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ATEX and IEC Ex Flame-proof Explosion Proof Lighting & Equipment
Explosion Proof Lights
Explosion Proof Motors - Motors for Hazardous Locations
Industrial and Vaporproof Emergency Failsafe Lighting
Industrial Cord Reels and Tool Taps
Industrial Work Area Heaters
Machine Vision Lights
QC Series Industrial Portable Lighting - Quick Change Mount
Rig Lights
Stadium lights
String Lights and Temporary Light Stringers
Tank Cleaning Lights
Three Phase Motor Soft Starters
Vapor Proof LED Lights
Variable Frequency Drives (VFDs)
Vehicle Mounting Plates
Workboat Light Fixtures & Lighting Equipment
Yacht Engine Room Lights
Color Changing LED RGB Lighting
Explosion Proof Cord Reels
GOLIGHT Spotlights
Larson FUTURE - Lease Lighting
Remote Area Lighting and Scene Lights
Utility Bucket Mount, Receiver Hitch & Trailer Mount Lighting
Aevum Control Lighting and Equipment - IIoT
Butane and Solvent Extraction Room Lighting and Equipment
DC to DC Transformers and Power Supplies
Explosion Proof Fans & Blowers
Explosion Proof Paint Spray Booth Approved Lights
Explosion Proof String Lights
Explosion Proof Switchgear & Controls
Fleet Service Lights and Lighting Equipment
Industrial Equipment Trailers
Industrial Handlamps & Droplights
ISO 14644/FS-209E Clean Room Lighting
LED Blasting Lights
Night Time Fishing Lights
Portable AC Power Supply Units
Portable Power Distribution Panels
Power Distribution Panels with KVA Transformers
Self-Contained Lighting
Service Pit Lighting
Solar Generators & Solar Powered Lighting
Agricultural Farm Equipment Lighting & Beacons
Explosion Proof Cameras & Surveillance Systems
Explosion Proof Emergency Lights
Explosion Proof Heaters
Garage & Gas Station Canopy Lights
LED Grow Lights
LED Lights
NDT Ultraviolet Lights
Portable Hazardous Location Lighting
Radio Communication Towers and Equipment
Salt Water Processing Equipment
Shelter & Tent Lighting
Thermal Monitoring Cameras and Systems
48V LED Equipment Lights
ATEX Rated Explosion Proof Lights
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Phase Converters - Single to Three Phase
Marine Shore Power Cords and Equipment
24 Volt Military Lights
Disaster Relief / First Responders / Search & Rescue Lighting
Plastic Handcuff Key
110/120 Volt Flood Lights
Post Mount Spotlights
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Larson Electronics Spotlights
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Black Friday & Cyber Monday Specials
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Work Site Lighting

01/21/19 What Happens to Solar Panels During Cloudy Weather?

Article - January 21, 2019 By

Portable Solar Tower - 16' Mast - (2) 165W Panels, (2) 12V 250aH Batteries, Timer - NEMA 3R

What Happens to Solar Panels During Cloudy Weather?

Solar panels are very effective, when deployed in locations that experience sunny weather. But what about areas prone to rainy and cloudy conditions?

Contrary to popular belief, solar PV systems will still work during hazy outdoor environments. However, there are some considerations that should be accounted for to ensure the panels can generate electricity.

Clouds and Solar Panels

During cloudy conditions, solar panels still harvest sunlight. Generally speaking, PV systems will produce up to 25% of the rated capacity when exposed to cloudy or foggy weather. If you’re powering small appliances and electronics for short periods of time, hazy conditions should not affect such activities.

Locations that frequently experience the “edge of the cloud” phenomenon are in the best position to harvest natural sunlight in hazy conditions. This effect occurs when cumulus clouds pass over the area when the sun is out. The edges of the clouds interact with sunlight, magnifying the beams as they hit the solar panels. Such conditions could actually cause output of PV panels to exceed their rated capabilities.

Optimizing Solar PV Systems for Cloudy Conditions

In order to effectively factor in cloudy weather, it is recommended to consider outdoor conditions on an annual basis. Some cloudy days are expected, regardless of one’s location; therefore, if sunny days exceed the number of expected cloudy days, it could still be worth setting up solar panels to offset electricity usage.

Additionally, homeowners may also consider utilizing panels with thin films, which are designed to address cloudy weather. By comparison, units that rely on crystalline panels are most suitable for areas that experience direct, persistent sunlight. This type of solar panel will still work during hazy outdoor conditions (but not as effective compared to variants with thin films). PV panels with thin films are capable of leveraging a wider range of light.

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