Market · Technology · Supply Chain
Electrical Asset
Monitoring for
Data Centers
In a data center, the electrical chain is the business: utility feed, switchgear, generators, UPS, batteries and busway stand between the racks and an outage that costs thousands of dollars a minute. The AI build-out is pushing power density and demand to new extremes, straining both the power chain and the grid it draws from. This briefing maps the market, the sensing and analytics stack, the leading vendors, an end-to-end reference architecture, and the supply chain behind critical-power monitoring.
The Market
Data-center monitoring is driven by one non-negotiable: availability. Spend follows uptime risk and, increasingly, energy efficiency and grid constraints — across power monitoring, DCIM, UPS/battery monitoring and predictive analytics on the critical-power chain.
Sizing the opportunity
Framed through its parent markets:
- DCIM & data-center management software — growing roughly 10–14% CAGR as operators seek visibility over power, cooling, capacity and assets.
- Critical-power & branch-circuit monitoring — energy and power-quality sensing from the utility feed down to the rack, expanding with density and efficiency pressure.
- UPS & battery monitoring — targeted at the leading cause of UPS-related outages; cell-level analytics to pre-empt battery failure.
- AI/HPC power infrastructure — the fastest-moving driver, with high-density halls, liquid cooling and new power architectures reshaping monitoring needs.
The practical read: spend follows the cost of downtime and, now, the AI-driven scramble for power and efficiency — favouring monitoring that pre-empts failures, optimizes PUE and exposes capacity headroom.
What is pulling the market forward — and what is holding it back
Demand Drivers
- AI / hyperscale build-out
- The dominant force: AI and cloud growth are driving unprecedented power demand and rack density, stressing the power chain and demanding finer monitoring.
- Uptime is paramount
- Downtime costs thousands per minute against strict SLAs; any electrical failure is an outage, making predictive monitoring a direct risk control.
- Battery failure risk
- Battery problems are the leading cause of UPS-related outages, putting battery-monitoring systems at the center of availability programs.
- Energy cost, PUE & sustainability
- Energy is a top operating cost and an ESG focus; power monitoring underpins PUE optimization and disclosure.
- Rising power density
- AI racks at 40–100+ kW push busway, PDUs and switchgear harder, requiring continuous thermal and power monitoring.
- Grid constraints & reporting
- Power availability now shapes siting, and regulations (e.g. EU efficiency reporting) demand energy visibility.
Regional dynamics
The biggest market — Northern Virginia, Texas and beyond — now reshaped by the AI build-out and emerging grid-capacity constraints on siting.
Frankfurt, London, Amsterdam, Paris and Dublin hubs under tightening energy, sustainability and grid constraints, with efficiency-reporting requirements.
Rapid expansion across Singapore, India, Japan, China and Southeast Asia, with new hyperscale and colocation capacity.
Emerging hubs (Gulf states) and Latin America adding capacity, frequently greenfield and digitally specified from the start.
Assets & Key Technologies
Data-center monitoring spans the whole power chain — from MV switchgear to the rack — with battery health, continuous thermal sensing and branch-circuit power monitoring as the highest-value signals, unified by DCIM and predictive analytics.
The assets under watch
Monitoring modalities
Data centers instrument every level of the power chain and lean hardest on battery analytics and continuous thermal sensing, where failures are most likely and most catastrophic.
- Battery monitoring systems — continuous cell voltage, internal impedance and temperature to predict the battery failures that most often take down a UPS.
- Branch-circuit & power monitoring — energy, current and power quality from the utility feed through UPS, PDU and busway down to the rack.
- Continuous thermal monitoring — fixed sensors and IR on switchgear, breakers, busway joints and connections to catch hotspots before failure.
- UPS monitoring — load, status, runtime, capacitor and fan health, and transfer behavior.
- Generator monitoring — readiness, fuel, battery, run-hours and load, ensuring availability when the grid fails.
- Switchgear / breaker monitoring — operation, contact wear and partial discharge on MV gear.
