![Page 1: Founded in 2005 Headquarters in Sebastopol, CA Solmetric](https://reader033.vdocuments.us/reader033/viewer/2022060902/6298f767ae3c41271e7f863c/html5/thumbnails/1.jpg)
Founded in 2005
Headquarters in Sebastopol, CA
Solmetric provides the solar industry with high quality, easy-to-
use, accurate tools with embedded technical know-how
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Topics
• Shade Analysis
– Why measure shade?
– Solmetric SunEye 210 shade analysis tool
– SunEye features, measurements, and data
• System Design
– Estimating PV energy production
– Solmetric PV Designer
– Incorporating SunEye 210 shade
measurements
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Why measure shade?
Shading has a disproportionate impact on energy production
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Why measure shade?
Shading has a disproportionate impact on energy production
-What’s happening electrically?
Max power point
Cu
rre
nt
Voltage
Isc
Voc Vmp
Imp
I-V curve
Current x Voltage = Power
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Shading has a disproportionate impact on energy production
-What’s happening electrically?
Why measure shade?
Max Power Point
Cu
rre
nt
Voltage
Isc
Voc Vmp
Imp
I-V curve
Power Diminished Power due to Shade
I-V Curve for
shaded PV
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Why measure shade?
Shading has a disproportionate impact on energy production
Nominal I-V Curve
Actual IV Curve
Actual Power
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Why measure shade?
Accurate shade analysis allows for…
• Accurate Energy
Production Estimates
• Effective PV
System Designs
Selling a Financial Model
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Why measure shade?
Selling a Financial Model
Homeowner – owned
PV Systems
3RD party ownership and financing
Government Incentives PV System
Performance Guaranty Maturing industry
Installer growth and consolidation
New divisions Need for Competitive
Advantage
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Solmetric SunEye 210
SunEye 210 Shade Analysis Tool
• Digital camera with calibrated fisheye lens
• Electronic Compass and Inclinometer
• Worldwide weather data
• Single-Handed Operation
• Rugged, Comfortable Design
• 2 Year Warranty Worldwide
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Operating the SunEye
1) Create a Session
New Session for each site visit
Enter a name and a location
2) Capture Skylines
Enter panel azimuth and tilt
Capture multiple Skylines
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A) Point South
B) Hold Level
C) Press “Snap”
Capturing Skylines
Live Survey Mode
Capture a skyline…
• Every 10 to 15 feet
• At the height of a module
• At the corners of the design area
• At worst case scenario locations
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SunEye Data: SunPath View
Solar Access % of available
insolation after
accounting for shading
Insolation: Solar Energy over
time per unit area in
kWh/m2
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SunEye Data: SunPath View
Tilt and Orientation Factor (TOF):
% insolation
available at actual
panel orientation
compared to
optimum orientation
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SunEye Data: SunPath View
Total Solar Resource Fraction (TSRF):
% insolation
available, accounting
for both shading
(Solar Access) and
orientation (TOF)
TSRF = Solar Access x TOF
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SunEye Data: Monthly Solar Access
Single Skyline Session Average
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SunEye Data: Obstruction Elevation View
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Solmetric SunEye 210
SunEye 210 Features
• Edit mode to add or remove obstructions
• Integrated GPS Option
• Extension Kit Mode
• Desktop software for use on Windows PC
• Export reports for printing and emailing results
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Editing Mode
Simulate…
– Tree trimming
– Tree removal
– Tree growth
– New building
construction
Save as a new
scenario for further
analysis
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SunEye 210 GPS
• Integrated internally
• Automatic Session
location
• Records location of
each skyline
• Reports include file
for Google Earth™
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SunEye Extension Kit
• Trigger measurements
by rotating the pole
• Automatic correction for
azimuth and tilt
• Ready for the next
measurement in a few
seconds
Make measurements up to 18ft from the ground
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Transfer data to computer via USB
• View the data in the same forms as the device
• Easier skyline editing
• Share Sessions with colleagues
• Create reports
• Export files to design tools
• Launch Solmetric PV Designer
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Solar Access and Shade Report
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Expert Tools as a Competitive Advantage
Sales Person visit
• Preliminary design (Extension Kit)
• Sign contract (1-stop close)
Site analysis team visit
• Effective system design
• Accurate production estimate
• Avoid a change order
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Topics
• Shade Analysis
– Why measure shade?
– Solmetric SunEye 210 shade analysis tool
– SunEye features, measurements, and data
• System Design
– Estimating PV energy production
– Solmetric PV Designer
– Incorporating SunEye 210 shade
measurements
![Page 25: Founded in 2005 Headquarters in Sebastopol, CA Solmetric](https://reader033.vdocuments.us/reader033/viewer/2022060902/6298f767ae3c41271e7f863c/html5/thumbnails/25.jpg)
PV String Simulation Model
Irradiance, temperature, wind speed, and shading
Module bypass diode configuration
Sun position, panel orientation (tilt and azimuth)
Module parameters
Inverter parameters
String wiring AC KWh
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Solmetric PV Designer
World-Wide Weather Data
Massive Module and Inverter Database
Automatic Module Layout and Stringing
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Solmetric PV Designer
Arbitrary Roof Shapes
On-roof Obstructions
Setback Distance
Add SunEye Skylines to
generate shade mapping
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Solmetric PV Designer
Accurate Production Estimates
Inverter Limit Check
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Solmetric PV Designer
Generate Reports
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For more information
www.solmetric.com
– Free online tools
– Training videos
– Knowledge base
– Application notes
Contact Solmetric
– Email: [email protected]
– Phone: 1-707-823-4600
– Toll-free: 1-877-263-5026