DG/DERs have historically recognized advantages and concerns. These have led to DG playing a complementary role to centralized power generation. However, new conditions in many power markets are raising the possibility that DG may play a more prominent role. This paper will review pros/cons attributed to DG/DERs, discuss new conditions prevailing in power markets, and assess the likelihood that DG’s role may grow in the near term and the post-2030 era.