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With

ULTRA LOW ENERGY with only 25 - 130 WATTS The most efficient coolers on the planet. 12, 24, & 48 Volt DC Evaporative Coolers. Also available in 120 & 240 Volt AC. Made from Stainless Steel Long Life KAR KOOL FOR YOUR VEHICLE We Make COOLING Your Lowest Electrical Load (520) 885-7925 Tucson, Arizona, USA 250 watt 25 amp Maximum Power Point Solar Control Boost charge current up to 30 Up to 25 amp output current Battery temperature sensor standard 15 amp low voltage disconnect standard Aux...

Proven Performance You Can Trust

Trojan Battery has been building the world's most reliable, long-lasting batteries in the United States for over 80 years. Every Trojan battery is designed to enhance the performance of your renewable energy system while providing outstanding durability and battery life you can depend on. Rated the most durable and long-lasting battery by installers and integrators of renewable energy systems* Trojan's virtually indestructible Polyon cases stand up to the harshest environments Broad product...

VAC

AC Service Entrance To 120 240 VAC loads AC Service Entrance To 120 240 VAC loads to air-heating loads when utility power fails. Combined, the two turbines generate 4.4 KW continuous and feed 106 KWH a day directly to the grid. There are no special hydro inverters on the market, but some off-the-shelf PV inverters can be used. The critical design component of low-power batteryless hydro systems is matching the turbine output voltage with a specific batteryless inverter. Low-power turbines come...

Amorningstar

Phone +1-215-321-4457 Fax +1-215-321-4458 info morningstarcorp.com www.morningstarcorp.com It doesn't make sense to put in a 10,000 heating system to provide A more useful definition .defines sustainability with four system conditions that apply like the laws of gravity. I am frustrated by how loosely we use the term sustainable. In the sustainable sailing article in HP125, I would conclude that yes, while under sail, the boat's transportation energy is using a renewable resource. But coming to...

Griddirect Wind Systems

Direct grid-tie, batteryless wind systems are the fastest-growing segment of the U.S. small wind market. This growth is being fueled by demand for simpler, more efficient systems and incentive programs that compensate owners for the amount of energy their system produces. Wind turbines were previously used mostly by off-gridders, but the new market for residential-scale wind turbines is primarily for grid-tie applications. The same arguments for batteryless grid-tied PV systems also apply to...

Solar Power Center

Split-phase, true sine wave inverter charger, 80-amp MPPT charge controller, plus all breakers, GFP and lightning protection - fully integrated into one box Pre-wired, pre-tested and ready for quick installation - a true plug-and-play, off-grid PV power system. i Compact 3 ft by 2 ft secured enclosure - only 9 inches deep - keeps equipment safe and clean. performance, battery state-of-charge, and AC load. Wireless Remote Display for system monitoring with range up to 1 mile. Innovative power...

A K

* n ci' nii M- f i 1 s i 111 .j ii .lilt. I I . I , . a I V I I I August 30-31, 2008 Labor Day Weekend, Crestone, CO Exhibitors, Workshops 6 Speakers on Renewable Energy Exhibitors, Workshops 6 Speakers on Renewable Energy NNSYLVANIA . . fojSl fjyenewable energy LlVlDgStOn y pj FESTIVAL A True Celebration of Earth-Friendly Living HYDROELECTRIC SYSTEMS Pelton and Crossflow turbines or complete AC systems for standalone or grid interconnect operation. Site evaluation and equipment selection...

Gr Solar

C amp R Solar Quality design, sales and installations of solar wind power systems to meet your application. Serving northwest Arizona since 1989 for remote homes and grid tied systems. Living off grid since 1980. We achieve customer satisfaction with over 25 years of experience in renewable energy. ROC135882. 928-757-7059. Electron Connection Licensed in CA and Oregon. NABCEP Certified installer. Serving northernmost California and southern Oregon. PV, wind, microhydro installs. 800-945-7587...

Sma Sb Us

Increased efficiency means better performance and shorter payback periods. The AIR-X builds upon what has made AIR the world's 1 selling small wind turbine with new technology previously found only in today's state-of-the-art megawatt-class wind turbines. Please note pricing and availability subject to change in this crazy market Call now toll free to order your way to a Solar Energy Solution at 1 800 810-9939 or email us at sales affordable-solar.com You can also visit us online at...

Massachusetts

Alternative Energy Sources amp Technologies. Conf. amp exhibition on biomass, biofuel, geothermal, hydro, hydrogen, solar, wind amp waste-to-energy, www.cardellexpo.com Auburn, MA. Seminars Solar Basics, PV, Hot Water, Wind, RE amp more. 508-832-4344 peter cnesolarstore.com www.cnesolarstore.com Hudson, MA. Workshops Intro to PV Advanced PV RE Basics Solar Hot Water amp more. 877-878-4060 support altenergystore.com http workshops.altenergystore.com

The Electric Side

By Jerry Ostermeier amp Joe Schwartz When people dive into developing hydro-electric systems, a lot of thought goes into diverting debris-free water from the creek and sizing the pipeline to carry it from the intake to the turbine. Both of these topics have been covered in recent issues of Home Power HP124 amp HP125 . Designing the electrical side of your hydro system deserves equal attention. When it comes to transmitting and regulating the energy generated by your hydro turbine, making the...

Off The Beaten Path

The last few steps to Zealand Falls Hut are steep and can be taxing. With each push up the stone staircase, your legs seem to grow heavier while your knees and joints whisper a plea for mercy. Motivating you at every turn A cooling breeze sweeping down from Mount Hale, the warm sun breaking through the afternoon clouds, and the soothing sound of Whitewall Brook. But the ultimate reward after the journey Resting your weary bones in a warm, well-appointed hut powered by the same elements that...

Griddirect Lowpower Microhydro Systems

5kw Wood Biomass Electricity Diagram

When people think of grid-connected hydro electricity, images of something really big like Hoover Dam come to mind. But on a residential scale, high-power AC-direct hydro turbines in the 10 to 25 KW range have been feeding electricity to the grid for decades. What is new in the hydro world is coupling batteryless inverters to low-power microhydro turbines generating anywhere from 500 to 4,000 W for grid-tied applications. Like PV and wind systems, microhydro systems can be battery-based or...