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Spidar Vertical Profiler

Spidar uses Pulsed Direct Detect Lidar technology to deliver precise, bankable wind measurement data at a significantly lower cost than Doppler Lidar.

  • Spidar Vertical Profiler
  • Spidar Vertical Profiler Video

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Configuration Options

The Spidar Vertical Profiler is a DNV GL Stage 2 remote sensing wind measurement device that uses Pulsed Direct Detect Lidar technology to provide bankable wind measurement data at 10 vertical heights.

This low-cost remote sensor is ideal for wind resource assessment, wind farm operations, forecasting, research, and meteorological applications. Spidar has the smallest cone angle of any remote sensor in the wind industry, so it can be sited closer to potential obstacles such as buildings or trees. It is also compact and highly portable. This allows Spidar to measure in locations where meteorological towers are not viable due to terrain complexity or permitting constraints.

Spidar is a complete remote sensing solution backed by NRG’s global partner network, technical support, remote power supplies and integrated services for seamless installation and operation. To date, over 150 Spidar Vertical Profilers have been delivered to dozens of wind energy and meteorology customers around the world.

Rental options are available for this product. Contact to learn more.


Each Spidar is individually validated against a reference Spidar to confirm it performs to specification. The reference Spidar is routinely calibrated by a third party in compliance with IEC 61400-12-1 (Ed. 2, Annex L) using MEASNET-calibrated class one anemometers.

Spidar Factory Verification Example

Spidar has been independently verified by several leading wind energy consultants. This includes eight separate tests by DNV GL, who consider it a Stage 2 remote sensing device, capable of adding value to wind farm developments with project finance requirements. If you are interested in reviewing their Spidar position statement, please click on the following link:

Spidar DNV GL Report


Due to its unique measurement principle based on direct detect Lidar technology, Spidar performs strongest at locations characterized by high turbulence and low atmospheric stability. Spidar performance can be poor at locations with prolonged periods of highly stable atmosphere. Accordingly, NRG advises potential Lidar users to deploy ZX 300 Doppler Lidars at measurement sites with this profile due to their proven track record of providing finance-grade wind measurements regardless of the location’s turbulence or atmospheric stability profile.

NRG makes no absolute guarantee of Spidar data availability, due to such site-based variable conditions. All Spidar customers are strongly recommended to consult with NRG before initiating a measurement campaign to confirm that Spidar would be suitable for their site.

Please click here for the Spidar Limited Warranty Statement.

  • Complete remote sensing solution is backed by NRG’s global partner network, technical support, and integrated services
  • Turnkey installations, including remote power supplies
  • Verified DNV GL Stage 2
  • Highly mobile
  • Flexible configurations with accessories to meet project-specific needs
  • Favorable pricepoint when compared to Doppler Lidar

"Spidar’s low cost, robustness, and adaptability to complicated weather and terrain helped pave its way into the Chinese wind power industry, where it has earned an impressive track record with over 200 successful deployments to date. Spidar has continuously contributed to the success of wind farms at all stages of the project life cycle in China, including early-phase wind resource assessment, micro-siting, power curve measurement, and operational troubleshooting. This technology has helped bring added value for wind farm developers, turbine vendors, and wind farm owners."

Andrew Zhao Primanex


We will share all news about our Spidar Vertical Profiler with you.

  Cellular (#14076)
Instrument type Vertical Profiling Direct Detect Lidar (DDL)
  • Wind Prospecting
  • Vertical Uncertainty Reduction (Wind Shear Validation)
  • Horizontal Uncertainty Reduction
  • Ramp Event Forecasting
  • Freestream Operational Reference Measurements
System Verification  
Classification DNV GL Stage 2 Lidar up to 100m, capable of adding value to wind farm developments with project finance requirements.
  • All units factory verified against IEC calibrated reference Lidar.
  • IEC calibration available upon request.
Verified Wind Measurement Performance  
Applicable Wind Speed Range Average results up to 100m range gate from 10 Lidar performance verification tests performed by independent third parties. Achieved using 10-minute averaging interval.
WS Forced Fit Slope 1.004
WS Correlation R² .984
WS Deviation (±m/s) 0.02 @ 10 m/s
WS Deviation (%) 0.23%
System Geometry  
Full Cone Angle 10°
Measurement Height Range 20-200m
Number of Range Gates 10
Range Gate Heights Configurable
Hardware Specifications  
Warranty 2 years*

*Some limitations apply. See Spidar Limited Warranty Statement for details.
Maximum Site Slope 20°
Dimensions Typical installed footprint: 1,092mm x 1,259mm x 1,425mm (43.0" x 49.6" x 56.1")
Weight Shipping Crate:
  • 136kg (300lbs)
  • 1,118mm x 889mm x 1,041mm (44" x 35" x 41")
Electrical Specifications  
Power Consumption
  • > 0°C: 35W
  • < 0°C: 50 to 100W
Supply Voltage 23-32 VDC
Data Specifications  
Data Sampling Rate 14 Hz
Averaging Interval
  • Configurable to record 1-minute or 10-minute averages.
  • Verified wind measurement performance results shown above were achieved with a 10-minute averaging interval
Storage File Format ASCII
Storage Capacity ~3 years
Data Output Options
  • .csv files with 5-second sample data and/or statistical averages delivered via email at configurable interval
  • Statistical averages continuously delivered to SCADA networks via Modbus
Environmental Specifications  
Operating Temp Range -40° to 50°C
Operating RH Range 0 to 100%
Ingress Protection IP65
Eye Safety Classification IEC Laser Class 1M

Customer Service

+1 802-482-2255

Mon – Fri: 8:30am – 5:00pm Eastern Time (GMT-5)