Department of Management Sciences (DoMS) Indian Institute of Technology Kanpur
About DERC

Post independence, the Delhi State Electricity Board (DSEB) came into existence and it had the responsibility of generation and distribution. Further, DSEB was transformed into various forms such as Delhi Electric Supply Undertaking (DESU) and Delhi Vidyut Board (DVB).

In May 1999, the Delhi Electricity Board Regulatory Commission (DERC) was constituted to look after regulatory matters such as tariff order creation, etc. as part of reforms; DVB was unbundled into six companies in July 2002. These are

DERC Snapshot of power sector
Installed Capacity (As on 31-Aug-2025)
State Ownership Technology wise breakup (MW) Grand Total
Thermal Nuclear Renewable
Coal Lignite Gas Diesel Total Hydro RES(MNRE)
Delhi
State 0 0 1800.4 0 1800.4 0 0 0 1800.4
Private 878.22 0 0 0 878.22 0 0 440.9 1319.12
Central 2771.27 0 207.01 0 2978.29 153.38 970.05 0.3 4102.02
Sub-Total 3649.49 0 2007.41 0 5656.91 153.38 970.05 441.2 7221.54

Link- https://cea.nic.in/wp-content/uploads/installed/2023/10/IC_OCT_2023-1.pdf

Generating units (As on 30.09.2023)

Name of Utility/Power Station UTILITY Ownership Type Energy Source Installed Capacity (MW)
Indraprastha Gas Turbine Power Station IPGCL State Thermal-Gas 270
Pragati Power Station-I PPCL State Thermal-Gas 330
Pragati Power Station-III PPCL State Thermal-Gas 1371

Link- https://cea.nic.in/wp-content/uploads/executive/2023/09/R1_Executive_Summary_September_2023.pdf

Energy Sales (MUs) in FY 22
S.NO Consumer Category BRPL BYPL TPDDL NDMC
1 Domestic 7854 4041 4517 263
2 Non Domestic 2655 1501 1437 892
3 Industrial 490 385 2558 0
4 Agriculture & Mushroom 26 18
5 Public Lighting 886 390 547 6
6 Delhi International Airport Limited (DIAL) 200
7 Advertisement and Hoardings 1 0
8 Charging Stations for E-Vehicle 53 16 28
9 Temporary Supply 134 55 64
10 DMRC 41
11 Others 64 24 34 15
Total 12363 6412 9203 1218

Link- https://derc.gov.in/tarriff-orders

Breakup of RE (MW) (As on 31.10.2023)
States / UTs Small Hydro Wind BM Cogen. (Bagasse) BM Cogen. (Non- Bagasse) Waste to Energy Waste to Energy (Off-grid) Ground-Mounted Solar Rooftop Solar Hybrid Solar Off-grid Solar Total Capacity
Delhi 84 9 226 1 320

Link- https://cdnbbsr.s3waas.gov.in/s3716e1b8c6cd17b771da77391355749f3/uploads/2023/11/202311081719950808.pdf

Average Cost of Supply (ACoS) (Rs./ kWh)
Sr. No DISCOMs FY 18 FY 19 FY 20 FY 21 FY 22
1 BRPL 7.35 7.47 7.11 7.02 7.43
2 BYPL 7.24 7.41 6.86 7.78 7.40
3 TPDDL 7.63 7.34 7.32 7.4 7.64
4 NDMC 7.68 7.75 9.11 9.17 9.21

