G-PST/ESIG Webinar Series: Operational Experience with Battery Energy Storage in ERCOT
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- čas přidán 17. 07. 2024
- Featured Speaker: Nitika Mago, Manager, Balancing Operations Planning, ERCOT
About the Webinar: As of February 28, 2023, ERCOT has integrated about 3,014 MW of battery energy storage resource (includes standalone and co-located, transmission connected, and distribution connected) capacity on its grid. ERCOT is projecting to add an additional 4,028 MW by end of 2023. These battery energy storage resources are actively participating both in ERCOT’s Ancillary Service and energy markets. Since late 2019, ERCOT has developed several Market rules and implemented system changes to support integration of duration limited battery energy storage resources within its footprint and continue reliable grid operations. During the same time ERCOT has also brought about changes to the design of its Ancillary Services (aka “operational reserves”) program including creating a new Fast Frequency Response (FFR) product that can help improve frequency response and widen ERCOT’s operating range for inertia. This webinar will provide an overview of ERCOT’s experience (including challenges) with battery energy storage operations, share strategies including tools, procedures, and approaches that have been incorporated or are in the process of being implemented to improve ERCOT’s monitoring and modeling of battery energy storage capability (“state of charge”).
Consider timestamping these videos for engineers who need to get to the punch. Use the outline shown @ 5:39 with timestamps for starters. Listing of Anchillary services (and what the acronyms stand for) @ 8:43, challenges @25:47, key takeaways at 34:56; @41:11, monitoring for State of Charge & sending SOC info to SCADA: currently receive 3 telemetry points from BESS, current SOC, max limit at which the BESS will operate and what's the min limit at which they will operate to ensure enough charge being preserved. @ 44:50, Primary Frequency Response deadband set at 17MHZ and droop settings as low as1%, triggered at 59.85Hz with 250ms response time. @ 52:02, with ERCOT not actively managing SOC, what is the mechanism for monitoring and mitigating insufficient SOC? Currently it is purely monitoring using real-time info only
at 18:22, you talk how ercot models batteries but there are many models (steady state, dynamic, state estimator model, ATC engine model to compute transmission capability, etc) can you clarify WHICH model this is? it's not obvious