---
title: "ENERGY CAPITAL PARTNERS II, LLC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d2e1b0bb-79f8-5492-aac9-329aeebe4d9d
json: https://whiteintel.dev/api/public/dossier/d2e1b0bb-79f8-5492-aac9-329aeebe4d9d
identifier: sec:0001558915
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ENERGY CAPITAL PARTNERS II, LLC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001558915`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d2e1b0bb-79f8-5492-aac9-329aeebe4d9d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d2e1b0bb-79f8-5492-aac9-329aeebe4d9d  

## Ownership & control

### Holdings / subsidiaries

- **SUMMIT MIDSTREAM PARTNERS, LP** (tenpercentowner) — https://whiteintel.dev/entity/39b93122-dd97-5ff3-8452-1c873e19fd4c
- **SUMMIT MIDSTREAM PARTNERS, LP** (tenpercentownerother) — https://whiteintel.dev/entity/39b93122-dd97-5ff3-8452-1c873e19fd4c
- **SUMMIT MIDSTREAM PARTNERS, LP** (director) — https://whiteintel.dev/entity/39b93122-dd97-5ff3-8452-1c873e19fd4c
- **ProPetro Holding Corp.** (tenpercentowner) — https://whiteintel.dev/entity/9f34617f-3473-56cb-9561-0d06ca016643

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ENERGY CAPITAL PARTNERS II, LLC**. Human view: https://whiteintel.dev/entity/d2e1b0bb-79f8-5492-aac9-329aeebe4d9d · Structured JSON: https://whiteintel.dev/api/public/dossier/d2e1b0bb-79f8-5492-aac9-329aeebe4d9d._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._