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Dealer Inquiries BergeyBergey Welcome 1000 Watt Home Wind ➧ 5-Year Warranty (Industry’s Longest) ➧ Maintenance Free Design ➧ Excellent Low Wind Performance 24 VDC ➧ Nearly Silent Operation Battery Charging ➧ Three High-Strength PowerFlex Fiberglass Blades, SH 3045 Airfoil* ➧ Neodymium Super-Magnet Alternator ➧ AutoFurl “No Worry” Storm Protection ➧ Fail-Safe Design, No Dump Load Required for Structural Safety ➧ PowerCenter Multi-function Controller ➧ OptiCharge Regulation for Extended Battery Life ➧ Easy Installation with BWC Tilt-up Towers *Patent Pending The all new Bergey XL.1 is the most technically advanced small wind turbine ever. It combines excellent low wind performance and the $1,695 legendary Bergey ruggedness, at costs well below the lightweights. It comes from the BERGEY•DIRECT www.bergey.com world’s leading supplier of small wind turbines and is backed by the longest warranty in the Or, Call Toll Free: business. The XL.1 delivers on value. 1-866-BERGEYS PowerCenter Controller Compare features, performance, price, Complete AC “Plug • 60A Wind Regulator reputation, and warranties. The new Bergey • 30A Solar Regulator & Play” Systems • 30A Optional Dump Load XL.1 is the clear choice for your home energy from $2,995 • 24 VDC DC Bus system. • Battery Status LEDs 4 Times More Energy Than the Air 4031 1.8 Times More Energy Than the Whisper H402 1–Air is a registered trademark of Southwest Windpower, Inc. 11.2 mph (5 m/s) Average Wind Speed at Hub Height, Rayliegh Distribution. 2–Whisper is a registered trademark of Southwest Windpower, Inc. Based on manufacturer’s published power curves. 2001 Priestley Ave. Norman, OK 73069 T: 405–364–4212 F: 405–364–2078 [email protected] WindPower SIMPLICITY•RELIABILITY•PERFORMANCE WWW.BERGEY.COM © 1999 Bergey Windpower Astropower four color on negatives full page “independent ad” from HP80 page 21 this is page 5 HOME POWER THE HANDS-ON JOURNAL OF HOME-MADE POWER Issue #84 August / September 2001 Features More Features 10 Solar Earthship 56 African Solar Solution Jeffrey Evans installed the Grace Birnie’s job in Benin, renewable energy system in West Africa took her to a his earthship six years ago. small village. A simple In that time, he has learned photovoltaic system powers a lot about load manage- a computer for work, and her ment, efficiency, and exactly home appliances too. what can be expected from RE. His commitment to 64 Solar Logging...Really renewables has paid off with Rico and Mary Meleski use comfortable independence. solar electricity to help them clear trees, and mill the lumber without the use of 22 Bigger and Better gasoline. America’s preoccupation with more is not often a 88 Propane Generator good thing. But when it Conversion comes to solar energy, we Herb Levitin installs a have no complaints. Steve propane conversion kit on a and Debra Davidson 5 KW Generac generator. installed almost 20 KW of photovoltaics to power their GoPower Georgia plantation home. 98 Debunking the Myths 34 What Blackout? There are a lot of Joe Schwartz and Richard misconceptions—both Perez design a battery and positive and negative— inverter backup power about electric vehicles. Shari system for carrying you Prange aims for the truth. through pesky periods of Why Convert? utility ineptitude. The perfect 104 beginnings of a renewable What are the environmental energy system. and economic benefits of turning a dying gas car into an EV? Mike Brown knows. 44 Solar Hot Water Basics Ken Olson kicks off a new focus in Home Power by Homebrew introducing the basics of solar hot water systems, the 74 LED Flashlight Conversion equipment, and pros and Peter Jones converts a three cons for various climates. C-cell Mag-Lite to LEDs. Cover: Blackouts affect thousands, everywhere and every year—how will your house look during the next one? Guerrilla Solar More Columns Access and Info 82 Guerrilla 0015 116 Power Politics Access Data Home Power Somewhere in an unnamed PG&E goes bankrupt, right PO Box 520 Canadian city, PVs hang on schedule. Ashland, OR 97520 USA unobtrusively from an Editorial: Independent Power apartment building balcony. 