The economy, that is, didn't have to use more energy in order to grow. (scientificamerican.com)
With a combination of not wasting as much energy and using more energy efficient lighting (LED's), I have been able to drastically lower my bill so far. (allaboutinterest.com)
I could always use more energy, since I spend most of my day chasing after a toddler! (emmaslittlekitchen.com)