Build your own battery charging station

By Jeffrey Yago, P.E., CEM Issue #142 • July/August, 2013 Completed charging station after sanding and painting Let me guess — the reason many of you do not use rechargeable batteries is that every time you need...

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...

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...

Solar Building Design

By Steven Heckeroth Issue #63 • May/June, 2000 Solar building design has been used since ancient times. In the more recent past, it has been more or less ignored as impractical, complicated, or too expensive. Incorporating...

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 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...

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...

Making and using a solar cooker

By Joe Radabaugh Issue #30 • November/December, 2004 Solar cooking is a delightful alternative to conventional cooking methods. The solar cookers available today really work and they deserve serious evaluation by a much larger audience. For...

Solar-powered refrigerators

By Jeffrey Yago, P.E., CEM Issue #102 • November/December, 2006 In Issue #99, I discussed the importance of using the most energy-efficient appliances you can buy for any remote cabin or off-grid solar application. I also...

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...

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...

Amateur Ham Radio – The Ultimate Tool for Survival Communications

By Jeffrey R. Yago, P.E. N4LPE During any major disaster or grid-down event, communications will not only be critical for coordinating rescue efforts, but could actually save your life by receiving alerts and evacuation instructions. Unfortunately,...

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...

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...

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...

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...