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Energy verified Verified Outcome TRL 8

Liquid Air Long Duration Storage (LAES)

domain Client: National Grid Support handshake Provider: Highview Power schedule Deploy: 2020-Present
89 Impact
Enterprise Ready
Evidence Score: 5/10
Strength: High

Executive Summary

ANALYST: COI RESEARCH

Commercial deployment of cryogenic energy storage using liquid air to store renewable energy for days/weeks, addressing the 'dunkelflaute' (dark doldrums) problem.

rate_review Analyst Verdict

"A viable alternative to Pumped Hydro. Lithium batteries are too expensive for >4 hours storage. Liquid Air uses standard off-the-shelf turbomachinery (no rare earth metals). It can be placed anywhere, unlike pumped hydro."

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Full Audit Report Available Includes Risk Register, Technical Specs & Compliance Data.

warning The Challenge

To reach 100% renewables, the grid needs 'Long Duration Energy Storage' (LDES) to cover days when wind/solar output is low. Lithium-ion is economically unviable for this duration. Pumped hydro is geologically constrained.

psychology The Solution

The system uses excess electricity to cool air to -196°C, turning it into a liquid stored in insulated tanks (like LNG). When power is needed, the liquid is pumped to high pressure and warmed; it expands 700x back into gas, driving a turbine. Waste heat/cold is recycled to boost efficiency.

settings_suggest Technical & Deployment Specs

Integrations
Grid Dispatch
Deployment Model
Plant
Data Classification
Industrial Control
Estimated TCO / ROI
Competitive at >8hr duration
POC Summary (2018 to 2020)

"Pilsworth 5MW pilot."

shield Risk Register & Mitigation

Risk Factor Severity Mitigation Strategy
Round Trip Efficiency Medium Waste heat integration (60-70% RTE).
CapEx High Scale economies.

trending_up Impact Trajectory

Audited value realization curve

300 MWh / 50 MW plant funded (Carrington, UK) Verified Outcome
Primary KPIAsset lifespan of 30-40 years (vs 10 for Li-ion)
Audit CycleUtilizes standard industrial supply chain

policy Compliance & Gov

  • Standards: Grid Code
  • Maturity (TRL): 8
  • Evidence Score: 5/10
  • Data Class: Industrial Control

folder_shared Verified Assets

description
Verified Case Study
PDF • Version 1
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Technical Audit
PDF • Audited
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The "Blind Verification" Protocol

How we verified these outcomes for National Grid Support without exposing sensitive IP or identities.

Private
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1. Raw Evidence

Audit ID: #PRIV-703
Evidence: Direct SQL Logs
Public
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2. Verified Asset

Outcome: Verified
Ref ID: #COI-703

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