economic threshold.

Ask in plain language — no dashboards to learn, no diagnostic trip just to find out where the loss is. Field work starts with a prioritized target; targeted inspection is added where cause, safety or warranty requires it.

SunSniffer Portal · Ray · live plant data
“If we address 80% of the power losses — what needs to be done?”
RAY · MAINTENANCE PRIORITIES27 actions · ~11.5 h
5 Immediate9 Near-term13 Routine
Module 2.4_11ImmediateCritical hot spot — thermal risk review for the string1.5 h
Module 17dda5d0Near-termBypass diode shorted · 32.3% peer-relative loss0.5 h
Module 1.1_11RoutineRelative underperformance — monitor in routine O&M0.25 h
ROI PLANNER · YOUR 20% HURDLE€845 invested → €2,875/yr recovered
Measure every module. Decide by loss group, trend and value.
Watch
Stable or minor loss. Keep measuring.
Remediate
Recover reversible losses — soiling, shading, connections.
Replace
Replace where documented impact or safety justifies it.
Utility-scale solar plant, aerial view
In the Field

Every module on this plant
has a voice.

25,000
modules under live monitoring
15 s
refresh · every single module
24/7
AI analysis in the cloud
Your Call

Your Assets Are Talking.
Are You Listening?

Join the digitization revolution and secure the future of your portfolio.