120 Phone: 530-475-3179 Providers Fax: 530-475-0836 Fuel cell misrepresentation; Subscriptions and Back Issues: Things that Work! California and RE rulings; 800-707-6585 VISA / MC 541-512-0201 Outside USA grid-tie inverters; more. 84 A Big Brand Refrigerator Advertising: Phone: 800-707-6585 Finally the big timers are 124 Code Corner or 541-512-0201 Outside USA learning. This 18.5 cubic Kinds and uses of Fax: 541-512-0343 foot Maytag refrigerator is overcurrent devices. Email: [email protected] efficient enough for use in a Web: www.homepower.com solar-powered home! 128 Home & Heart Paper and Ink Data Mice ain’t nice! Cover paper is 50% recycled (10% postconsumer / 40% preconsumer) Wrench Realities 136 The Wizard Recovery Gloss from S.D. Warren Paper Basic principals of Wizardry. Company. Welding Cable Viability Interior paper, Pinewood Web Dull, a 55# 92 50% postconsumer, ECF, manufactured The truth about UL listing 150 Ozonal Notes by Crown Vantage, a peroxide/oxygen and using welding cables for Richard Perez has based mill in St. Francisville, Louisiana. Printed using low VOC vegetable based batteries. flashbacks. Also, Jason sees inks. the light. Printed by St. Croix Press, Inc., They Do It on RE! New Richmond, Wisconsin Regulars Legal 96 Amazing Uses of RE Home Power (ISSN 1050-2416) is 8 From Us to You published bi-monthly for $22.50 per year A solar-powered glass at PO Box 520, Ashland, OR 97520. armonica! International surface subscription for 80 HP’s Subscription Form US$30. Periodicals postage paid at Ashland, OR, and at additional mailing 81 Home Power’s Biz Page offices. POSTMASTER send address Comm Power corrections to Home Power, PO Box 520, Ashland, OR 97520. 132 Happenings—RE Events 108 Remote Internet at Last! Copyright ©2001 Home Power, Inc. All rights reserved. Contents may not be Welcome to StarBand, the 138 Letters to Home Power reprinted or otherwise reproduced without solution for off-grid access. written permission. 153 Q&A While Home Power magazine strives for clarity and accuracy, we assume no responsibility or liability for the use of this Columns 156 Writing for Home Power information. 157 MicroAds 114 Word Power This paper is recycled and recycleable. Parallel circuits defined. 160 Index to Advertisers People Mike Brown Drake Chamberlin Sam Coleman Windy Dankoff Jeffrey Evans Liz Gillette-Ford Eric Grisen Kathleen Jarschke-Schultze Peter Jones Todd King Stan Krute Don Kulha Tom Lane Herb Levitin Star Power Don Loweburg Ken Olson At the Arcata Renewable Energy Fair Karen Perez The tenth annual Arcata (California) Renewable Energy Fair was held in Richard Perez late April. For the past ten years, we have tried without success to get Jason Powell celebrities to come to the fair, knowing what star power can do to boost interest and attendance. Shari Prange This year we found out that Woody Harrelson, well-known actor and Benjamin Root activist, would be coming through town during the weekend of the fair, and Connie Said he agreed to speak. Harrelson was on a “Simple Organic Living” (SOL) Joe Schwartz bike/bus tour that started in Seattle, Washington and ended in Santa Barbara, California. His tour was intended to demonstrate that the planet Linda Tozer will not survive unless we all choose to live lightly on the earth. Harrelson Wightman Weese walks his talk (or rather rides his talk). He bicycled the entire tour route, and he runs his support bus, called “Mothership,” on hemp oil and Michael Welch vegetable oil (biodiesel). John Wiles Harrelson buys organically grown hemp clothing, runs all the Mothership Dave Wilmeth appliances on solar electricity, and eats only organically grown foods. He Ian Woofenden was very pleased with his visit to Arcata, especially when he found out that CCAT would donate 250 gallons of their biodiesel (see HP82, page 58) to Rue Wright replenish his fuel supply. William Zeitler In all the years of the Arcata Renewable Energy Fair, we have never had a Solar Guerrilla 0015 larger crowd than the 2,500 who arrived to hear Harrelson’s important message. Harrelson fired up the crowd, big time. By the time Woody was done, it felt like many in the audience were ready to change their ways. “Think about it…” You and I can make a difference, but celebrities like Harrelson can have a broad ripple effect. The bottom line? If you run an RE fair, it really helps to do whatever it takes to bring in the extra attendance—including attracting a Desert and tundra are big name to the event. ecosystems, but without PV, your rooftop is a wasteland. –Michael Welch –Eric Grisen 8 Home Power #84 • August / September 2001 ' ( ) **&&& +( ) ,** ) - &. // 0 !" #$ %& % %& A Division of ARISE Technologies Corporation Jeffrey Evans ©2001 Jeffrey Evans The Evans earthship in Colorado is powered by renewable energy and built with recycled and earth-friendly materials. iving with renewable energy puts a smile on my face every time I think about it—even more today than it did in 1995 when we first built the PV system for our earthship (see HP59, page 6). We’ve gone through some adjustments in six years of living off-grid, and we are now sailing comfortably on the high solar desert of the Colorado Plateau. South-facing windows facilitate passive solar heating. The newly discovered “energy crisis” masks the real crisis that motivated us to live on solar and wind in the first place—pollution. Moving off coal-fired, nuclear, and centralized hydro power is about ending massive contamination of our air, water, and soils. Conservation is easy once you understand the real issue.