- Transfer-switch (ATS/STS) monitoring — transfer events, timing and source quality.
- Power-quality monitoring — harmonics and THD from non-linear IT loads, plus voltage events.
- PUE & energy analytics — facility energy efficiency, capacity and headroom tracking.
- Predictive analytics / AI — failure prediction and capacity optimization across the power chain, with digital twins of the electrical topology.
- Environmental sensing — temperature, humidity and airflow tying the electrical and cooling envelopes together.
The enabling stack
- Power meters & BCM — metering and branch-circuit monitoring devices at every level of distribution.
- Battery monitoring hardware — string and cell-level monitors feeding analytics.
- DCIM — Data Center Infrastructure Management unifying power, cooling, space and assets.
- EPMS — the electrical power monitoring system / SCADA layer for the power chain.
- Facility gateways & edge — aggregating Modbus/SNMP/BACnet devices and converting to MQTT/Redfish.
- Predictive APM & AI — failure prediction, capacity planning and digital twins.
- Energy / PUE analytics — efficiency and sustainability reporting.
- EAM/CMMS integration — turning condition into work orders for batteries, breakers and gear.
Protocols & standards that tie it together
Leading Solutions
The field is led by the critical-power OEMs (who supply UPS, switchgear and DCIM), the battery-monitoring specialists, the DCIM software vendors, and the generator and busway makers. Selected leaders and their relevant offerings:
| Company | Relevant platform / products |
|---|---|
| Schneider Electric | EcoStruxure IT DCIM, Galaxy UPS, PowerLogic power monitoring, switchgear and ASCO transfer switches — a leader across the critical-power and management stack. |
| Vertiv | UPS (Liebert), switchgear, busway, Alber battery monitoring and Environet/monitoring software — a dominant data-center power player. |
| Eaton | UPS, switchgear, PDUs, Brightlayer Data Centers DCIM and PredictPulse remote monitoring and diagnostics. |
| ABB | Critical-power distribution, UPS and ABB Ability monitoring for data-center electrical systems. |
| Siemens | Switchgear, power monitoring, Siemens Xcelerator for data centers and Senseye predictive maintenance. |
| Legrand | Starline busway, PDUs and Raritan/Server Technology rack PDUs with power monitoring. |
| Mitsubishi Electric | Large-capacity UPS systems and monitoring for high-availability facilities. |
| Cummins · Caterpillar · Kohler | Standby generators with native controls and monitoring (e.g. Cummins PowerCommand) for backup power. |
| Piller · Rolls-Royce MTU | Rotary UPS and large gensets for high-density, high-availability sites. |
| Alber · BTECH · Canara | Battery-monitoring specialists tracking cell voltage, impedance and temperature to pre-empt UPS battery failure. |
| Nlyte (Carrier) | Established DCIM for asset, power and capacity management. |
| Sunbird · FNT · Hyperview | DCIM platforms for power, capacity and asset visibility. |
| EkkoSense | AI-driven thermal and power optimization and capacity analytics for data halls. |
| Packet Power · Geist (Vertiv) | Wireless and in-rack power and environmental monitoring. |
| Panduit · nVent | Power distribution, busway and infrastructure monitoring. |
| IRISS · Grace | Permanent thermal and electrical-safety monitoring windows and sensors for switchgear. |
Reference Use Case
UPS, battery and switchgear monitoring in an AI/HPC data hall to pre-empt an outage — a representative deployment that exercises battery analytics, continuous thermal sensing and branch-circuit monitoring under DCIM, traced from the power chain to the NOC alongside the architecture diagram below.
A battery string flagged before the transfer it would have failed
A high-density AI hall draws power through MV switchgear and transformers, backed by standby generators, UPS systems with battery strings, and ATS/STS gear, distributed via busway, PDUs and rack PDUs to racks pulling 40–100+ kW each. The risks: a battery that can’t carry the load during a transfer (the leading UPS-outage cause), a hot busway or switchgear connection under heavy AI load, and capacity quietly running out as the hall fills.
