Category Archives: marginal energy sources
The headline and a page with lots of graphics and associated worksheets come from this PV Magazine article. The underpinning assessment is from GTM Research and their report Trends in Solar Technology and System Prices. Recall that Natural Gas Combined … Continue reading
The story’s at Bloomberg.
Update, 2018-01-16 Vox has a widely acclaimed update to this story. (rubbing hands gleefully) Utility scale bids at Xcel Energy had median prices of 2.1 ¢/kWh for wind-with-storage, and 3.6 ¢/kWh for solar-with-storage. Hat tip to Utility Dive. In U.S. … Continue reading
(Updated, 11th February 2017, 16:15 EST) We heat and cool our home with Fujitsu `ductless minisplit` air source heat pumps. But this is New England, and it’s winter. A common question is how do they do under winter conditions? Well, … Continue reading
Just about a year ago, our home in Westwood began a march towards zero Carbon consumption, with heating, hot water heating, and even lawn mowing all converted to high efficiency electricity. As indicated at the time, our main automobile, a … Continue reading
Today. Flyer. Position yourself to ride the Energy Revolution. Adapt to warming due to human-caused climate change in the Northeast U.S. by changing over your heating and cooling sources. Make Money. Increase the value of your home. Move towards your … Continue reading
I testified to the Massachusetts Department of Environmental Protection (“MassDEP”) yesterday regarding means of enforcing limits as required by the Massachusetts General Laws, Chapter 21N, Section 3(d), otherwise known as (a portion of) the Massachusetts Global Warming Solutions Act, as … Continue reading
In a recent interview, Professor Tony Seba of Stanford University predicted that solar+storage was going to achieve parity with average grid transmission costs by 2022. This is what he called “god parity”, because even if utilities generated at zero cents … Continue reading
From Utilities squeezed as corporations seek renewable energy elsewhere, as seen on Google+: As of September, 62 of the country’s largest corporations had indicated their energy priorities by endorsing the Corporate Renewable Energy Buyers Principles. Other large institutions such as … Continue reading
Professor Tony Seba of Stanford University is a great leader, visionary, speaker, and business expert. He often starts his talks with two successive public domain images to illustrate technological and business disruption. These are shown below. One is a photograph … Continue reading
Many people seem to view the electrical grid of the future being much like the present one. I think a lot about networks, because of my job. And I especially think a lot about network topologies, although primarily concerning the … Continue reading
This is a video and link from The Rocky Mountain Institute about New York State’s Reforming the Energy Visions or “REV”. I have written about REV before.
What New York State is doing, and Massachusetts, apparently not. Cheap supplies of domestic natural gas have driven the New England power plant market toward that fuel and away from the more expensive coal, oil and nuclear material. Limited capacity … Continue reading
(There was a glitch in the original link of this video, leaving it about 11 minutes long. The full hour and 10 minutes is now available.) Karl Rabago is an expert on the value of renewable energy. This talk examines … Continue reading
In a December 2015 article in Forbes, William Pentland seeks to answer the question “What is so revolutionary about Germany’s Energiewende?” Mr Pentland begins: Germany’s energy revolution has become the perennial punching bag of American energy policy. In particular, American … Continue reading