Tag Archives: solar

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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SDHW System Design Notes

There are three steps in the design of a solar DHW system: determination of solar energy available per unit area of collector, determination of heating load, and sizing the collector for cost effectiveness. System sized to provide 90-100% of total … 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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