Emergency solar power for $950
By Jeffrey Yago, P.E., CEM
Issue #73 • January/February, 2002
For less than the price of a desktop computer you can have the piece of mind that your lights and small appliances can operate for months...
Waterpower for personal use
By Rudy Behrens
Issue #16 • July/August, 1992
(This introductory overview to waterwheels is the first of a three-part series. The second installment will be about undershot and no-head wheels, and the third installment ...
7 Solar Water Heating System Designs
By Michael Hackleman
Issue #65 • September/October, 2000
(Rob Harlan is a general and solar contractor with 25 years of experience with solar water heating systems in Mendocino County, California. Rob primarily designs and installs photovoltaic...
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...
Solar suitcase
By Jeffrey Yago, P.E., CEM
Issue #150 • November/December, 2014
Completed solar suitcase project
From time to time, people call to ask what we have for emergency solar power suitable for a bug-out bag. Naturally, my first...
Standby battery charging techniques can ensure engine startups
By Jeffrey Yago, P.E., CEM
Issue #83 • September/October, 2003
Those of us living beyond the suburbs own various sizes and types of yard and garden machinery. From the mandatory riding lawnmower for those weekend warriors...
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 — Solar arrays
By Jeffrey Yago, P.E., CEM
Issue #90 • November/December, 2004
This article is the fourth and final part of our beginner's course in solar electricity. Simultaneously we have instituted a Home Energy Information (www.homeenergy.info) section on...
An $89 backup generator
By Jeff Yago, P.E., CEM
Issue #159 • May/June, 2016
While I strive in all of my articles to only recommend products of high quality and reliability, I realize many of us are on a fixed-income...
Energy class: Part 3
By Jeffrey Yago, P.E., CEM
Issue #113 • November/December, 2008
In Part I of this series of articles, we reviewed how home utility costs will be the next energy source expected to have major cost increases...
Generators alone are not enough
By Jeff Yago, P.E., CEM
Issue #157 • January/February, 2016
When talking to fellow preppers at self-reliance expos across the country, I am always impressed by how many already have long-term food supplies, stored water, medical...
Don’t discount a generator, especially a diesel generator, as your primary power source
By Skip Thomsen
Issue #28 • July/August, 1994
There are three major reasons that wind, solar or hydro-electric systems are impractical for some folks: not enough wind, too many cloudy days, and no stream. In that...
How to select the right backup generator
By Jeffrey Yago, P.E., CEM
Issue #82 • July/August, 2003
Now that the threat of terrorist sabotage to our utility infrastructure has been added to our basic concerns about storm related power outages, this may be...
Solar power for farm and ranch
By Jeffrey R. Yago, P.E.
It may be surprising to learn that there are now all kinds of do-it-yourself solar powered devices specifically designed to make farmers and ranchers lives easier and safer. Many of...
Just for Kids: Sun-kabobs and solar sizzle
By Lucy Shober
Issue #28 • July/August, 1994
Click on pictures for printable, full-sized versions to color.
Picture yourself in this dreamy scenario: It's a hot summer afternoon. The sun is beaming through the shade trees as...
Design calculations for overshot waterwheels
By Rudy Behrens
Issue #18 • November/December, 1992
(For good background information for this article, the reader should read "Waterpower for personal use" in Issue No. 16 and "Design calculations for overshot waterwheels" in Issue No....
