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Lessons For The Future From The Recent Cold Weather Spell In The Northeast

For the few days before and after New Year’s Day, the Northeast experienced extreme cold temperatures. Natural gas prices peaked at nearly 50 times last year’s average. Electricity prices also rose, and were nearly 3 to 5 times the usual for this time of year. Our next electric and gas...
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Four More Shared Solar Installs In Uganda!

The Quadracci Sustainable Engineering Lab was asked to assist in the installation of four new Shared Solar units in rural Uganda. This past December, power was turned on and payment systems were activated. That means eighty new households have a stable source of electricity. Those electric connections can be used...
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Discussing the future of the grid at IADB’s Cutting-Edge Workshop

Conference Photo
In the last week of August 2017, IADB held a conference in conjunction with the Quadracci Sustainable Engineering Lab. The goal was to introduce and discuss new and innovative possibilities for the future grid. Given recent developments in alternative energy sources and growth in the use of sensors, this workshop...
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The Quadracci Sustainable Engineering Laboratory

In 2017 The Sustainable Engineering Lab had its official relaunch as the The Quadracci Sustainable Engineering Laboratory. The name change followed a generous supporting donation from the Quadracci family and The Windhover Foundation. The launch was a happy occasion in The Northwest Corner Building at Columbia University. (Photographs by Timothy...
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Planning access to electricity under the SEforAll initiative in Ecuador

On March 6, a third workshop was held in relation to the preparatory studies leading to a national electrification plan for universal coverage throughout Ecuador. This is the third workshop supported by Columbia University's Sustainable Engineering Laboratory (SEL) within this activity. The two previous workshops were carried out to, first,...
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qSEL Project Updates

Our lab has been busy over the last year. If you're new to some of our projects or just want an overview, here are a few introductions: Acacia Irrigation Acacia Irrigation is an off grid battery-less solar pumping system. Our lab currently has three working systems in Gabar, Senegal. The...
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A Library for Portier with asyncio

Originally published at -for-portier-with-asyncio/ In a previous post, I said: Down the line, there will be client-side Portier libraries (or, at least, other demo implementations) for various languages. Until then, you’ll need to do some of the heavy lifting yourself. Well, I decided to self-fulfill this prophecy. Introducing… the...
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Quench Team Visits Uganda

Our Quench team visited Uganda to gain new perspective on the project. The team traveled around southern Uganda touring different water facilities and existing tap stands in Mbarara, Karamoja, and Ruhiira. This trip spawned new ideas and a fresh outlook on the project. Once back in the states new test...
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Celebrating More Than a Year of Shared Irrigation

The one year anniversary has come and gone for our shared irrigation system dubbed Acacia Irrigation. Three systems each serving seven small farms are up and running in Senegal. All three systems have seen high usage almost since the time of installation, and now they are all running with full...
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The Remote Debugginator (2015)

The Remote Debugginator
The Remote Debugginator is a device created for the Acacia Irrigation Project to enable remote access to a LAN network over 3g. We have three irrigation sites serving about 20 farmers’ fields. Each of these sites has a Raspberry Pi collecting data on sunlight, temperature, power consumption, and pump usage....
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Most recent posts Blog archive