Annual coupon book coming your way More coupons and discounts available online The annual coupon book we send to thank our renewable power customers should arrive in your mail any day now, if it hasn’t already. This year’s book includes coupons from OMSI, Edible Arrangements, Eco Car Wash and Elephants Delicatessen. These coupons and others can also be downloaded at GreenPowerOregon throughout the year. We thank these sustainable businesses for their support of renewable power and hope you enjoy the discounts from our growing green community.