Battery-Powered Tools are Changing
By Jeffrey Yago, P.E., C.E.M.
April/May/June, 2019
Battery-powered tool technology is now undergoing some rapid changes in both the power of the tool motors and the batteries supplying the added power. For many years most battery-powered...
Walden Pond — the solar version: Part 2
By Jeffrey Yago, P.E., CEM
Issue #100 • July/August, 2006
In the last issue I provided the initial steps required to design your remote cabin or retreat for off-grid power. We also reviewed the types of...
Build your own solar-powered water pumping station
By Jeffrey Yago, P.E., CEM
Issue #91 • January/February, 2005
In the last issue, there was an excellent article by Dorothy Ainsworth on water pumping using mechanical windmills. In this issue I will address another form...
Solar Food Drying
By Marcella Shaffer
Issue #58 • July/August, 1999
The oldest known method of food preservation is drying food using the heat from the sun. Unfortunately it has become the least used as freezers and pressure canners...
Handy Keychain Mini-Gadgets
By Jeff Yago, P.E., CEM
Winter, 2017
I believe when most people think of being prepared, they immediately think in terms of bug-out bags, stored food and water, guns, and generators. However, there can be less...
Use solar landscape lights for emergencies
By Jeffrey Yago, P.E., CEM
Issue #141 • May/June, 2013
Solar-powered landscape lights in dark room.
Note different light patterns and brightness.
People own all kinds of household items that can be used to make life easier during...
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...
Water: a safe supply when you’re off the grid
By Jeffrey Yago, P.E., CEM
Issue #71 • September/October, 2001
That remote mountain property seemed like a steal until you found out you could not drill a well. Four years ago we were approached by a...
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 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...
Energy class: Part 2 — Understanding your electric bill
By Jeffrey Yago, P.E., CEM
Issue #112 • July/August, 2008
In Part 1 of this series of articles, I hopefully made you aware that your home's utility costs should be more of a concern than what...
Solar charge controllers — myths, hype, and facts
By Jeffrey Yago, P.E., CEM
Issue #153 • May/June, 2015
Most people with a basic understanding of solar power are aware they need a solar module and a storage battery to power an electrical device using...
What if the electricity GOES OFF?
By Michael Hackleman
Issue #55 • January/February, 1999
Just as everyone was getting ready to throw the party of the century and millenniumout with the old and in with the newsomeone springs Y2K on us. Power...
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...
Grid-down battery devices
By Jeff Yago, P.E., CEM
Issue #163 • January/February, 2017
Most of my past articles and my just-released new book titled, Lights On, drive home the importance of having multiple battery-powered devices during an extended power...
Millenium Vehicles
By Michael Hackleman
Issue #57 • May/June, 1999
A major failing of transportation worldwide is that 99.9% of vehicles on farms, street, and freeways work on one energy source: liquid fuels. In any disastersmall or large,...






























