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When a building produces all the energy it consumes from renewable sources, it is referred to as a “net-zero energy” or a “zero energy” building (NZEB or ZEB). Such facilities typically feature a comb... READ MORE >

The opening chapter of Alice in Wonderland is aptly titled “Down the Rabbit Hole.” Alice’s adventures begin when she follows a rabbit down its hole and consumes items that cause her body to expand and... READ MORE >

While 2015 marked the 150th anniversary of Alice in Wonderland, it also marked the anniversary of the Jevons Paradox. William Stanley Jevons, an English economist, observed that the increased usage of... READ MORE >

Orbit City, the Jetsons’ hometown, gets all its power from renewable energy. When the wind blows and the sun shines, it makes the electricity that keeps the city humming. But what happens at night, or... READ MORE >

In George Jetson’s world, Light Emitting Diodes (LED) are nothing new. Earlier light sources are only found in his kids’ history e-books. Back here in the 21st century, however, not all LEDs are Jetso... READ MORE >

Rosie, the Jetsons’ robot maid, keeps the home clean and running like clockwork, all on renewable energy. But will she slow down if the wind stops blowing, or if clouds block the sun? Many megawatts (... READ MORE >

Rather than buying a solar power system, many commercial customers purchase just the power they produce by using a Power Purchase Agreement (PPA). Like retail power contracts, PPAs (which may run for ... READ MORE >

Technical issues may compromise the value of an on-site photovoltaic (PV) system. Reduced output, PV outages, or electrical problems may leave a host wondering if the decision to go solar was wise. On... READ MORE >

Several recent legal challenges related to Demand Response (DR) may have a long-term impact on Demand Response programs, including how Demand Response participants get paid, and by whom. The issues in... READ MORE >