Link- https://derc.gov.in/tarriff-orders

Latest Documents
S. No. Title Date
1 Draft Delhi Electricity Regulatory Commission (Group Net Metering and Virtual Net Metering for Renewable Energy) (Sixth Amendment) Guidelines, 2025 19-05-2025
2 DERC (Supply Code and Performance Standards) (7th Amendment) Regulations, 2025 [Draft] 01-05-2025
3 Draft Delhi Electricity Regulatory Commission (Supply Code and Performance Standards) (Seventh Amendment) Regulations, 2025 01-05-2025
4 DERC (Terms and Conditions for Green Energy Open Access) Regulation, 2024 07-10-2024
5 DERC (Threshold Limit for the Development of Intra-State Transmission Projects under Tariff Based Competitive Bidding) Regulations, 2024"[Draft] 30-08-2024
6 DERC (Compensation to Victims of Electrical Accidents) Regulations, 2024 27-06-2024
7 DERC (Terms and Conditions for Green Energy Open Access) Regulations, 2024. [Draft] 07-06-2024
8 DERC (Supply Code and Performance Standards) (Fifth Amendment) Regulations, 2024. [Draft] 07-06-2024
9 DERC (Renewable Purchase Obligation and Renewable Energy Certificate Framework Implementation) Regulations,2024. [Draft] 07-06-2024
10 DERC (Conduct of Business for Holding Inquiry by Adjudicating Officer) Regulations, 2023 [Notification] 19-01-2024
11 DERC(Forum for Redressal of Grievances of the Consumers and Ombudsman) (2nd Amd) Regulations, 2023 19-07-2023
12 DERC(Approval of Capital Investment Schemes for Distribution Licensees) Regulations, 2023 22-06-2023
13 DERC(Conduct of Business for Holding Inquiry by Adjudicating Officer) Regulations, 2023 19-06-2023
14 DERC(Net Metering for Renewable Energy) (1st Amd) Regulations, 2023 26-05-2023
15 Statement of Reasons for Business Plan Regulations 2023 24-04-2023
16 DERC (Business Plan) Regulations, 2023 24-04-2023
17 DERC (Renewable Purchase Obligation and Renewable Energy Certificate Framework Implementation) (1st Amd) Regulations, 2023 29-03-2023
18 DERC (Terms and Conditions for Determination of Tariff) (1st Amd) Regulations, 2023 29-03-2023
19 DERC (Renewable Purchase Obligation and Renewable Energy Certificate Framework Implementation) (1st Amd) Regulations, 2023 29-03-2023
20 DERC (Terms and Conditions for Determination of Tariff) (1st Amd) Regulations, 2023 29-03-2023
21 DERC (Business Plan) Regulations, 2023 29-03-2023
22 DERC (BUSINESS PLAN) REGULATIONS, 2023 [Draft] 13-01-2023
23 DERC (Renewable Purchase Obligation and Renewable Energy Certificate Framework Implementation) (1st Amd) Regulations, 2023 [Draft] 13-01-2023
24 DERC (Terms and Conditions for Determination of Tariff) (1st Amd) Regulations, 2023 [Draft] 13-01-2023
25 DERC (Compensation to Victims of Electrical Accidents) Regulations, 2021 [Draft] 03-11-2021
26 DERC (Terms and Conditions for Determination of Tariff) (First Amendment) Regulations, 2021 [Draft] 25-06-2021
27 DERC (Business Plan) (2nd Amd) Regulations, 2021 [Draft] 25-06-2021
28 DERC (Business Plan) (1st Amd) Regulations, 2021 13-04-202120-04-2021
29 DERC (Renewable Purchase Obligation and Renewable Energy Certificate Framework Implementation) Regulations, 2021 13-04-202120-04-2021
