Moonshot Blog
The $50M Expansion: What Scaling U.S. Electrical Manufacturing Means for AI Infrastructure
Domestic Electrical Manufacturing vs Offshore: Risk, Compliance, and Lead Time Tradeoffs
A procurement team reviews two bids for a UL891 switchboard package. One is priced lower. Fabrication is offshore. Lead time appears competitive. The other is domestic, vertically integrated, and priced slightly higher. On paper, the decision looks simple. In...
AI Workloads, Harmonics, and Why Legacy Power Designs Fail
AI infrastructure is changing electrical load behavior in ways that traditional commercial designs were never built to handle. The issue is not only higher kilowatts. It is waveform distortion. GPU clusters, power supplies, and high-frequency switching electronics...
800 VDC and the Next Generation of Data Center Power Architecture
The industry is quietly rethinking a foundational assumption. For decades, low-voltage AC distribution has been the standard inside data centers. Utility power enters, gets transformed, distributed, converted again, then stepped down at the rack. That model worked...
The Real Electrical Impact of AI Data Centers on Utility Interconnection
In 2023, several U.S. utilities began reporting a surge in large-load interconnection requests driven by AI data centers. Some regional grid operators have publicly stated that single-site load requests now reach into the hundreds of megawatts. The International...
UL891 vs Custom Fabrication: When Off-the-Shelf Switchboards Fail Mission-Critical Deployments
In mission-critical projects, UL891 compliance is essential. There’s a pattern that shows up in mission-critical projects more often than people admit. Early in the project, a standard UL891 switchboard is selected. It meets the ampacity requirements. The short...
Designing UL891 Switchboards for AI Rack Density: What Changes When the Load Never Lets Up
A commissioning engineer in a newly energized AI facility recently told a simple story. The system passed inspection cleanly. Fault current calculations were signed off. Coordination studies were complete. Within weeks of sustained production workloads, thermal...
UL891 Lead Times in 2026: What’s Driving Delays and How to De-Risk Your Project
A project schedule shows switchboards arriving in 16 weeks. The procurement team feels comfortable. The transformer order is placed. Construction sequencing moves forward. Six weeks later, copper pricing shifts. Breaker lead times extend. The required bus...
NEC Compliance in High-Density AI Environments: The Sections That Actually Matter
AI data centers are exposing weak assumptions in electrical design. Loads are higher. Utilization is sustained. Transformer sizes are increasing. Fault current levels are climbing. Inspection scrutiny is tightening. The NEC has always governed safe installation. What...
UL891 Switchboards: What Most Data Center Projects Get Wrong
On most data center projects, the attention goes to the visible complexity. Generators. UPS systems. Cooling strategy. Rack density. Utility coordination. The switchboard often moves through procurement quietly. It is specified, priced, and scheduled with limited...

