a.    Constituent states : Arunachal Pradesh, Assam , Meghalaya, Manipur, Mizoram, Nagaland and Tripura, so called the Seven Sisters of NER.

b.   Central Sector agencies : NEEPCO, NHPC, POWERGRID.

c.    Total installed capacity of the region :  2334.06 MW [grid-2201.62 & isolated-132.44], as on 31/08/06

d.    Hydro : Thermal ratio:  1:1 (approximately)

e.    Transmission voltage level: 400, 220 & 132 & 66 KV

f.    Mode of operation : Synchronised with Eastern, Western & Northern Region through A/C links – 400 KV Bongaigaon-Binaguri-Malda, 400kV Bongaigaon-Purnea-Malda  & 220 KV Birpara-Salakati D/C.

              Power System governance in different states.

a)      A.P : Under direct control of the Deptt of Power, Govt of A.P with load despatch function through SLDC at Itanagar.

b)      Assam : Under management of Assam Electricity Grid Corporation Limited (AEGCL) with SLDC at Kahelipara, Guwahati.

c)      Manipur : Under direct control of the Electricity Deptt, Govt of Manipur with load despatch function through SLDC at Imphal.

d)      Meghalaya : Under management of Meghalaya State Electricity Board (MeSEB) with SLDC at Nehu.

e)      Mizoram :  Under direct control of the Power & Electricity Deptt, Govt of Mizoram, with load despatch function through SLDC at Aizawl.

f)        Nagaland :  Under direct control of the Deptt of Power, Govt of Nagaland with load despatch function through SLDC at Dimapur.

g)      Tripura : Under management of Tripura State Electricity Corporation Limited with load despatch function through SLDC at Agartala.