Topic:"Integrated Resource Plan" in M12591

C0032664 NSEB IR-5 Attachment 1 Page 14 of 92 REDACTED (CONFIDENTIAL INFORMATION REMOVED) FINAL NS POWER DISPATCH STUDY - O5: Natural gas and fuels markets do not follow the same dynamics and schedule of electricity markets and, as a resul...

AI summary The dispatch study discusses the challenges of aligning natural gas procurement with electricity market schedules, highlights the role of fuel switching at Tufts Cove, and explains how Wreck Cove and Tufts Cove will function as swing units as renewable energy grows. It also notes the use of PortOps® and PLEXOS® for economic dispatch and long-term planning.

C0032664 NSEB IR-5 Attachment 1 Page 32 of 92 REDACTED (CONFIDENTIAL INFORMATION REMOVED) FINAL NS POWER DISPATCH STUDY of Tufts Cove incorporates three gas prices: (1) the baseload, contracted price of gas for which prices and volume limi...

AI summary The dispatch of Tufts Cove incorporates multiple gas price scenarios and considers real-time system conditions and reliability benefits. Over time, Tufts Cove is expected to be used more for grid stability than energy provision, as outlined in NS Power's IRP.

C0032664 NSEB IR-5 Attachment 1 Page 37 of 92 REDACTED (CONFIDENTIAL INFORMATION REMOVED) FINAL NS POWER DISPATCH STUDY take advantge of this optimization is extensive and will continue to increase with the complexity of the system. Consis...

AI summary The document discusses the optimization of real-time electricity markets and the challenges of aligning natural gas procurement with electricity dispatch schedules. It emphasizes the importance of flexibility in gas procurement and the role of fuel switching at Tufts Cove. The integration of intermittent resources and the use of tools like PLEXOS® and PortOps® in economic dispatch and ancillary service modeling are highlighted.

C0032664 NSEB IR-5 Attachment 1 Page 67 of 92 REDACTED (CONFIDENTIAL INFORMATION REMOVED) FINAL NS POWER DISPATCH STUDY PortOps® to support their economic dispatch decisions. Both PLEXOS® and PortOps® explicitly model ancillary services wi...

AI summary The document discusses Nova Scotia Power's use of PortOps® and PLEXOS® for economic dispatch and resource planning, emphasizing their role in optimizing energy and ancillary services. As renewable energy increases, the difference between Day Ahead, Intraday, and Real Time dispatch is expected to grow, with Wreck Cove and Tufts Cove becoming swing units. Ancillary services will need to be valued in future contracts.

a. Observations - O1: The Marketing Desk optimizes the dispatch schedule to solve for the economics of the dispatch of the facilities for energy and ancillary services that yield the smallest cost possible. The Control Center reassesses an...

AI summary The document outlines the optimization processes of the Marketing Desk and Control Center in managing energy and ancillary services. It highlights the differences in market dynamics between electricity and natural gas, the role of fuel switching at Tufts Cove, and the use of tools like PortOps® and PLEXOS® in economic dispatch and ancillary service modeling to minimize system costs.

C0032664 NSEB IR-5 Attachment 1 Page 74 of 92 REDACTED (CONFIDENTIAL INFORMATION REMOVED) FINAL NS POWER DISPATCH STUDY - O9: PLEXOS® is being used by the System Planning group to perform long-term resource planning and to support activiti...

AI summary The document discusses Nova Scotia Power's use of PLEXOS® and PortOps® in long-term resource planning and real-time dispatch, emphasizing the co-optimization of energy and ancillary services. It also addresses communication between the Control Center and Marketing Group and the challenges of integrating intermittent renewables into real-time dispatch.

5.11.Operating Reserves As the participation of renewables in the portfolio continues to increase, NS Power will need to carry incremental operating reserves to support the intermittency of renewables. Given the existing generation portfol...

AI summary As renewable energy increases in the generation portfolio, NS Power will need additional operating reserves, likely sourced from existing thermal units, leading to decreased capacity factors and increased cycling. The 2020 Integrated Resource Plan confirms that existing reserves are adequate, but Concentric suggests future analyses should consider economic dispatch optimization and variability in wind availability.

C0032664 NSEB IR-5 Attachment 1 Page 86 of 92 REDACTED (CONFIDENTIAL INFORMATION REMOVED) FINAL NS POWER DISPATCH STUDY SECTION 7:

AI summary The document presents a final section of the NS Power Dispatch Study, focusing on the Integrated Resource Plan (IRP) and related operational systems such as the Security-Constrained Economic Dispatch (SCED) and Real-Time Security-Constrained Economic Dispatch (RT SCED). It references various energy management systems and technologies used in power dispatch operations.

of information sharing between System Operators and Market Participants. The SDD will also enable stakeholders to access real-time information on the Open Access Same-time Information System (OASIS). The Outage Request Platform is used to...

AI summary NS Power is implementing the Outage Request Platform to manage outages in systems with variable renewable energy resources. The platform automates outage submission, validation, and scheduling, improving management of a more complex outage portfolio. The initiative supports the Evergreen IRP objectives and NS Power's 2030 renewable electricity targets as the system transitions to a dynamic portfolio with high renewable energy penetration.

Request IR-3: - Please explain how the proposed new technology solutions correlate to the Evergreen IRP and - NS Power's progress to the 2030 renewable electricity target.

AI summary The request asks for an explanation of how proposed new technology solutions align with the Evergreen Integrated Resource Plan (IRP) and NS Power's progress toward the 2030 renewable electricity target.

t functionalities. This implementation will help to support anticipated future system complexities.” 1. Please explain the possible impact to customers and NS Power’s overall reliability performance. Please explain how the proposed new tec...

AI summary The text requests explanations regarding the impact of new technology solutions on customer reliability, their alignment with the Evergreen IRP and renewable targets, details on deliverables, matter numbers related to studies, and operational challenges faced by NS Power ECC. The focus is on understanding the proposed technologies and their role in system modernization.

of information sharing between System Operators and Market Participants. The SDD will also enable stakeholders to access real-time information on the Open Access Same-time Information System (OASIS). The Outage Request Platform is used to...

AI summary The document discusses NS Power's implementation of the Outage Request Platform and System Data Display (SDD) to improve outage management and information sharing in systems with high renewable energy penetration. These tools are expected to support NS Power's 2030 renewable electricity targets and the Evergreen IRP objectives.