Storage

At Grid Mule, we provide the specialized electrical expertise required to build and energize large-scale Battery Energy Storage Systems (BESS) across the United States. These projects demand precision, safety, and deep technical knowledge—and our teams deliver at every stage. From MV cable work to substation integration and commissioning, Grid Mule ensures your storage system is built to perform reliably for decades.

BESS projects are unique in their complexity, requiring careful coordination between battery enclosures, inverters, transformers, and substations. Our skilled crews handle the full MV/HV electrical scope, ensuring that every connection is safe, efficient, and compliant with industry standards.

What We Offer On Site

Grid Mule brings proven MV/HV capabilities to BESS projects, supporting safe installation, integration, and energization. Our scope of work includes:

• MV Cable Installation – Running and securing underground and aboveground MV cable systems to connect battery enclosures, inverters, and substations.
• Cable Splicing – Performing precision collector and feeder line splicing to maintain system reliability.
• MV Cable Termination – Completing accurate and high-quality terminations within battery enclosures, switchgear, and substations.
• Switching Capabilities – Providing safe switching support during energization, maintenance, and commissioning activities.
• MV Substation Construction – Building substations that step up stored energy for transmission to the grid.
• Transformer Installation – Setting and connecting step-up transformers between inverters and the substation.
• Grid Connection Support – Coordinating with utilities to integrate BESS into the grid for peak shaving, load balancing, and renewable support.
• Testing & Commissioning – Conducting detailed testing, energization, and system commissioning to ensure compliance, safety, and performance.
• Warranty Work – Delivering post-construction troubleshooting, service, and warranty support to keep systems operating at peak performance.

Why Partner With Grid Mule 

• Safety Above All – Our technicians are trained and certified in MV/HV systems and follow strict safety protocols.
• Efficient Delivery – Experienced crews and proven workflows minimize delays and keep projects moving forward.
• Reliable Performance – Skilled installation and thorough testing ensure long-term operational reliability.
• Compliance Guaranteed – Knowledge of codes and industry standards ensures your BESS project is energized with confidence.

At Grid Mule, we bring more than manpower—we bring precision, expertise, and commitment to every Battery Energy Storage project. From first cable pull to final grid tie-in, our teams ensure your system is built for safe, efficient, and lasting performance.