01Data files
02Entity
03Time block
04Conditions
05Result
Calculation date
Data files are stored per date in browser. Changing date loads that date's files.
Select a date
Determines WS VLwS volume limit set
Price data
Upload either the NLDC DSM file (final, area-wise) or the IEX DAM ACP file (provisional). The calculator detects which format automatically.
NLDC DSM file Final · area-wise NR + DAM ACP + AS
Format: DSM_DD-MM-YYYY_NNN.csv from dsm.nldc.in · Contains NR, DAM ACP and AS charge for all 14 areas · Available 7–15 days after date of operation
Not loaded
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IEX DAM Market Snapshot Provisional · single all-India MCP
Format: DAM_Market_Snapshot.xlsx directly from iexindia.com · MCP (Rs/MWh) column used as NR proxy · No area split · 96 time blocks
Station data
Station CSV Upload when schedule changes
Columns: block, time, scheduled_gen_mw, available_capacity_mw, contract_rate_rs_kwh, connectivity_granted_mw, area
Area codes: A1 A2 E1 E2 N1 N2 N3 S1 S2 S3 W1 W2 W3 · Generation and capacity values in MW
Not loaded
Entity classification
Contract / Reference rate sourced from station CSV
Time block selection
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Selecting block auto-fills scheduled gen, available capacity, contract rate, NR
49.9050.0050.0550.10 Hz
Enter frequency
Auto-filled from files
Select time block
Select time block
Select time block
Select time block
Select time block
Special conditions (default: None)
Conditions marked "Not in v1" are shown for completeness but do not affect the calculation in this version.