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solar panels

Solar Panels Are Not Cell Phones

June 18, 2014 by Max Luke

Solar and Cell Phones

Hold the mobile phone. While solar panels have become cheaper in recent years, they are still the most expensive way to generate electricity, and still far more expensive than fossil fuels, especially in natural gas-rich regions like Africa. Solar has come down in price, but nothing like cell phones.[read more]

What's Bringing President Obama to Wal-Mart?

May 11, 2014 by NRDC Switchboard

Obama and Solar

The President recentlyl visited Mountain View, California’s Wal-Mart to announce big news for solar power and energy efficiency. Wal-Mart is already a commercial leader is solar installations, but is committing to double the number of panels on its store roofs in the next six years.[read more]

Are Solar Panels Facing the Wrong Direction?

November 16, 2013 by Katherine Tweed

Solar Panels and Efficiency

West-facing rooftop solar panels produced 49 percent more electricity during peak demand compared to south-facing panels, according to a new study. The research is the first of its kind to evaluate the energy production of solar panels oriented in different directions.[read more]

Is Sustainability in the Real Estate Industry a Paradox?

November 1, 2013 by Nigel Morris

You’re trying to rent or buy a house, you talk to the real estate agent about the features of the house and you ask some questions. What sort of water heater does it have? Is it insulated? Does it have a water tank? Does it have solar panels? We have all been there.[read more]

Solar Panels (and Energy Efficiency) at the White House

August 28, 2013 by Meredith Fowlie

White House Solar Energy

The Washington Post recently reported that solar panels are being installed on the White House roof. Or, more accurately, re-installed. Jimmy Carter installed a solar thermal system on this roof back in 1979. This was quickly removed by the next tenant, Ronald Reagan.[read more]

Love Solar Energy but Hate Paperwork? Help Is On the Way.

August 3, 2013 by NRDC Switchboard

Solar Panel Installation

When I put up solar panels on my house several years ago, the process was, if I may speak plainly, a royal pain. In the end, it was worth it to be able to generate my own, pollution-free energy, but every step seemed designed to make my life more difficult.[read more]

Are Solar Panels Worth the Cost?

June 14, 2013 by Veronique Bugnion

Solar Energy Cost


Faced with a choice between installing a few solar panels on a roof and planting a few trees near the house, could the low-tech option be more energy and financially efficient?[read more]


Energy Debate Redux: Will the Grid of the Future Run on DC Power?

June 13, 2013 by Jesse Jenkins


Do you have a solar system at the home? An electric car in your drive way? Smart phones, tablets, game consoles and other electronics proliferating in your home?[read more]

EU Tariffs on China Solar Panels Loom as Talks Fail

May 29, 2013 by Herman Trabish

EU-China solar trade war?

The tariffs will average 47.6 percent and will affect 100-plus Chinese manufacturers found by an EC investigation to have been involved in dumping solar products at market-breaking low prices in the European Union.[read more]

Solar Energy Industries Association Responds to China Trade Dispute

May 22, 2013 by Zachary Shahan

Solar Energy Industries Association

There is clear evidence that disputes within one segment of the industry affect the entire solar supply chain. What’s more, they cause a ripple effect throughout the economies of the United States, Asia and Europe.[read more]

EU to Hit China Solar Panel Makers With Anti-Dumping Tariffs

May 13, 2013 by Herman Trabish

EU vs. China

The European Union is moving ahead with tariffs on imported Chinese solar panels in an effort to protect its own module makers, imposing anti-dumping charges similar to those imposed last year by the U.S.[read more]

California’s photovoltaic push

July 9, 2010 by Todd Woody

photo: PG&E I wrote this post for Grist, where it first appeared. Amid the hullabaloo over government-chartered mortgage giants derailing the green financing program known as Property Assessed Clean Energy, or PACE, the march toward distributed generation of renewable energy – that is, generating electricity from...[read more]

Myth #1: Renewable energy can generate all the world’s energy needs

January 8, 2010 by Margaret Harding

There have been some commercials that talk about the idea that all the energy needed to power human endeavor falls on the surface of the earth from the sun in a few minutes each day. Let’s examine this claim more critically and see where it takes us. First, let’s get the definition of renewable clearly in mind. As I understand the...[read more]

DIY Solar Part 3: System Components

October 22, 2009 by WattHead Guest Contributor

DIY Solar Part 3: System ComponentsIn our previous posts we talked about the design process and then different kinds of systems to choose from. Now let's talk about the system components that you need to be aware of before tackling a project like this. Many people believe that you just get some panels and wire them into the electrical...[read more]

Deciding If Your Home Is Right For Solar Panels

October 1, 2009 by WattHead Guest Contributor

If you're trying to reduce your energy consumption and go green, you've no doubt considered installing solar panels or a solar power kit on your home. There are a few things you should consider before calling a contractor or thinking about installing a system yourself. To get the most out of your system you'll need to ensure you have the...[read more]