India Data Center Review 2026 — India's most comprehensive infrastructure analysis to support the A.I. era. 250+ pages, 14 chapters, 100+ illustrations, free to download.
Read NowIndia Data Center Review 2026 — India's most comprehensive infrastructure analysis to support the A.I. era. 250+ pages, 14 chapters, 100+ illustrations, free to download.
Read NowIndia Data Center Review 2026 — India's most comprehensive infrastructure analysis to support the A.I. era. 250+ pages, 14 chapters, 100+ illustrations, free to download.
Read NowDays analysed
POSOCO PSP — All India
Avg daily range
Mean daily max − min
Min frequency
2025-09-08
Max frequency
2026-03-21
Get notified when all-India frequency leaves the IEGC band — set a threshold and we'll email or in-app alert you.
Intraday — 15-minute blocks
96 measured blocks a day — the real sawtooth of the grid, not one reading. Measured from ERPC DSM settlement accounts (Dec 2022 – Aug 2025) and continued live from the mean of state-SLDC telemetry.
Blocks analysed
Last 90 days, 15-min
Time inside band
49.9 – 50.05 Hz, block-level
Below 49.9 Hz
Under-supply blocks
Above 50.05 Hz
Over-supply blocks
15-min trace — last 7 days
Histogram — 15-min blocks
Histogram — daily min
Histogram — daily max
Frequency extremes by year
The deepest dip and highest surge from the daily archive, plus the typical daily range (mean of each day's max − min). Frequency is grid-wide on a synchronous system, so the meaningful cut is over time, not by region.
| Year | Days | Lowest (Hz) | Highest (Hz) | Avg daily range |
|---|---|---|---|---|
| 2026 | 165 | 49.5 | 50.48 | 0.377 Hz |
| 2025 | 363 | 49.46 | 50.48 | 0.356 Hz |
| 2024 | 363 | 49.51 | 50.25 | 0.414 Hz |
| 2023 | 365 | 49.6 | 50.15 | 0.466 Hz |
| 2022 | 362 | 49.6 | 50.15 | 0.472 Hz |
| 2021 | 190 | 49.6 | 50.15 | 0.445 Hz |
