Skip to main content
Renewalytics
Toggle theme
State Regulatory Handbook

Gujarat Deviation Settlement Mechanism (DSM) Guide

Gujarat is a major renewable corridor with massive wind-solar hybrid clusters in Kutch and Charanka. GERC enforces structured deviation slabs with tight scheduling compliance through Gujarat SLDC.

Last reviewed: 12 Aug 2026
Reviewer: Mohit Kumar Singh
Order: 2023 (01 Apr 2023)

SLDC Submission & Revision Windows — Gujarat

Gujarat SLDC (GETCO)
Day-Ahead Deadline
09:30 AM day-ahead
Intra-Day Revisions
Up to 16 Revisions
Gate Closure Lead
6 Blocks (1.5 Hours)

Day-ahead schedule submitted by 09:30 AM. Revisions become effective from the 6th time block.

Applicable Deviation Penalty Slabs

Under GERC (Forecasting, Scheduling, Deviation Settlement and Related Matters of Solar and Wind Generation Sources) Regulations, the following deviation penalty schedule is enforced per 15-minute time block:

Deviation BandRegulatory Penalty RuleSettlement Multiplier
0% – 10%Within tolerance band: Nil penaltyNil
10% – 20%10% to 20% deviation: 10% of PPA Tariff≈ ₹0.29/kWh
20% – 30%20% to 30% deviation: 20% of PPA Tariff≈ ₹0.58/kWh
30% – Above 30%>30% deviation: 30% of PPA Tariff≈ ₹0.87/kWh

Operational Realities & Wind-Solar Hybrid Dynamics in Gujarat

In the Kutch region, coastal wind patterns combined with intense desert solar irradiation require hybrid forecasting models capable of capturing diurnal thermal sea-breeze effects.

GETCO SLDC enforces stringent grid frequency compliance. During high wind seasons, SLDC curtailment instructions require immediate revision submissions to protect generators against deemed generation losses.

Common Operational Failure Modes
  • Rapid coastal wind ramp-down during evening transitions coinciding with solar sunset.
  • Substation line maintenance outages at Bhuj and Charanka complexes.
Local Grid Nuances
  • Hybrid plant scheduling where solar and wind generation are combined at common metering points.

Automate Gujarat SLDC Scheduling with REFlux

REFlux integrates directly with Gujarat SLDC (GETCO) submission templates, tracking the 6-block revision window and providing single-click schedule revisions.

This guide is general information based on public regulatory orders and does not constitute formal legal counsel.