Risk-Based Capacity Accreditation of Resource-Colocated Large Loads in Capacity Markets
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866910020768104448 |
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| author | Li, Siying Tong, Lang Mount, Timothy D. |
| author_facet | Li, Siying Tong, Lang Mount, Timothy D. |
| contents | We study capacity accreditation of resource-colocated large loads, defined as large demands such as data center and manufacturing loads colocated with behind-the-meter generation and storage resources, synchronously connected to the bulk power system, and capable of participating in the wholesale electricity market as an integrated unit. Because the accredited capacity of a resource portfolio is not equal to the sum of its individual resources' capacity values, we adopt a risk-based capacity accreditation framework to evaluate the combined reliability contribution of colocated resources. Grounded in the effective load carrying capability (ELCC) metric, the proposed capacity accreditation employs a convex optimization engine that jointly dispatches colocated resources to minimize reliability risk. We apply the developed methodology to a hydrogen manufacturing facility with colocated renewable generation, storage, and fuel cell resources. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2511_17715 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Risk-Based Capacity Accreditation of Resource-Colocated Large Loads in Capacity Markets Li, Siying Tong, Lang Mount, Timothy D. Systems and Control We study capacity accreditation of resource-colocated large loads, defined as large demands such as data center and manufacturing loads colocated with behind-the-meter generation and storage resources, synchronously connected to the bulk power system, and capable of participating in the wholesale electricity market as an integrated unit. Because the accredited capacity of a resource portfolio is not equal to the sum of its individual resources' capacity values, we adopt a risk-based capacity accreditation framework to evaluate the combined reliability contribution of colocated resources. Grounded in the effective load carrying capability (ELCC) metric, the proposed capacity accreditation employs a convex optimization engine that jointly dispatches colocated resources to minimize reliability risk. We apply the developed methodology to a hydrogen manufacturing facility with colocated renewable generation, storage, and fuel cell resources. |
| title | Risk-Based Capacity Accreditation of Resource-Colocated Large Loads in Capacity Markets |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2511.17715 |