30 DERC (Renewable Purchase Obligation and Renewable Energy Certificate Framework Implementation) Regulations, 2020 [Draft] 19-10-2020
31 DERC (Business Plan) Regulations, 2019 02-06-202003-06-2020
32 DERC (Business Plan) (Statement of Reasons) Regulations, 2019 02-06-2020
33 DERC (Power System Development Fund) Regulations, 2019 02-06-202003-06-2020
34 DERC (BUSINESS PLAN) (SOR) REGULATIONS, 2019 29-01-2020
35 DERC (Business Plan) Regulations, 2019 [Draft] 22-11-2019
36 DERC (Supply Code and Performance Standards) (4th Amd) Regulations, 2019 24-05-2019
37 DERC (Renewable Purchase Obligation and Renewable Energy Certificate Framework Implementation) Regulations, 2018 [Draft] 01-02-2019
38 DERC (Power System Development Fund) Regulations, 2019 [Draft] 11-01-2019
39 DERC (Supply Code and Performance Standards) (3rd Amd) Regulations, 2018 28-12-201831-12-2018
40 DERC (Supply Code and Performance Standards) (3rd Amd) Regulations, 2018 [Draft] 18-12-2018
41 DERC (Net Metering for Renewable Energy) Regulations, 2014 [Draft] 17-12-2018
42 DERC (Supply Code and Performance Standards) (2nd Amd) Regulations, 2018 12-08-201815-08-2018
43 DERC (Supply Code and Performance Standards) (2nd Amd) Regulations, 2018 04-07-2018
44 DERC (Schedule of Charges and the Procedure) (3rd Amd) Order, 2018 21-03-2018
45 DERC (Forum for Redressal of Grievances of the Consumers and Ombudsman) Regulations, 2018 08-03-201809-03-2018
46 DERC (Supply Code and Performance Standards) (1st Amd) (Corrigendum) Regulations, 2018 07-03-201808-03-2018
47 DERC (Supply Code and Performance Standards) (1st Amd) Regulations, 2018 [Corrigendum] 07-03-2018
48 DERC (Supply Code and Performance Standards) (1st Amd) Regulations, 2018 15-02-201816-02-2018
49 DERC (Treatment of Income from other Business of Transmission Licensee and Distribution Licensee) (1st Amd) Regulations, 2017 27-11-201728-11-2017
50 DERC (Terms and Conditions for Open Access) (1st Amd) Regulations, 2017 [Draft] 04-10-2017
Latest Documents
S. No. Title Date
1 DERC (Terms and Conditions for Determination of Tariff) (Second Amendment) Regulations, 2025 27-08-2025
2 Tata Power Renewable seeking extension of the Scheduled Commissioning Date due to delay in ISTS readiness. 03-09-2024
3 Tata Power Delhi Distribution Power Purchase Cost Adjustment Charges (‘PPAC’) pertaining to the period commencing from October’2023 to December’2023 and January’2024 to March’2024 of the Financial Year 2023-24. 25-07-2024
4 DERC Tariff Order for (BRPL) True-up (FY 20), ARR (FY 22) 30-09-2021
5 DERC Tariff Order for (BYPL) True-up (FY 20), ARR (FY 22) 30-09-2021
6 DERC Tariff Order for (DTL) True-up (FY 20), ARR (FY 22) 30-09-2021
7 DERC Tariff Order for (IPGCL) True-up (FY 20), Tariff (FY 22) 30-09-2021
8 DERC Tariff Order for (NDMC) True-up (FY 20), ARR & Tariff (FY 22) 30-09-2021
9 DERC Tariff Order for (PPCL) True-up (FY 20), Tariff (FY 22) 30-09-2021
10 DERC Tariff Order for (TPDDL) True-up (FY 20), ARR (FY 22) 30-09-2021
11 DERC (Open Access Charges and related matters) (4th Amd) Order, 2021 09-09-2021
