energy analysis office lori bird senior analyst national renewable lab lori_bird nrel gov trends in utility green pricing programs 9 th power marketing conference october 4 2004 albany new york availability of more than 500 utilities 34 states offer or have announced 15 compared to 10 2002 100 distinct exist 5 require customer participants 0 50 000 150 200 250 300 1999 2000 2001 2003 pa r t i c ip a n s participation fourfold increase number from 16 all and 66 nonresidential customers top account for 75 retention rates dropped slightly average 95 93 remained steady at 1 2 most successful showed some improvement ranged was
