Summary
Key Highlights
Objective: Ensure that all grid users adhere to their schedules of drawal and injection of electricity, maintaining security and stability of the Bihar grid.
Applicability: All intra-state entities in Bihar, including distribution licensees, deemed licensees, and open access consumers (partial and full).
Scope: Applies to RE generating stations (≥5 MW export capacity), conventional generators, buyers, open access consumers, storage systems, and QCA-aggregated wind/solar.
Major Provisions
Definitions: Covers ACP, deviation, contract rate, reference rate, WS sellers, MSW sellers, buyers, QCA, storage systems, etc.
Adherence to Schedules: Entities must follow their scheduled injection/drawal strictly. SLDC responsible for monitoring.
Deviation Computation:
- General Sellers: Based on actual injection vs scheduled generation.
- WS Sellers (wind/solar): Based on available capacity.
- Buyers: Based on actual drawal vs scheduled drawal.
Normal Rate of Charges: Based on weighted ACP of Day Ahead & Real Time markets, plus ancillary services costs.
Charges for Deviation:
- Different rules for general sellers, RoR hydro, MSW plants, WS sellers, storage systems, and buyers.
- Frequency-linked settlement for conventional generators/buyers.
- Volume-limit linked settlement for RE generators (solar/wind).
- ESS treated separately with rules for charging/discharging.
Infirm Power & Start-up Power: Special settlement rules before COD and during trial runs.
Deviation Pool Account:
- Maintained by SLDC.
- Weekly accounting & settlements.
- Surplus funds to be used for grid reliability, training, and system studies.
Payment & Default:
- Settlement within 10 days; 0.04% daily surcharge for delay.
- LC requirement (110% of average weekly liability) for habitual defaulters.
Reactive Energy Management: Handled by SLDC per IEGC; temporary settlement via Deviation Pool until a separate reactive account exists.
Powers of Commission:
- Relaxation, amendment, interpretation, removal of difficulties.
- Repeals 2020 DSM Regulations.
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