Monitoring watches the whole chain. The battery monitoring system detects rising internal impedance and a temperature anomaly in one UPS string — a cell degrading toward the point where it could fail to support the load during a utility-to-generator transfer. Separately, continuous thermal sensors flag a warming busway joint on a high-density feed, and branch-circuit monitoring shows the hall approaching its power envelope as new racks energize.
The DCIM raises prioritized alerts, and the EAM schedules a proactive battery replacement and a busway re-termination during planned maintenance — before either could cause an outage. Power and PUE analytics expose the remaining capacity headroom for deployment planning. A multi-thousand-dollar-per-minute outage is averted, a thermal fault is pre-empted, and the hall’s energy and capacity are kept under control.
From signal to outcome
Analytics applied: battery internal-impedance and temperature trending; branch-circuit power and capacity analysis; continuous thermal-hotspot detection on busway and switchgear; UPS and generator health analytics; PUE/energy modeling; and ML predicting failures and capacity limits across the chain. Actions generated: prioritized alerts, a proactive battery-replacement and busway re-termination work order, capacity-headroom guidance for rack deployment, and SLA/ESG reporting.
Outcome figures are illustrative industry-typical ranges, not guarantees — actual results depend on asset criticality, configuration, loading, and how well alerts feed real decisions.
Company Landscape
A structured map across data centers — critical-power OEMs, battery-monitoring specialists, DCIM software, and generator and busway makers. Overlaps are common.
| Category | Representative companies |
|---|---|
| Power Critical-power OEMs (UPS/switchgear) | Schneider Electric (APC) · Vertiv · Eaton · ABB · Siemens · Mitsubishi Electric |
| Gen Standby generators & transfer | Cummins · Caterpillar · Kohler · Rolls-Royce MTU · Generac · ASCO (Schneider) |
| Batt Battery monitoring | Vertiv (Alber) · BTECH · Canara · NDSL (Cellwatch) · Eagle Eye Power Solutions |
| DCIM Management software | Schneider (EcoStruxure IT) · Vertiv · Eaton (Brightlayer) · Nlyte (Carrier) · Sunbird · FNT · Hyperview |
| Dist PDU / busway / rack power | Legrand (Starline · Raritan · Server Technology) · nVent · Panduit · Vertiv (Geist) |
| Mon Power & thermal monitoring | Schneider (PowerLogic) · Packet Power · IRISS · Grace · Sensata |
| AI Optimization & analytics | EkkoSense · Coolgradient · Etix · Modius |
| Cyber OT security | Dragos · Claroty · Nozomi Networks · Fortinet |
| Commx Commissioning & engineering | M&E engineering firms · commissioning agents (CxA) · Jacobs · AECOM |
| User Operators | Hyperscalers (AWS · Microsoft · Google · Meta) · colos (Equinix · Digital Realty) · enterprises |
Supply Chain
The value chain runs from battery cells and power semiconductors through UPS, switchgear and generators, the DCIM/EPMS software layer, critical-facility contractors, and the operators — with severe electrical-gear lead times and grid-power availability as defining constraints.
Key supply-chain considerations & risks
Electrical-gear lead times
The data-center boom pushed lead times for switchgear, transformers, generators and UPS past a year or more — a binding constraint on capacity.
Grid-power availability
Power and interconnection scarcity now shapes siting as much as land or fiber — a supply constraint outside operators’ control.
Li-ion battery supply & safety
Battery-cell supply and thermal-runaway risk constrain UPS and BESS choices and elevate monitoring needs.
Semiconductor supply
UPS and power-electronics output depends on constrained semiconductors.
Skilled critical-facility labor
A shortage of experienced engineers and commissioning agents gates safe, fast deployment.
Cyber & vendor concentration
OT/IT convergence and reliance on a few large power and software vendors raise security and lock-in risk.