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WhiteWater today announced that it, alongside Devon Energy Corporation, MPLX LP, Diamondback Energy, Inc. and Western Midstream Partners, LP, through their Solitude Pipeline System joint venture (“Solitude”), have reached a positive Final Investment Decision (“FID”) to construct two 48-inch natural gas pipelines, each running from the Permian Basin to Katy, Texas. The project has secured substantial long-term firm transportation agreements with predominantly investment-grade shippers to support the FID. This project joins other pipeline developments in the US as the country recently experiences a boom in pipeline developments.

Solitude will deliver scalable, long-haul natural gas transportation to support Permian Basin growth and expanding Gulf Coast consumption. Furthermore, the joint venture’s pipeline system will have a flexible, phased design that provides initial capacity of roughly 2.25 Bcf/d in late 2029, and an additional 2.25 Bcf/d in 2030 with the ability to increase capacity thereafter to accommodate shipper demand. Capacity commissioning can be accelerated or deferred to align with evolving market dynamics.

Service Timeline

Solitude will enter service in the second half of 2029. This is subject to receipt of customary regulatory and other approvals.

The joint venture is owned by WhiteWater (50.0%) and Devon Energy (25.0%). Also, it is owned by MPLX (10.0%), Diamondback Energy (7.5%) and Western Midstream Partners (7.5%). Moreover, I Squared Capital and FIC Partners Management, LP are partners in WhiteWater’s Solitude investment.

Solitude Pipeline System: Project Factsheet

Name: Solitude Pipeline System

Project Type: Long-haul natural gas pipeline transmission system

Status: Positive Final Investment Decision (FID) reached (August 2026)

Target In-Service Date: Second half of 2029 (subject to regulatory and customary approvals)

Route & Infrastructure

• Origin: Permian Basin (West Texas/New Mexico)
• Destination: Katy, Texas (Gulf Coast demand hub)

Pipeline Infrastructure: Two parallel 48-inch diameter natural gas pipelines

Capacity & Phase Schedule

• Phase 1 Capacity: Approximately 2.25 Billion cubic feet per day (Bcf/d)
• Phase 1 Target Date: Late 2029 / H2 2029
• Phase 2 Capacity: Additional ~2.25 Bcf/d (bringing total system capacity to 4.5 Bcf/d)
• Phase 2 Target Date: 2030
• Future Scalability: Flexible, phased design with additional expansion capability beyond 4.5 Bcf/d based on market demand

Ownership & Joint Venture Structure

• Joint Venture Operator/Lead: WhiteWater

Equity Breakdown:

• WhiteWater: 50.0% (Backed by partners I Squared Capital and FIC Partners Management, LP)
• Devon Energy Corporation: 25.0%
• MPLX LP: 10.0%
• Diamondback Energy, Inc.: 7.5%
• Western Midstream Partners, LP: 7.5%

Commercial Structure

Shipper Profile: Backed by substantial, long-term firm transportation agreements with predominantly investment-grade shippers.

Target Markets: Expanding Gulf Coast natural gas consumption, power generation, and LNG export facilities.