Power Up Light, Water, Communications in Emergencies

By Jeffrey R. Yago, P.E., C.E.M. April/May/June, 2019 Preparing for any emergency or future disaster is never easy. What should you prepare against; what is the likelihood it will actually happen; how long will it take...

Installing your own small, remote off-grid solar system

By Jeffrey Yago, P.E., CEM Issue #116 • March/April, 2008 A typical residential-size solar system installation will involve properly sized and installed AC and DC electrical wiring to reduce the risk of electrical fire, a proper...

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 ...

Solar Power 101: Inverters

By Jeffrey Yago, P.E., CEM Issue #89 • September/October, 2004 This article is the third in a series of our beginner's course in solar electricity. Simultaneously we have instituted a Home Energy Information (www.homeenergy.info) section on...

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....

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...

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...

Grid-tied, Grid-connected, Off-grid. What’s the difference?

By Jeffrey Yago, P.E., CEM Issue #140 • March/April, 2013 Several weeks ago I received a call from a woman in Florida complaining that they just had a power outage lasting several days and her solar...

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...

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...

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 system codes — Build it right!

By Jeffrey Yago, P.E., CEM Issue #154 • July/August, 2015 Here, multiple homemade solar modules have caught fire and burned. The further you go into the mountains or rural countryside, the more some people think building codes...

Are hydrogen-fueled cars pie-in-the-sky?

By Jeffrey Yago, P.E., CEM Issue #103 • January/February, 2007 Hydrogen-fueled cars is a topic of much discussion these days. People who want to see the U.S. freed from dependence on foreign oil often assume the...

Add solar power to your truck camper

By Jeffrey Yago, P.E., CEM Issue #93 • May/June, 2005 The recreational vehicle (RV) world is having a major comeback with the influx of baby-boomers. Today's travel trailers, 5th wheels, and motor coaches now include everything...

Solar-powered chicken coop

By Jeffrey Yago, P.E., CEM Issue #132 • November/December, 2011 Pre-manufactured chicken coop with roof-mounted solar module I am sure many of you have raised large flocks of chickens for years as a normal part of rural...

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...