Atlas Pro — 1-yr history, chart & CSV exports, new features, daily brief, MCP connector
— ₹399/mo.Atlas Pro — 1-yr history, chart & CSV exports, new features, daily brief, MCP connector
— ₹399/mo.Atlas Pro — 1-yr history, chart & CSV exports, new features, daily brief, MCP connector
— ₹399/mo.
Live sample — regenerated weekly
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Sold by India Energy Atlas · Commercial license · cite: India Energy Atlas (energymap.in), compiled from ERPC DSM/RRAS/FRAS/SCED account files and Grid-India / state-SLDC frequency telemetry
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The frequency of India's synchronous grid (50 Hz nominal) at true 15-minute resolution — 96 blocks per day, all-India. India has run as a single synchronous grid since December 2013, so one frequency series applies nationwide.
The measured history (Dec 2022 to Aug 2025) is reconstructed from the Eastern Regional Power Committee (ERPC) DSM/RRAS/FRAS/SCED settlement accounts — the block frequency the grid is actually settled against — and continues to real-time via the live mean of state-SLDC frequency telemetry. Each row carries the block-mean frequency, the signed deviation from 50 Hz, the IST block number (1-96) and the source that produced it.
Built for IEGC band-compliance analytics, DSM and ancillary-services studies, frequency-response and BESS modelling, and grid-stability research.
Measured 15-min blocks 2022-12-26 to 2025-08-31 from ERPC DSM accounts (973 days, 96 blocks/day; one 7-day gap 13-19 May 2024), then continued to real-time from the live SLDC-average feed. Earlier than Dec 2022 is not available from this source.
| grid_frequency | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09 | 2025-10 | 2025-11 | 2025-12 | 2026-01 | 2026-02 | 2026-03 | 2026-04 | 2026-05 | 2026-06 | 2026-07 | 2026-08 |
No multi-day gaps detected inside the covered window at the last weekly scan.
Coverage stats generated 2026-08-17 by the weekly sample-assets pipeline · 30,432 total rows
| Column | Type | Description |
|---|---|---|
| block_start_utc | timestamptz | 15-min block start, UTC |
| block_start_ist | timestamptz | 15-min block start, IST (UTC+5:30) |
| block_no | int | IST time-block number 1-96 (block 1 = 00:00-00:15 IST) |
| frequency_hz | float | All-India grid frequency for the block, Hz (4 dp) |
| deviation_hz | float | Signed deviation from the 50.00 Hz reference |
- Compiled from ERPC public DSM/RRAS/FRAS/SCED account files; not an official Grid-India real-time feed.
- Two measurement methods are stitched: ERPC settlement-block frequency (history) and the mean of state-SLDC frequency readings (live tail). On a synchronous grid these agree closely; the `source` column marks which produced each block.
- One 7-day gap: 13-19 May 2024 (source files unavailable).
Commercial
Single-organization internal use. Redistribution or resale of the raw series is not permitted.
Cite as: India Energy Atlas (energymap.in), compiled from ERPC DSM/RRAS/FRAS/SCED account files and Grid-India / state-SLDC frequency telemetry
A one-time export built fresh from the live India Energy Atlas database at purchase time, delivered as csv_gz via a private tokened download link, with a per-state/per-month coverage report and a data dictionary included. Measured 15-min blocks 2022-12-26 to 2025-08-31 from ERPC DSM accounts (973 days, 96 blocks/day; one 7-day gap 13-19 May 2024), then continued to real-time from the live SLDC-average feed. Earlier than Dec 2022 is not available from this source.
Commercial license for single-organization internal use. Attribution: India Energy Atlas (energymap.in), compiled from ERPC DSM/RRAS/FRAS/SCED account files and Grid-India / state-SLDC frequency telemetry. Redistribution or resale of the raw series is not permitted.
The catalog shows live freshness straight from the source tables (15-minute server cache). Exports are built at purchase time, and every known multi-day gap is disclosed in the coverage report on this page — we never sell around a hole silently.
← All datasets·Source: India Energy Atlas · api.energymap.in · coverage and samples regenerated weekly
| sample_count | int | Samples averaged into the block (1 for the measured ERPC seed) |
| source | text | erpc_dsm_15min (measured ERPC DSM seed) / derived_state_sldc_frequency (live SLDC-average) |
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How much power each Indian state went short, every month since Apr 2021 — energy not served, deficit %, and peak shortage, on 33 canonical reporting entities.
from ₹2,499
2021-04 → 2026-08
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