SL | Name of Line | SC/DC | Length (Kms) |
| A | 400 K.V. Line | | |
| 1 | Biharsharif - Kodarma Border | SC | 75.00 |
| | Total | | 75.00 |
| B | 220 K.V. Line | | |
| 1 | Biharsharif to Fatuha | DC | 80.00 |
| 2 | Biharsharif to Bodh Gaya | DC | 160.00 |
| 3 | Bodh Gaya to Patratu Thermal Power Station (Under Bihar) | DC | 78.00 |
| 4 | Bodh Gaya to Patratu Thermal Power Station (Under Bihar) | SC | 42.00 |
| 5 | Mugalsarai to Dehri | SC | 92.00 |
| 6 | Fatuha to Muzaffarpur Thermal Power Station | SC | 125.00 |
| 7 | Link line at Biharsharif (TTPS - Biharshariff) | SC | 2.00 |
| 8 | Link line for Gaighat Sub-station | SC | 9.00 |
| 9 | Fatuha to Khagaul | DC | 35.00 |
| 10 | Biharsharif to Begusarai | DC | 150.00 |
| 11 | Begusarai to Purnia ( Kursela river crossing) | SC | 4.02 |
| 12 | Bodhgaya - Dehri-on-Sone | DC | 180.00 |
| | Total | | 957.02 |
| C | 132 K.V. Line | | |
| 1 | Biharsharif to Fatuha | SC | 55.00 |
| 2 | Fatuha to Patna | SC | 25.00 |
| 3 | Patna to Jehanabad | SC | 44.80 |
| 4 | Jahanabad to Gaya | SC | 48.00 |
| 5 | Dehri to Dumaraon | SC | 89.60 |
| 6 | Dumaraon to Arrah | SC | 60.00 |
| 7 | Biharsharif to Hathidah | DC | 130.00 |
| 8 | Lakhisarai to Jamui | SC | 35.00 |
| 9 | Hathidah to Sheikhpura | SC | 28.00 |
| 10 | Hathidah to Lakhisarai | SC | 28.00 |
| 11 | Link line at Lakhisarai | DC | 3.40 |
| 12 | Nawada to Bodh Gaya | SC | 56.00 |
| 13 | Lakhisarai to Jamalpur | SC | 45.00 |
| 14 | Jamalpur to Sultanganj | SC | 38.00 |
| 15 | Biharsharif to Barahi | SC | 142.00 |
| 16 | Biharsharif - Baripahari (Linkline) | DC | 10.00 |
| 17 | Rafiganj G/S/S to T/S/S Rafiganj | DC | 9.20 |
| 18 | Link line at Jehanabad | SC | 2.00 |
| 19 | Patna to Gaya | SC | 92.80 |
| 20 | Sonenagar to Japla Border of Sone Nagar Pipari Trans. Line | DC | 358.00 |
| 21 | Sultanganj to Deoghar (Under Bihar) | SC | 65.00 |
| 22 | Lalmatiya to Sultanganj | SC | 69.00 |
| 23 | BodhGaya to Paharpur | DC | 65.02 |
| 24 | Dehri to Karmnasa | DC | 86.00 |
| 25 | Chandauti to Sonenagar | DC | 152.00 |
| 26 | Chandauti to BodhGaya CKT I & II | DC | 32.00 |
| 27 | Chandauti to BodhGaya CKT III & IV | DC | 28.00 |
| 28 | Dehri to Banjari | SC | 38.00 |
| 29 | Mathurapur to R.I. Dalmianagar | SC | 9.00 |
| 30 | Purnia to Saharsa | SC | 101.20 |
| 31 | Purnia to Dalkola | SC | 44.00 |
| 32 | Purnia to Katihar | SC | 29.00 |
| 33 | Purnia to Birpur | SC | 120.00 |
| 34 | Purnia to N.H.P.C. | DC | 2.00 |
| 35 | B.T.P.S to H.F.C. | SC | 2.00 |
| 36 | B.T.P.S to Khagaria | SC | 50.00 |
| 37 | Khagaria to Purnea | SC | 147.50 |
| 38 | Link line at Khagaria | SC | 5.00 |
| 39 | Sonenagar to Japla Border | DC | 156.00 |
| 40 | Ramnaar to Surajpura/Valmikinagar LILO | SC | 4.00 |
| 41 | Sabour to Sultanganj | SC | 35.00 |
| 42 | Surajpura to Ramnagar | SC | 77.77 |
| 43 | Ramnagar to Bettiah | SC | 41.50 |
| 44 | Bettiah to Motihari | SC | 45.00 |
| 45 | Motihari to M.T.P.S. | SC | 70.00 |
| 46 | M.T.P.S to Muzaffarpur | SC | 15.50 |
| 47 | M.T.P.S to Muzaffarpur | SC | 16.27 |
| 48 | M.T.P.S to Samastipur | DC | 170.40 |
| 49 | Samastipur to Chapra | SC | 110.00 |
| 50 | Chapra to Siwan | SC | 70.00 |
| 51 | Samastipur to Pandaul | SC | 62.00 |
| 52 | Samastipur to B.T.P.S. | DC | 134.40 |
| 53 | Muzaffarpur to Sitamarhi | SC | 65.00 |
| 54 | Tapping at Hajipur | SC | 1.00 |
| 55 | B.T.P.S to Hathidah (Cable) | DC | 14.00 |
| 56 | Samhauta KCL Link line at Banjari | SC | 1.35 |
| 57 | Link line for Rajgir Sub-station | SC | 14.00 |
| 58 | Kataiya - Duhabi | SC | 3.50 |
| 60 | B.T.P.S to Naugachiya | SC | 134.00 |
| 61 | Naugachiya to Purnea Link Line. | SC | 63.50 |
| | Total | | 3,648.71 |
