Category Archives: System Integration

Protected: Biorealis/Thai Digester Project

Posted on July 17, 2017 by Bob

There is no excerpt because this is a protected post.

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SGEV Sinkhole – Water reservoir

Posted on March 16, 2014 by Bob

Idea:  Explore feasibility of damming the gully below this sinkhole, and using the resulting lake or pond as a water reservoir. Potential advantages include: Positive way to control seasonal flows, site drainage and prevent further erosion damage. Working with the … Continue reading →

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Battery technologies Li-ion vs Lead-Acid

Posted on January 6, 2014 by Bob

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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Energy Storage, Load Balancing

Posted on June 5, 2013 by Bob

Problem # 1: Let’s say we have a river able to generate 100 kW.  In a 24 hour period, it produces 100 * 24 = 2,400 kWh.  Let’s also say that we have a total daily demand of 2,400 KWH, … Continue reading →

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Holon design notes

Posted on May 8, 2013 by Bob

Each cluster of 8-10 homes will be grouped around a centrally located “Waste to Energy Center”, or ‘holon‘.  Each holon will include electric generation capacity sized to supply 8-10 homes designed to use an average of 7 kWh/day, or 200 … Continue reading →

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Consumer Reports comparisons, refrigerators, showerheads

Posted on March 18, 2012 by Bob

consumer reports comparisons Highest rated refrigerators: EnergyStar List of Efficient refrigerators LG LFC25776[SW] — $1800 – $2400 Whirlpool Gold GXF5FHDXV[] — $1200 — $1500 Kenmore 7201 — $1524 Low flow Showerheads Moen Inspire 21777 — $50 American Standard Flowise 1660.502 … Continue reading →

Posted in efficiency, Negawatts, System Integration | Tagged , | 2 Comments

AC-Coupled Mini-grid

Posted on November 17, 2011 by Bob

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

Posted in Master Energy Plan, solar pv, System Integration | Tagged , , | 1 Comment

Waste to Energy Center

Posted on October 27, 2011 by Bob

The OMV Waste to Energy Center (currently in planning stages) will be a centralized processing facility where all “waste” material will be collected and processed to extract available energy before recycling the remaining byproducts. (“Waste” is in quotes because the … Continue reading →

Posted in biodiesel, biogas, energy crops, Master Energy Plan, System Integration | 2 Comments

Moixa Smart DC power hub

Posted on October 21, 2011 by Bob

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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Aquaponics Experimenter’s Kit

Posted on September 4, 2011 by Bob

Aquaponics Experimenter’s Kit It is made from used 55 gallon plastic drums and $100 or so worth of PVC piping & fittings. Both the name and the concept were inspired by / adapted from Allpower lab’s GEK (Gasifier Experimenters Kit). … Continue reading →

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