Local Distribution Company Coordination

Why it matters

Wholesale instructions must remain compatible with distribution-system reliability and constraints.

Confirmed design

Current ERP work proposes foundational coordination protocols with LDCs hosting wholesale-participating DERs or local non-wires solutions.
Sources: Presentation
Distributor stakeholders have participated in predecessor DER and ERP engagement.
Sources: Electricity Distributors Association · Electricity Distributors Association (EDA)

Implementation status and limitations

Current ERP DER coordination design remains under engagement.

Stakeholder submissions describe positions and concerns, not controlling IESO design.
Sources: Electricity Distributors Association (EDA)

Open questions

How will operating roles, timing, and conflict resolution be allocated?

Build a handoff from this dossier

Build a source-bounded prompt locally. Nothing is sent until you choose what to do with it.

Question or outcomeAnalysis depth

Selected evidencePresentationIESO Response to FeedbackElectricity Distributors AssociationElectricity Distributors Association (EDA)

Generated handoff

# ERP Phase 1 evidence handoff

## Outcome
Explain the selected ERP material and identify the implications for Phase 1 work.

## Selected evidence
- [2026-07-21-presentation-presentation-c75445cc] Presentation — IESO; 2026-07-21; authority: primary-supporting; review: reviewed; https://www.ieso.ca/-/media/Files/IESO/Document-Library/engage/erp/ERP-DER-20260721-Presentation.pdf
- [2026-06-09-response-ieso-response-to-feedback-2879b427] IESO Response to Feedback — IESO; 2026-06-09; authority: ieso-response; review: reviewed; https://www.ieso.ca/-/media/Files/IESO/Document-Library/engage/erp/ERP-DER-20260609-IESO-Response-to-Feedback.pdf
- [2021-05-12-supporting-document-electricity-distributors-association-9765a791] Electricity Distributors Association — IESO; 2021-05-12; authority: historical; review: unreviewed; https://www.ieso.ca/-/media/Files/IESO/Document-Library/engage/enabling-resources/er-20210512-electricity-distributors-association.pdf
- [2025-08-21-submission-electricity-distributors-association-eda-b644c63c] Electricity Distributors Association (EDA) — Stakeholder; 2025-08-21; authority: stakeholder-position; review: unreviewed; https://www.ieso.ca/-/media/Files/IESO/Document-Library/engage/erp/erp-20250821-feedback-form-EDA.pdf

Selected concept dossiers:
- [ldc-coordination] Local Distribution Company Coordination: Operational and information coordination between the IESO, distributors, aggregators, and distribution-connected resources.

## Authority rules
- Treat current IESO-authored design memos as controlling program design unless a later Market Rule, Market Manual, or IESO publication supersedes them.
- Do not claim implementation unless a Market Rule, Market Manual, or other official implementation source proves it.
- Keep stakeholder submissions attributed to their authors; attribute stakeholder positions and do not present them as IESO decisions.
- Use superseded and historical sources only for lineage. Label what changed.
- Treat recordings as catalog-only unless a reviewed transcript is explicitly supplied.
- If two sources conflict, prefer the later higher-authority source and describe the conflict.

## Citations
Cite every substantive claim with document title, publication date, page when available, document ID, and canonical URL. Never invent a page number.

## Known gaps
- 2021-05-12-supporting-document-electricity-distributors-association-9765a791: unreviewed; historical. Verify before relying on content-specific claims.
- 2025-08-21-submission-electricity-distributors-association-eda-b644c63c: unreviewed; stakeholder-position. Verify before relying on content-specific claims.

## Requested depth
Give a practical, structured analysis suitable for daily program work. Distinguish confirmed design, history, stakeholder feedback, and open questions.

## Answer format
1. Direct answer
2. Confirmed ERP design
3. Historical or stakeholder context
4. Phase 1 implications
5. Open questions and evidence gaps
6. Source list

Work only from the selected evidence. If the evidence is insufficient, say exactly what is missing.

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