Powering Next-Gen AI Infrastructure & Existing Data Centre Retrofits Without Degradation
This technical framework is powered by Wright Energy Storage Technologies (WEST)'s advanced electrostatic energy storage technology architecture—optimised for high-rate data centre environments (such as the WEST Envoy Series)—utilising electrostatic storage without chemical conversions to prevent internal heat generation, eliminate thermal runaway risks, and support high C-rate architectures with modular field-servicing capabilities.
Core Application Pillars for Greenfield & Brownfield Sites
- - AI data centres exhibit rapid, high-frequency load transients driven by GPU/accelerator workload scheduling, power capping strategies, and tightly regulated rack-level power delivery.
- - Designed to solve operator struggles in finding equipment that supports UPS operational needs for front-end buffering, transient handling, load smoothing, and short-duration ride-through events reliably and without significant degradation.
- - Rack & Row Power Smoothing: Absorbing short spikes and providing brief supplemental power during step changes in accelerator utilisation, extending the life of existing power delivery infrastructure.
- - DC Bus Stabilization: Reducing bus voltage droop and limiting peak currents seen by upstream rectifiers and switchgear, stabilizing aging or heavily loaded legacy bus architectures.
- - Grid-Interactive Control Support & Ride-Through: Responding to facility-level power setpoint changes (e.g., demand limiting) without impacting IT load, and covering very short disturbances until longer-duration UPS or generators assume the load.
Validated Performance & Granular Metrics
- - Microevent Endurance (0.5s to 10s): Defined as short dispatch events representing fast power corrections around a nominal operating point rather than full-depth cycles, delivering massive cumulative event capabilities across 2C and 3C operational rates:
- - At 2C operation (30-minute full discharge equivalent): Supports up to 62.0 million 0.5-second events, 6.7 million 1-second events, 36.4 million 2-second events, 17.8 million 5-second events, and 3.1 million 10-second events.
- - At 3C operation (20-minute full discharge equivalent): Supports up to 46.1 million 0.5-second events, 12.6 million 1-second events, 4.8 million 2-second events, 25.5 million 5-second events, and 2.3 million 10-second events.
- - Minute-Scale Agility (1 to 8 min / Short Duration Events): Defined as dispatch events in the 1 to 8 minute range for brief load bridging, setpoint tracking, or transition support between power-system assets:
- - At 2C operation: Delivers 474K 1-minute events, 80K 4-minute events, and 14.7K 8-minute events.
- - At 3C operation: Delivers 347K 1-minute events, 24K 4-minute events, and 5.3K 8-minute events.
- - Exceptional Operational Margin (Worked Example): Designing a row-level buffer to correct 1-second power excursions at 2C (or leveraging equivalent event capability) issued at an average of 5,000 corrections per day translates to roughly 7,280 days (~19.95 years) of operational margin under similar stress conditions. (Note: 'k' denotes thousand events, where $1.0k = 1,000$).
Advanced Engineering Specifications & Integration Guidelines
- - Power Electronics & Inverter Pairing: To realize microevent capability, WEST storage requires pairing with a double-conversion converter capable of seamless response, or a converter capable of <5ms response if not using double-conversion technology. Event counts assume repeatable pulse profiles with converter and storage current limits matching the intended C-rate.
- - The Supply Response Multiplier (Major Retrofit Advantage): Baseline event counts assume the storage solution powers the entire event independently without the supply ramping up or down. In scenarios where the upstream supply partially follows the load or responds more slowly—common in brownfield retrofits—actual achievable event counts increase by an order of magnitude.
- - Sizing Rules-of-Thumb: Energy sizing is determined by the longest disturbance to be covered (seconds to minutes), while power sizing is set by the peak step change to be shaved. Select operating points by choosing the C-rate required for the peak transient, then checking expected event counts at the relevant duration to confirm lifetime margin.
Transparent Testing Protocols & Operating Conditions
- - State-of-Charge (SoC) Operating Window: Fast switching buffers operate in a mid-SoC (~70%) window (with an 80% SoC set as the top barrier) to allow both charge absorption and discharge support, keeping adequate headroom to prevent saturation during spikes while retaining energy for deep cycling during ride-through bridging.
- - Rigorous Stress Testing: Compiled from fast cycling data points at 10-second and 480-second intervals with no rest periods.
- Charge/Discharge Symmetry: Testing C-rate applies in both directions without any rest period.
- - End-of-Life Criteria: Validated against a stringent 60% State-of-Health (SOH) prediction threshold.
Data Centre Power Stability & Energy Storage
45 Year Design Life I 12 year warranty
Powered by WEST Envoy Hybrid Storage
Instant response, sustained backup Supercapacitor based solutions — without thermal
runaway risk in one unit.
Terrion Energy Solutions delivers next-generation data centre power platforms using WEST ENVOY hybrid electrostatic storage, providing instant response, sustained backup, and long-term reliability — without thermal runaway risk.
Unlike traditional systems that rely on separate UPS units, supercapacitors, and lithium batteries, WEST integrates these functions into a single, fire-safe platform.
Hybrid Electrostatic Technology
WEST ENVOY combines the speed of supercapacitors with the runtime of batteries — without chemical degradation.
This delivers:
- Instant response to load changes
- Rapid charge and discharge
- Stable performance over decades
- Reduced maintenance and replacement
One platform replaces multiple technologies.
Safety, Reliability & Compliance
WEST systems contain no volatile electrolytes and cannot propagate fire.
They are designed for safety-critical environments, simplifying approvals and improving insurability.
With operating ranges from –40°C to +65°C and efficiencies above 97%, ENVOY systems operate as permanent infrastructure assets.
Trusted Regional Partner
Terrion is an authorised regional integration partner for WEST technologies, providing:
- Local engineering support
- Regulatory compliance
- Turnkey delivery
- Long-term asset management
We work with operators, consultants, and insurers to deliver bankable, future-proof power systems.
Contact Terrion to discuss your data centre power strategy.
