Solar Mango’s Solar Dictionary is a comprehensive, layman-friendly guide to solar energy terms. The Dictionary provides definitions for the key and most common terms used in the solar energy sector in a simple and easy-to-understand manner.




Absorber
Activated Shelf Life
Activation Voltage
ACDB (AC Distribution Board)
Adjustable Set Point
Air Mass (AM)
Alternating Current
Ambient Temperature
AMC (Annual Maintenance Contract)
Ampere Hour
Amperage Interrupt Capacity (AIC)
Amorphous silicon/ a-Si
Angle of Incidence
Anti-Islanding
Anti-reflection coating
Array Ratio
Autonomous system
Azimuth Angle

Backup Power
Balance of System (BOS)
Band Gap
Battery Backup
Battery Bank
Battery Capacity
Battery Storage
Battery Isolator
Battery Life
Battery Self Discharge
Bidirectional Inverter
Bifacial cell
BIPV
Blocking diode
BOO Model
Boron
Bypass diode

Capacity Utilization Factor
CIS
CdTe
Central Inverters
Change over switch
Charge Controller
Charge Rate/ C-Rate
Chemical Vapor Deposition
CIGS (Copper Indium Gallium Solar Cells)
Concentrating Photovoltaics
Concentrator
Contact Resistance
Crystalline Silicon/c-Si
Crystalline Solar Cells
Current at maximum power (Imp)
Cutoff Voltage
Czochralski Process

Days of Storage
DC to DC Converter
DCDB (DC Distribution Board)
Deep Cycle Battery
Deep Discharge/ Deep Cycle Batteries
Degradation or Ageing effect
De-rating
Diffuse Insolation
Diffuse Radiation
Discharge Rate
Direct Beam Radiation
Direct Current
Direct Insolation
DNI (Direct Normal Irradiance)
Distributed Generation
Doping
Downtime
Dual Axis Trackers

Earthing
Energy Audit
Energy Payback Period
Energy Payback Time
EPC Company (Engineering Procurement and Construction)
Equalization
Equinox
EVA (Ethylene Vinyl Acetate)

Facade Installation
Feed In Tariff
Fill Factor
Fixed Tilt Array
Flat-plate Photovoltaics
Float Charge
Full Sun

Gallium Arsenide
Gel Battery
Gigawatt
Gigawatt-hour (GWh)
Glass/Glass Laminate
Grid
Grid-tied Solar Power System
Grid Parity

Heterojunction
High Voltage Disconnect
Hot spot
Hybrid System
Hydrogenated Amorphous Silicon

I Type Semiconductor
IGBT
Infrared radiation
Ingots
Interconnection
Inverter Efficiency
Inverter/PCU
Irradiance
Irradiation
Islanding
I-V Curve

Junction Box

Kerf
Kilo watt
kW Peak
KWh

LT panel
Lamination
LCOE (Levelised Cost of Energy)
Lead Acid Battery
Life-cycle Cost
Light Induced Defects
Light trapping
Load
Load Forecast

Micro Inverters
Module
Module Derate Factor
Mono-crystalline Cells
Mounting Structures
MPPT
Multi-crystalline/ m-Si
Multi-junction Solar Cells
MWh

Net metering
Nickel Cadmium Battery
Nominal Power
Nominal/Normal Operating Cell Temperature(NOCT)
N-type Semiconductor

Off-grid
One Axis Tracking
On-grid
Open Circuit Voltage (Voc)
Orientation
Output .
Overcharging

Passivation
peak capacity
Performance Ratio
Photon
Photovoltaics
Physical Vapor Deposition
P-N junction
Poly-crystalline Cells
Polycrystalline Silicon
Polysilicon
Power Conditioning Unit
Power Electronics
Power Purchase Agreement
P-type semiconductor
Pulse Width Modulated Wave Inverter
PV array
Pyranometer
Pyrheliometer

Qualification Tests
Quartz Sand

Rated Output
Reactive Power
Reflection Losses
Reverse Current Protection
Renewable Energy Certificate (REC)
Resistive voltage drop
Ribbon PV Cells
Rooftop Grid-tied
Rooftop Solar

Schottky barrier
Scribing
Semiconductor
Shading of solar panels
Siemens process
Silicon
Silicon Wafer
Single Axis Trackers
Single phase supply
Single-junction Solar Cells
Smart Grid
Solar Cell
Solar Farms
Solar Grade Silicon
Solar Insolation
Solar Lease
Solar Monitoring Systems
Solar Panel Efficiency
Solar Panels
Solar Spectrum
Solar Water Heating Systems
Sputtering
Square wave inverter
Staebler-Wronski Effect
Stand Alone PV Systems
Standard test conditions
String Inverters
Substrate
Superstrate

 

Tandem Solar Cell
Tariff
Temperature Coefficient
Temperature Compensation
Textured Solar Cell
Thin Film Solar Cell
Three – phase supply
Tilt Angle
Total Internal Reflection
Tracker
Transformer
Transparent Conducting Oxide (TCO)
Transparent Solar Cell
Trickle Charging
Tunnelling
Two Axis Tracking

Ultraviolet
Unit
Upgraded metallurgical-grade Silicon (UMG-Si)
Utility
Utility Interactive Inverter

Vacuum Evaporation
Valence Band
Vertical Multi-Junction Cell
Vmp (Voltage at Max Power Point)
VRLA (Valve Regulated Lead Acid) Battery
Voltage

Wafer
Watt-hour
Watt Peak (Wp)
Wet Cell Batteries
Wheeling Charges

No Words

No Words

Zenith Angle