Mahashakti Energy Limited Mahashakti Energy Limited, an ISO 9001 & ISO 14000 Certified organization established in 1994 as an insulated and non-insulated manufacturing unit with ACSR, AAC Conductors, Cables & double Paper Covered Wire (DPC) as its major products. In the process of forward integration and diversification product line, it began manufacturing of Distribution Transformers & Electronic Energy meters in1997 & 2000 respectively..