Category Archives: solar pv

Battery technologies Li-ion vs Lead-Acid

A good article from HomePower: Lithium-Ion Batteries for Off-Grid Systems Are They a Good Match? By: Randy Richmond Issue Date Dec 16, 2012 For decades, lead-acid battery technology has been the mainstay of battery-based renewable energy systems, providing reliable storage … Continue reading

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SGEV Energy System, Micro-grid

Site info: Total property is 94 hectares (234 acres).  It is saddle shaped, with river & valley running West to East across the middle, rising to ridges at north and south. Highest elevation at South ridge is 980 M. River … Continue reading

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AC-Coupled Mini-grid

From Homepower magazine article Links to article and diagrams of AC-coupled mini-grid using Magnum inverter and enphase micro-inverters. Magnum – Enphase AC Coupled.pdf AN 0002 AC Coupling (Rev 5-10).pdf

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Microgrid news

Microgrids and Our Energy Future: Two Pundits Weigh In Although it’s a big stretch to say that power microgrids are “about” to become mainstream, two recent articles by thought leaders in the energy world illustrate that it won’’t take much … Continue reading

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Collected Solar Data

Solar Data collected by the little white box on the pedestal set up on the lawn above the pool area. The data is from June 28 – November 12, 2011  (thanks Duane, and William, for setting it up.) What it … Continue reading

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Moixa Smart DC power hub

Smart DC power hub and Smart DC Sockets The smart hub is the core of the system and provides smart communications (Zigbee, Wifi, IP), smart control and smart power provision. It manages local renewables and battery storage, smart meter communications, … Continue reading

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Solar Powered Air Conditioner

Found here: Atlantis Solar® Air Conditioners:  (Need to learn more about it. Looks interesting…) Atlantis Solar® Air-Conditioner absorbs solar energy to heat the inside medium by using a vacuum solar collector. The refrigerant from the compressor goes through the copper … Continue reading

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