Solar Photovoltaic Systems

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Grid Tie Inverters with Battery Backup

This image shows the required components for a grid-interconnected system with a battery backup; this is called grid-interactive operation. The arrangement provides power from the battery during grid Read more »

How much Sunlight do Solar Panels Need?

Available sunlight differs every day with factors like clouds, smog, humidity, rain and seasons. There is often excess sunlight during the summer and not enough during the winter, depending on Read more »

Safe Handling of Batteries

Hydrogen Gas ProductionWhen you connect a battery to a voltage source, electrons are pushed into the cells to recharge them. A battery that uses a liquid electrolyte will not be able to absorb further Read more »

Articles from A to Z



Adapting to Your Solar Resource
Advantages of Photovoltaic Solar Installations
Are you up for Solar Electricity?


Batteries and Controllers
Battery Backups for Solar Electric Systems
Battery Cable Wiring for PV Systems
Battery Voltage Regulation for PV Systems
Best Temperature for Batteries


Can I simply switch to Solar Power?
Compelling Reasons for Renewable Energy
Connecting Your PV System
Connecting your PV System Part 2


DC Wiring for PV Systems
Deep Cycle Batteries and Discharge
Designing a Solar Photovoltaic System
Designing Grid Tie Photovoltaic Systems
Determining Scope of a PV System
Different Configurations of Solar Systems
Dimensions of a Solar System
Do We Have Enough Fuel For The Future?


Efficiencies of Solar Arrays
Equalizing Battery Charging


Financing for Solar Systems
Fossil Backup Power


Generators & Energy Meters
Grid Connected Inverters
Grid Tie Inverters with Battery Backup
Grid-Tie versus Stand Alone Solar Systems


How do Batteries Work?
How do I read my Electric Meter?
How does an Inverter work?
How does an Off-Grid Solar Electric System Work?
How much Sunlight do Solar Panels Need?
How Temperature affects Solar Panels
How to calculate Solar PV Requirements?
How to Connect Your PV Inverter
How to determine the Capacity of your Solar Array
How to measure Power Consumption of your Home
How to mount Solar Panels
How to position a Solar Installation
How to Position Batteries and Inverters
How to Position Solar (PV) Modules
How to Size PV Battery Backups
How will Solar look on my Roof?


Inefficiencies and Capacity Issues in PV Systems
Inverter Output Voltage
Inverter Surge Capacity
Inverters and Electrical Equipment
Is Solar allowed on my Roof?


Lifespan of PV Modules


Maintenance of Solar PV Modules
Measurements of Electricity


Obstructions on Solar Installations
Options for Backup Generators


Photovoltaic Electricity
Photovoltaic System Grounding
PV Energy Requirements
PV System AC Disconnects


Safe Handling of Batteries
Site Surveys for PV Installations
Sizing a Solar PV System
So how much does a Solar System Cost?
Solar Energy is an Investment
Solar Panel Types
Solar Photovoltaic On Grid or Off Grid?
Solar Power Return on Investment
Sun Path and Obstacles on a Solar Installation
Sun, Earth and Solar Siting


The Basics of Photovoltaics
The Cost of a Solar PV System
The Path of the Sun
Tools to Define the Solar Window
Types of Solar PV Panels


Understanding Battery Capacity
Understanding Your Solar Resource


What Are Air-Based Solar Collectors?
What are Battery Charge Controllers?
What are Diversion Loads?
What are Inverter ratings?
What are Solar Panels?
What can I do with the my Solar Window
What generates Solar Power
What is a "Grid-Tied" Electrical System?
What is a Battery Float Stage?
What is a Grid-Direct Solar Electric System?
What is a Net Zero Home?
What is Electricity?
What is Inverter Capacity?
What is Maximum Power Point Tracking?
Whats is Solar Irridiance?
Wiring for PV Systems
Wiring of a PV Array