WMS for Solar PV Plants

Weather Monitoring System

Weather monitoring station for a solar plant

Measured Parameters14Sensor + calculated
Sampling Frequency1HzIEC 61724-1:2021 Class A
Internal Memory8GBCSV format, 5+ years
Expandable Storage32GBVia external micro-SD

WMS for Solar PV Plants

IEC 61724-1:2021 compliant weather monitoring station delivering real-time, accurate and reliable environmental data for solar PV power plant performance monitoring.

Why Weather Monitoring Matters

Energy generation from solar facilities depends heavily on atmospheric conditions, making accurate weather monitoring essential for performance analysis, yield forecasting, and plant diagnostics.

14 Measured Parameters

A single station captures the full set of environmental variables that drive solar PV performance.

Global Horizontal IrradianceGHI
Global Tilt IrradianceGTI
Albedometer
Diffused Horizontal IrradianceDHI
Direct Normal IrradianceDNI
Module Surface Temperature
Wind Speed
Wind Direction
Ambient Air Temperature
Relative Humidity
Barometric Pressure
Rainfall
Cloud Cover
Soiling Loss Index

Built for bankable performance monitoring.

Compliance
1 Hz sampling frequency and minimum 1-second logging interval, meeting Class A sampling and recording standards as per IEC 61724-1:2021 and IEC 61400-12-1:2022.
Multiple Interfaces
SDI-12, RS232 serial, and Modbus RS485 configurable as RTU Master/Slave, plus Modbus over TCP/IP for SCADA integration.
Communication
Wi-Fi, 4G (LTE), GPRS, and Ethernet connectivity for flexible deployment in any site condition.
Time Synchronization
Built-in GPS provides continuous, accurate time synchronization for bankable data logs.
Flexible Storage
8 GB internal memory storing CSV-format data for more than 5 years, plus an external micro-SD card slot expandable up to 32 GB.
Rugged Environmental Protection
Rated for continuous outdoor operation from -40°C to +80°C in harsh climatic conditions.

Technical Specifications

WMS for Solar PV Plants

Compliance

Sampling Frequency	1 Hz
Logging Interval	Minimum 1 second
Standard — Solar PV	IEC 61724-1:2021 (Class A)
Standard — Wind	IEC 61400-12-1:2022

Interfaces

Sensor Interface	SDI-12
Serial Interface	RS232
Fieldbus	Modbus RS485, configurable as RTU Master/Slave
SCADA Integration	Modbus over TCP/IP

Communication

Wireless LAN	Wi-Fi
Cellular	4G (LTE), GPRS
Wired	Ethernet
Deployment	Flexible connectivity for any site condition

Storage

Internal Memory	8 GB
Data Format	CSV
Data Retention	More than 5 years
External Storage	Micro-SD card slot, expandable up to 32 GB

Time Sync

Time Source	Built-in GPS
Synchronization	Continuous, accurate time synchronization
Data Integrity	Bankable, time-stamped data logs

Environmental

Operating Temperature	-40°C to +80°C
Duty Cycle	Continuous outdoor operation
Design	Rugged, built for harsh climatic conditions

Proven at Scale

Deployed across some of the world’s largest solar power plants.

2200 MWAr-Rass 2 Solar Plant, Saudi Arabia
2200 MW utility-scale solar plant relying on Class A weather data for performance monitoring and yield forecasting.
1800 MWDEWA-VI, Dubai, UAE
1800 MW installation at the Mohammed bin Rashid Al Maktoum Solar Park, one of the largest single-site solar parks in the world.
5Countries with deployments
Mongolia · India · Philippines. Proven performance across diverse climates, from arid deserts to tropical and continental sites.

Ready to monitor your solar plant?

Talk to our team about deploying an IEC 61724-1:2021 compliant weather monitoring station for your solar PV power plant.

Request a quote

Standard	IEC 61724-1:2021 (Class A)
Parameters	14 Measured
Operating Range	-40°C to +80°C
Time Sync	GPS
Storage	8 GB internal (→ 32 GB via micro-SD)
Interfaces	SDI-12 · RS232 · RS485 Modbus
Communication	Wi-Fi · 4G LTE · GPRS · Ethernet
Deployments	Saudi Arabia · UAE · Mongolia · India · Philippines

Used in

Questions

Common questions about the WMS for Solar PV Plants.

Is the system compliant to IEC standards?

Yes. The WMS is compliant to IEC 61724-1:2021 for Solar Power Plant Performance monitoring.

How many parameters does the system measure?

A single station captures 14 parameters, including GHI, GTI, DHI, DNI, module temperature, wind, humidity, pressure, rainfall, cloud cover, and soiling loss index.

How is data transmitted and stored?

Data is transmitted via Wi-Fi, 4G LTE, GPRS, or Ethernet, with SDI-12, RS232, and Modbus RS485/TCP for direct sensor and SCADA integration. 8 GB of internal memory retains more than 5 years of data, expandable to 32 GB via micro-SD.

What environmental conditions is it rated for?

The station is built for continuous outdoor operation from -40°C to +80°C in harsh climatic conditions.

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