The digital economy has brought uncounted positive benefits, but it has also created one major sustainability problem. What to do about the growing energy requirements of larger, more power-hungry servers and supercomputers? And what to do about the heat given off by these larger, more powerful machines and data centers that make huge (more…)
When you’re a non-profit organization you have to be resourceful and make decisions that maximize your operating budget. Some of those decisions are obvious. Some take discovery. This is an example of how a not-so-obvious choice helps the Greater Twin Cities United Way make the most of their operating budget. (more…)
After a mild July and most of August, the hot weather associated with this time of year will finally make an appearance this week. In fact, we could hit an all-time peak load record today, and demand at least a couple of days this week. And although we don’t expect any problems meeting this demand, we’ve taken steps to continue to provide service without (more…)
Like home heating in the winter air conditioning usage in the summer uses up a lot of energy. The difference is that while heat can come from burners and radiator systems most air-conditioning is run on electricity.
In the big picture that means that on the hottest days power plants in large urban centers generate a lot of (more…)
I don’t think I have ever appreciated a hotel as much as I did during a trip to Houston for a cleantech tradeshow. The humidity was off the charts and it felt like I was slowly melting into the sidewalk going to and from the show each day. But the second I stepped into that hotel, everything was perfect.
The temperature was just right- not frigid, but certainly (more…)
Everyone is seeking the elusive killer app that will revolutionize energy. Most expect it to be a high tech gadget, or new form of generation or a way to finally store mass quantities of electricity.
Not anthropologist Susan Mazur-Stommen. She’s looking in a completely different place: inside our (more…)
Before I moved, I resided in a second floor apartment that hadn’t been updated since MacGyver went off-air. It was the kind of apartment where you couldn’t operate the microwave and toaster at the same time without tripping the breaker.
The kicker, however, was the thermostat. With Angus (more…)