OEG-BESS-002 · NOT_ESTABLISHED

Independent field-performance evidence for sodium-ion stationary BESS is established.

Public evidence reviewed for stationary sodium-ion BESS; manufacturer-attributed product claims are not independent field-performance evidence.

Frozen evidence boundary

What the current record does and does not establish

Evidence cutoff: 2026-09-24

GAP_ID

OEG-BESS-002

CASE_ID

SE-BESS-SODIUM-001

CLAIM

Independent field-performance evidence for sodium-ion stationary BESS is established.

CURRENT STATE

NOT_ESTABLISHED

SCOPE

Public evidence reviewed for stationary sodium-ion BESS; manufacturer-attributed product claims are not independent field-performance evidence.

EVIDENCE CUTOFF

2026-09-24

WHAT IS ESTABLISHED
  • The product was publicly launched and showcased
  • Manufacturer-attributed performance and field-validation language exists
WHAT IS NOT ESTABLISHED
  • Independent field measurements
  • Attributable operating duration and conditions
  • Independent safety or performance validation
WHAT WOULD CHANGE THIS

Attributable independent field-operation or performance evidence collected after commissioning at a named stationary sodium-ion BESS. It should identify the responsible operator or third party, site and system, commissioning status, observation period, operating conditions, and method. Evidence may report one or more relevant measures—such as operating duration, availability, delivered capacity or energy, degradation, cycle history, or reliability; all measures are not required at once.

ACCEPTABLE SOURCES
  • Independent post-commissioning field report with attributable methods
  • Operator record reporting operating duration, availability, delivered capacity or energy, degradation, cycle history, or reliability
  • Regulator or research-institute field evaluation tied to a named commissioned system
NON-QUALIFYING SOURCES
  • Manufacturer brochure or generic product specification
  • Lab-only test or simulation
  • Planned deployment
  • Shipment without commissioning
  • Unattributed performance chart

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