12 DERC (Schedule of Charges and the Procedure) (6th Amd) Order, 2021 15-04-2021
13 DERC(Schedule of Charges and the Procedure) (tth Amd) Order, 2021 15-04-2021
14 DERC Tariff Order for (BRPL) True-up (FY 19), Tariff (FY 21) 28-08-2020
15 DERC Tariff Order for (BYPL) True-up (FY 19), Tariff (FY 21) 28-08-2020
16 DERC Tariff Order for (DTL) True-up (FY 19), Tariff (FY 21) 28-08-2020
17 DERC Tariff Order for (IPGCL) True-up (FY 19), Tariff (FY 21) 28-08-2020
18 DERC Tariff Order for (NDMC) True-up (FY 19), Tariff (FY 21) 28-08-2020
19 DERC Tariff Order for (PPCL) True-up (FY 19), Tariff (FY 21) 28-08-2020
20 DERC Tariff Order for (TPDDL) True-up (FY 19), Tariff (FY 21) 28-08-2020
21 DERC (Schedule of Charges and the Procedure) (5th Amd) Order, 2019 30-12-2019
22 DERC (Schedule of Charges and the Procedure) (4th Amd) Order, 2019 23-10-2019
23 DERC (Schedule of Charges and the Procedure (4th Amd) Order, 2019 [Order] 23-10-2019
24 DERC Tariff Order for (BRPL) True-up (FY 18), ARR & Tariff (FY 20) 31-07-2019
25 DERC Tariff Order for (BYPL) True-up (FY 18), ARR & Tariff (FY 20) 31-07-2019
26 DERC Tariff Order for (DTL) True-up (FY 18), ARR (FY 20) 31-07-2019
27 DERC Tariff Order for (IPGCL) True-up (FY 18), ARR (FY 20) 31-07-2019
28 DERC Tariff Order for (NDMC) True-up (FY 18), Revised ARR (FY 19), ARR & Tariff (FY 20) 31-07-2019
29 DERC Tariff Order for (PPCL) True-up (FY 18), ARR (FY 20) 31-07-2019
30 DERC Tariff Order for (TPDDL) True-up (FY 18), Revised ARR (FY 19), ARR (FY 20) 31-07-2019
31 DERC Tariff Order for (DTL) True-up (FY 17), ARR (FY 19) 28-09-2018
32 DERC Tariff Order for (TPDDL) True-up (FY 17), Revised ARR (FY 18), ARR (FY 19) 28-09-2018
33 DERC (Schedule of Charges and the Procedure) (3rd Amd) Order, 2018 04-07-2018
34 DERC Tariff Order for (BYPL) True-up (FY 17), Tariff (FY 19) 28-03-2018
35 DERC Tariff Order for (NDMC) True-up (FY 17), Revised ARR (FY 18), Tariff (FY 19) 28-03-2018
36 DERC Tariff Order for (PPCL) True-up (FY 17), ARR (FY 19) 28-03-2018
37 DERC Tariff Order for (IPGCL) True-up (FY 17), Tariff (FY 19), ARR (FY 19) 28-03-2018
38 DERC (Schedule of Charges and the Procedure) (3rd Amd) Order, 2018 21-03-2018
39 DERC Tariff Order for (BRPL) True-up (FY 17), Tariff (FY 19) 28-02-2018
40 DERC (Schedule of Charges and the Procedure) (2nd Amd) Order, 2018 02-02-2018
41 DERC (Schedule of Charges and the Procedure) (1st Amd) Order, 2017 28-09-2017
42 DERC (Supply Code and performance Standards (Removal of Difficulty) 1st Order, 2017 27-09-2017
43 DERC (Schedule of Charges and the Procedure) Order, 2017 31-08-2017
44 DERC (Schedule of Charges and the Procedure) (Statement of Reasons) Order, 2017 31-08-2017
45 DERC Tariff Order for (TPDDL) True-up (FY 16), Revised ARR (FY 17), ARR (FY 18) 31-08-2017
46 DERC Tariff Order for (PPCL) True-up (FY 14) and (FY 15-16), MYT (FY 16-17) and (FY 20-21) 31-08-2017
47 DERC Tariff Order for (DTL) True-up (FY 16), ARR (FY 17) 31-08-2017
48 DERC Tariff Order for (NDMC) True-up (FY 15), Revised ARR (FY 16), Tariff (FY 17) 31-08-2017
49 DERC Tariff Order for (IPGCL) True-up (FY 16), Tariff (FY 18) 31-08-2017
