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...

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...

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...

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...

Build a simple solar-powered outdoor light

By Jeffrey Yago, P.E., CEM Issue #92 • March/April, 2005 Figure 1. Pole-mounted street light showing a front view of the solar light In our last issue, I discussed how to use solar energy to power a...

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...

Our journey to modern off-grid living

By Jackie Clay-Atkinson Issue #177 • July/August/September, 2019 We’ve lived off the grid for decades. Throughout the years, we’ve traveled the path from living a very rustic lifestyle with few amenities to our current off-grid homestead...

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...

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...

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...

Powering medical equipment during a utility blackout

By Michael Hackleman Issue #70 • July/August, 2001 Most people consider blackouts a nuisance. However, for some folks, a blackout can be paralyzing or even deadly, particularly if a critical piece of medical equipment lacks electricity....

Install a mobile, solar powered toilet

By Jeffrey Yago, P.E., CEM Issue #79 • January/February, 2003 When our solar business started to really increase, I found myself spending more and more time in my truck traveling down the highway to very remote...

Water pumping windmills

By Dorothy Ainsworth Issue #90 • November/December, 2004 Standing tall like a giant sunflower in a sea of undulating prairie grasses, or in any rural setting, a windmill is a thing of beauty. Not only are...

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...

Power Up

By Jeffrey R. Yago, P. E., C.E.M. Spring, 2019 During any emergency or related power outage, the most important electronic device you need to keep operating is your cell phone, at least as long as cellular...

Portable solar power

By Jeffrey Yago, P.E., CEM Issue #134 • March/April, 2012 Fold-up solar modules now available in many sizes As the cost of solar cells has declined, the industry has started to increase the physical size of individual...