Where Does U.S. Electricity Come From?

Where does your electricity come from? Are you connected and totally dependent on the electrical grid or have you built a net-zero energy home? Does your region rely heavily on coal power like the southeast U.S. or are you blessed with hydro power like the northwest U.S.? We use electricity … continue reading

How much is Clean Energy worth to you?

Southeastern Offshore Wind farm photo-Simulation

Last week I went to a clean energy lunch lecture series on the topic of offshore wind power off the southeastern seaboard of the U.S.  It was very interesting and featured researchers, utility representatives, engineers, and interested public.  A study mentioned at the talk was the Southern Winds … continue reading

Wind Speed data for Residential Wind Turbines

It's not how hard the wind blows, it's where.

The most important decision in buying a residential wind turbine is determining if you have enough wind!  Unfortunately nature hasn’t made determining your average wind speed at the site of your wind turbine that easy.  With Solar PV, calculating your annual solar energy output and solar … continue reading

What is a Bloom Energy Server? How does it work?

Bloom Energy Servers Could Change the World

Today, Bloom Energy launched their Energy Server product and went public with a new website containing much greater detail about the company and their products.  You can read previous posts on the Bloom Box aka Energy Server here.  In this post, I will hit … continue reading

How to Live Off-Grid

Off-Grid Serenity

There are two main things you will need to focus on if you want to live off-grid: using less energy and figuring out how you are going to cleanly produce the energy you do use.

In a recent post titled Fossil Fuel Reduction strategy I covered the three components of reducing fossil fuel consumption … continue reading

Nimby: Chasing a Legacy

Usually when you hear the term “Not in my back yard (NIMBY)!” it refers to opposition against a utility’s plans for a power plant that will offend residents.  The residents are usually fine with the goals of the utility, after all, everyone needs power; they just don’t want to have to see the … continue reading

Best summary of small wind turbine selection

This is best analysis I’ve found if you are seriously considering buying a wind turbine.  This is a re-posting of a blog written by Amy Berry for Green by Design and can be seen here.  Amy can be found on Twitter at @wind2power and helps promote the Windspire Turbine by Mariah Power.  I’ll comment and … continue reading

Want a wind turbine? Use an Anemometer first!

Anemometer

You know those spinney things you sometimes see  on top of weather vanes?  They’re called anemometers and they are measuring wind speed.  Wind speed is by far the most important factor in determining if a small wind turbine will work on your property.  Just because you see flags billowing every now and … continue reading