Logistics Insights
BESS Project Delays: How Owner-Furnished Equipment Changes Project Logistics
As Owner-Furnished Equipment models become more common in BESS battery storage projects, coordination between owners, OEMs, EPC contractors, and logistics providers is becoming critical for successful project delivery.
BESS project structures are evolving as more owners adopt Owner-Furnished Equipment (OFE) models. Instead of relying on a single EPC contractor, owners directly purchase major battery storage equipment from OEMs while EPC contractors manage construction and installation.
This approach provides greater procurement flexibility but also creates more interfaces between:
Owner → OEM → Logistics Provider → EPC Contractor
Successful execution depends on keeping equipment supply, transportation, installation, and project schedules aligned.
01. HOW OWNER-FURNISHED EQUIPMENT CHANGES BESS EPC RESPONSIBILITIES
Under a traditional turnkey EPC model, one contractor typically manages procurement, construction, installation, and commissioning coordination.
In an Owner-Furnished Equipment (OFE) structure, these responsibilities are divided among multiple parties:
Owner → Purchases BESS Equipment
OEM → Manufactures and Supplies Battery System
EPC → Manages Installation and Project Construction
The exact allocation of responsibilities may vary depending on the project structure and contractual scope.
This model gives owners more control over equipment procurement, but it also creates additional interfaces between equipment supply, logistics, and project execution. The key challenge is ensuring that OEM delivery schedules, EPC construction activities, and project milestones remain aligned.
02. WHY BESS EQUIPMENT DELIVERY ISSUES ARE NOT ALWAYS CAUSED BY OEMS
When a BESS project falls behind schedule, equipment delivery is often the first factor reviewed. However, project delays usually involve multiple connected activities across the supply chain and construction process.
Project execution depends on alignment between:
OEM Supply → Logistics Delivery → EPC Installation → Project Commissioning
An OEM may complete equipment production on schedule, but delays in site readiness or construction progress can affect the installation timeline.
Similarly, an EPC contractor may prepare the site, but changes in equipment availability or delivery timing can impact project execution. The key challenge is not only whether equipment is supplied on time. It is whether equipment delivery aligns with the overall project schedule.
03. WHY BESS LOGISTICS AND WAREHOUSE PLANNING BECOME CRITICAL IN OFE PROJECTS
In an Owner-Furnished Equipment project, logistics connects the entire delivery process:
OEM Production → Transportation → BESS Warehouse → Site Delivery → EPC Installation
Because BESS equipment is often large, high-value, and project-specific, delivery planning requires coordination between contractual responsibilities, warehouse availability, transportation schedules, and installation milestones.
Without proper BESS logistics and warehouse planning, companies may face extended storage periods, additional inventory management requirements, transportation schedule changes, and site receiving challenges. These issues can become more complicated when equipment procurement, transportation, and installation are managed by different parties.
Before shipment, project teams need to align key factors such as equipment availability, site receiving readiness, temporary storage requirements, unloading responsibilities, and final delivery timing. By integrating logistics planning into the project schedule from the beginning, companies can better support EPC installation activities and reduce unexpected delivery conflicts.
04. HOW BESS COMPANIES CAN REDUCE INTERFACE RISKS
As BESS projects become more complex, companies need stronger alignment between OEM supply schedules, EPC installation plans, and logistics execution. A coordinated approach should connect:
OEM Supply Schedule → BESS Logistics Plan → EPC Installation Schedule → Project Completion Milestones
To reduce interface risks, project teams should define delivery responsibilities early, including equipment readiness, site receiving conditions, storage arrangements, and coordination between OEMs, logistics providers, and EPC contractors.
By integrating logistics planning earlier in the project lifecycle, companies can reduce unexpected storage requirements, transportation disruptions, and delivery conflicts. More importantly, a coordinated delivery strategy helps ensure that equipment arrives at the right time, at the right location, and with the right project conditions in place.
Frequently Asked Questions
What is Owner-Furnished Equipment in a BESS project?
Owner-Furnished Equipment (OFE) means the project owner purchases major equipment directly from suppliers, while EPC contractors manage other project activities such as construction and installation.
What is the difference between turnkey EPC and Owner-Furnished Equipment?
In a turnkey EPC model, one contractor typically manages a broader scope of project responsibilities. In an OFE structure, equipment procurement and project construction responsibilities are divided among different parties.
Who is responsible for BESS project delays?
Responsibility depends on the specific contract structure and project scope. Delays may involve equipment supply, construction activities, site readiness, logistics coordination, or commissioning requirements.
How does Owner-Furnished Equipment affect BESS logistics?
OFE structures can increase logistics complexity because equipment procurement, transportation, storage, and installation activities involve different parties. Clear coordination between OEMs, logistics providers, and EPC contractors helps maintain project schedules.
FROM OEM SUPPLY TO BESS PROJECT EXECUTION
For BESS projects, successful delivery depends on more than equipment transportation. It requires coordination between OEM supply schedules, EPC installation plans, warehouse operations, and logistics execution.
VOC supports battery and energy storage companies with:
• U.S. BESS warehousing
• Battery storage logistics
• Project inventory staging
• Transportation coordination
• Final delivery support
By connecting warehouse operations with project schedules, VOC helps companies improve delivery visibility, manage inventory requirements, and reduce logistics risks throughout the BESS project lifecycle.
Contact VOC →Data Sources & Disclaimer
This article is based on publicly available BESS contracting analysis, energy storage project execution guidance, and battery supply chain insights for educational and industry discussion purposes.
Key references include:
- Publicly available BESS EPC contract analysis and industry guidance
- Publicly available energy storage project development research
- Battery supply chain and logistics industry analysis
Contract structures, responsibility allocation, project schedules, and delivery requirements may vary depending on project scope, commercial agreements, technology selection, and operational conditions.