Dallas, July 11, 2012 — Grid 21, in partnership with Oncor , launched the 2012 Biggest Energy Saver Campaign on June 20, 2012, to reward eligible, participating customers who use their advanced meter data to reduce their energy usage and potentially lower their electric bills. This year's campaign will feature both a residential consumer contest and a Lighten Your Load sweepstakes. The consumer contest consists of three monthly contests in July, August and September, with prizes awarded to eligible, participating customers who reduce their electric usage the most when compared t...