Renewable Energy

The best advice on energy efficiency, solar power, wind energy, living off the grid, and more.

How to Cut the Costs of Going Solar

By Vikram Aggarwal, EnergySage

Over the past few years, the cost of installing solar has fallen dramatically. Today, there are a growing number of financing options and incentives that will help you cut costs even further so you can enjoy all of the benefits of solar.


Community Solar: How to go Solar Without Rooftop Panels

By Vikram Aggarwal, EnergySage

Solar adoption is surging across the U.S., and it isn’t just limited to rooftop solar. The newest innovation in the solar industry: community solar, which offers many of the benefits of a home solar energy system without the need to install solar panels on your roof.


Buying Solar Panels? Check Out These Free Tools

By Sarah Kezer, 123SolarPower

Learn more about what it's like to have residential solar panels.


The Most Important Warranties for Your Solar Installation

By Vikram Aggarwal, EnergySage

Solar energy systems come with multiple warranties that apply to different parts of the installation, and trying to keep track of them all can get confusing. Here’s a simple guide to the different warranties for your solar energy system, and which ones you should really pay attention to.


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Hybrid Home Energy Systems Offer Both Off-Grid and Grid-Tied Benefits

By Eric Hill, Alpha Technologies and Mark Cerasuolo, OutBack Power

For residential electricity users who want to control and master their electrical consumption, as well as business owners and agricultural users, a hybrid approach offers the best of both worlds: reduced or even eliminated utility charges and backup during critical times, without the need to stay totally off the grid with a system that can draw from the grid when necessary to make up the difference.


Are Solar Panels a Sustainable Product?

By Vikram Aggarwal, EnergySage

Your solar panels’ lifespan is long enough to produce decades of renewable energy for your home. Additionally, solar panel recycling options mean that once your system does finally reach the end of its life, you can be confident that your panels won’t end up in a landfill.


How Much Does an Average Solar-Panel System Cost?

By Vikram Aggarwal, EnergySage

If you’re shopping for a solar-energy system, one of your first questions is probably, “How much will it cost?” Reviewing prices for a 5-kilowatt (kW) system is a great place to start — that’s the average system size in the United States.


Energy Pros Weigh In on Future of Solar Power

By Jeanne Roberts, UnderstandSolar.com

A friend of mine participated in the Second-Annual State of the Electric Utility survey. He also shared with me the results of the 2014 survey, which tabulates the opinions of more than 500 electric-utility professionals on the subjects of demand growth, distributed generation, power supply, regulatory models, and a number of other electricity-generation, transmission, and distribution-related issues.