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Learn About Renewable Energy

kWh Calculator

kWh Calculator

 Calculator/Tool   

A helpful tool for estimating your electricity usage when you don't have old utility bills handy - and an essential tool for planning a system that will meet your electricity needs.
How to Improve Energy Efficiency at Home

How to Improve Energy Efficiency at Home

 Article   

Improving your home's energy efficiency should be your first step before purchasing a renewable energy system. Every $1 spent on efficiency improvements can save you $3 - $5 on your system.
Components for Your Solar Panel (Photovoltaic) System

Components for Your Solar Panel (Photovoltaic) System

 Calculator/Tool   

A brief description of the major components of a Solar PV System. Note that components vary depending on whether or not batteries will be used in your system. There are additional small components required for a complete installation that are not listed here.
Intro to Solar Electric Systems

Intro to Solar Electric Systems

 Video   

Get to know the pros and cons of each kind of solar electric system: PV Direct, Grid-Tied, Off-Grid, Grid-Tied with Battery Backup, and Hybrid systems.
Solar Power System Components

Solar Power System Components

 Video   

This 4-part video series covers the primary components of a solar power system: solar panels and storage batteries, charge controllers and inverters, solar panel racking, and overcurrent protection.
Introduction to Solar Electricity

Introduction to Solar Electricity

 Article   

Solar electricity does not have to be complicated. However, becoming a PV system owner does require a basic level of understanding, and this article is a good place to start.
Intro to Solar Panels

Intro to Solar Panels

 Video   

This 2-part video series discusses solar panel basics: voltage, current, power, grid-tied vs. off-grid applications, Standard Test Conditions, connecting modules, and mono vs poly solar cells.
Solar Electric Panel Technologies

Solar Electric Panel Technologies

 Buying Guide   

Solar electric panels (or photovoltaic/PV modules) are devices that convert sunlight energy into electricity, but how do you know which one to choose and what are the differences between them?
How to Buy Solar Panels

How to Buy Solar Panels

 Article    Buying Guide   

Are you thinking about buying a solar panel system but don't know where to start? You came to the right place!
Solar PV Panels Overview

Solar PV Panels Overview

 Article   

Solar electric panels (also known as photovoltaic modules) are perhaps the most popular of the renewable energy technologies for home owners. This article goes over some of technical basics behind solar electric panels and how they are used in larger systems.
MC Cable Types

MC Cable Types

 Article   

PV modules often come with special connectors (wires) on the back rather than just a junction box. There are several different types of connectors, and it's important to understand the difference between them.
Inverter Waveforms

Inverter Waveforms

 Buying Guide   

Learn about the different sine waves by seeing oscilloscope images created by various Inverters in action!
How Charge Controllers Work

How Charge Controllers Work

 Buying Guide   

Solar charge controllers are an essential element to any solar electric panel system. At a most basic level, charge controllers prevent batteries from being overcharged and prevent the batteries from discharging through the solar panel array at night.
Increase Solar Charging with an MPPT Charge Controller

Increase Solar Charging with an MPPT Charge Controller

 Buying Guide   

Maximum Power Point Tracking (MPPT) is a popular technology that an increasing number of solar charge controllers offer. While MPPT charge controllers usually cost more than traditional solar charge controllers, the gain in overall charging efficiency makes them well worth it in most cases.
Deep Cycle Batteries Introduction

Deep Cycle Batteries Introduction

 Buying Guide   

Read more about the deep-cycling batteries used in solar and other renewable energy applications and the differences between flooded lead-acid and sealed batteries.
Power Ratings for Common Appliances

Power Ratings for Common Appliances

 Article    Calculator/Tool   

Quickly find the the typical power rating (in Watts) of many common household appliances. Use this information to help estimate how large your alternative energy system needs to be.
The Reality of a Backup Power System

The Reality of a Backup Power System

 Article   

In areas where power outages are common, backup power sources are extremely important. Depending upon what loads you need to run and for what period of time, you may need an actual battery based system.
Solar Air Heating Overview

Solar Air Heating Overview

 Article   

Homes from north Texas to Canada are using solar heaters in conjunction with their normal heating system to reduce their yearly heating bills by as much as 30% - 40%.

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