Power your bug-out bag

By Jeff Yago, P.E., CEM Issue #160 • July/August, 2016 More and more people are starting to see the advantage of having a bug-out bag for each member of their family. Normally these bags are kept...

A solar primer — How it works, how it’s made, what it costs

By Jeffrey Yago, P.E., CEM Issue #72 • November/December, 2001 Buying a solar power system is not like buying a kitchen appliance or power tool. These, unlike a solar system, have published capacity and performance data...

Grid-tie solar-powered farm

By Jeffrey Yago, P.E., CEM Issue #94 • July/August, 2005 Photo 1: One of two Fronius 3-kW grid-tie inverters. Note the DC-rated safety disconnect and all high voltage wiring installed in metal conduit. Most of my past...

Solar power trailer Part 2

By Jeffrey Yago, P.E., CEM Issue #109 • January/February, 2008 In Part I of this article in the November/December 2007 issue, I described the many uses for a solar power system that could be made totally...

Prepper power! Part 2

By Jeffrey Yago, P.E., CEM Issue #137 • September/October, 2012 I discussed in Part 1 the many reasons why preppers need to think more long-term about providing reliable electric power. I also mentioned that while it's...

Solar Power 101 — Batteries: Part 2

By Jeffrey Yago, P.E., CEM Issue #88 • July/August, 2004 This article is the second in a series of what will be a beginner's course in solar electricty. Simultaneously we have instituted a Home Energy Information...

Build a passive-solar food dehydrator

By Jeffrey Yago, P.E., CEM Issue #143 • September/October, 2013 The finished passive-solar dehydrator maintained a fairly constant temperature of 150° F throughout most of the day without any repositioning, which shows that this design can...

Is steam power in your future?

By Skip Goebel Issue #43 • January/February, 1997 If you're thinking steam is old-fashioned, consider this: Almost a century ago, steam cars and ships attained speeds and efficiencies which are still difficult to attain, even with...

Phantom solar — The crucial invisible system needed before you install solar

By Jeffrey Yago, P.E., CEM Issue #78 • Are you planning to install a solar photovoltaic system to reduce your utility bills? How would you like it if your first solar electric power system had invisible...

A small creek provides plenty of power for this off-grid home

By Scott Gentleman Website Exclusive • November, 2007 For eight years, Tracey and I lived in a solar powered home and for eight cloudy winters, we ran a small Honda generator every week to recharge our...

Homemade electric power

By Jim Van Sant Issue #131 • September/October, 2011 Ever wonder how you could live off the grid when the sun isn't shining on your solar panels? Our homestead alternative energy system is based on 12 volts...

Prepper power! Part 1

By Jeffrey Yago, P.E., CEM Issue #136 • July/August, 2012 The interesting thing about being a "prepper" is most preppers don't want anybody to know they are one! No doubt many fear they will be ostracized...

Walden Pond, the solar version: Part 1

By Jeffrey Yago, P.E., CEM Issue #99 • May/June, 2006 I have been writing solar power articles for many years on every possible application. This has included everything from simple solar chargers for cell phones to...

Solar-Powered Electric Fencing

By Jeffrey Yago, P.E., CEM Issue #147 • May/June, 2014 A new electric fence attached to older traditional wood fencing   More and more people are turning to electric fences as the cost of standard metal and wood...

Build Your Own Car Wash

By Jeffrey Yago, P.E., CEM Issue #133 • January/February, 2012 Completed car wash in operation If someone told me a year ago that I would have a commercial car wash behind my garage, I would have laughed....

Sunny Solutions for north slope applications

By Michael Hackleman Issue #61 • January/February, 2000   Solar-powered pumps have proved their worth for many installations worldwide, anywhere under the sun. However, in the northern hemisphere, a year-around spring located at the base of a...