50 DERC Tariff Order for (BRPL) True-up (FY 15), Tariff (FY 17), ARR (FY 17) 31-08-2017
Officers Contact
Office of Chairperson
Sr. No. Name Designation Telephone Number
1 Hon'ble Justice (Retd.) Sh. Jayant Nath Chairperson 41080417
2 Sh. Chandan Singh PPS to Chairperson 41080417
Office of Member 1
Sr. No. Name Designation Telephone Number
3 (Vacant) Member 41601642
4 Sh. Virender Kumar Sharma PPS to Member 41601642
Office of Member 2
Sr. No. Name Designation Telephone Number
5 (Vacant) Member 41080415
6 Sh. K. K. Kapoor PPS to Member 41080415
Office of Secretary
Sr. No. Name Designation Telephone Number
7 Sh. Rajesh Dangi Secretary 41601640
8 Ms. Prema Rawat PA to Secretary 41601640
9 Sh. Ganesh Joshi CCO 41080416 (Fax)
10 Sh Chandra Kant Roy Joint Secretary 26673608 (Tele Fax), 41080417 (Tele Fax)
11 Sh. Ashish Kumar Dy. Secretary 26673608 (Tele Fax), 41080417 (Tele Fax)
Tariff Division
Sr. No. Name Designation Telephone Number
12 (Vacant) Executive Director (Tariff) 41601674
13 Sh. Himanshu Chawla Joint Director (T-E) 26680433
14 Sh. Ashok Gauba PA to ED (T) 41601674
15 Sh. S. Kalyana Venkatesan Joint Director (T-F) 26673608 (Tele Fax), 41080417 (Tele Fax)
16 Ms. Sumiti Mahajan Dy. Director (TA & FA) 26673608 (Tele Fax), 41080417 (Tele Fax)
17 Sh. Himanshu Bhardwaj Dy. Director (Tariff-Engg) 26673608 (Tele Fax), 41080417 (Tele Fax)
18 Sh. Mrinal Anand Aggarwal Dy. Director (Tariff-Engg) 26673608 (Tele Fax), 41080417 (Tele Fax)
19 Sh. Rohit Kumar Gururani Dy. Director (Tariff-Eco) 26673608 (Tele Fax), 41080417 (Tele Fax)
Engineering & (Information & Technology) Division
Sr. No. Name Designation Telephone Number
20 Sh. Anil jain Executive Director (Engg) 41601675
21 Ms. Madhu Ghildiyal PS to ED (E) 41601675
22 (Vacant) CCO 26140804
23 Sh. Neeraj Singh Gautam Jt. Director (Engg.) 26673608 (Tele Fax), 41080417 (Tele Fax)
24 Ms. Sharda Yadav Dy Director (T&D) 26673608 (Tele Fax), 41080417 (Tele Fax)
25 (Vacant) Dy Director (T&D) 26673608 (Tele Fax), 41080417 (Tele Fax)
26 Sh. Raj Roshan Assistant Director (IT) 26673608 (Tele Fax), 41080417 (Tele Fax)
Law Division
Sr. No. Name Designation Telephone Number
27 Ms. Divya Tondon Executive Director (Law) 41601641
28 (Vacant) P.A. to ED (Law) 41601641
29 (Vacant) Jt. Director (Law) 26680493
30 Sh. R.P. Padhi Dy. Director (Law) 26673608 (Tele Fax), 41080417 (Tele Fax)
31 Ms. Shruti Ahuja Jr. Law Officer 26673608 (Tele Fax), 41080417 (Tele Fax)
32 Ms. Nooreen Anwar Jr. Law Officer 26673608 (Tele Fax), 41080417 (Tele Fax)
Administration & Personnel
Sr. No. Name Designation Telephone Number
33 Ms. Prashasti De Dy. Director (Pers.) 26673605
34 Ms. Nalini Dubey Personnel Officer 41080414
35 Ms. Shalini Receptionist 26673608 (Tele Fax), 41080417 (Tele Fax)
Finance and Pay & Accounts
Sr. No. Name Designation Telephone Number
36 Sh. V. B. Nagappan Advisor (Finance) 26673603
37 Sh. Puneet Gupta Dy. Director (P&A) 26683877
38 (Vacant) Asstt. Accounts Officer 26683877
Consumer Assistant
Sr. No. Name Designation Telephone Number
39 (Vacant) Dy. Director (CA) 26673276
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