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Manufacturer · China

Envision Energy

BNEF Tier 1

Shanghai-based wind-turbine and energy-storage manufacturer; ESS cells (300+/500+/700+ Ah LFP) come from majority-owned Envision AESC. Utility-scale line: 5.03 MWh 20-ft liquid-cooled DC container (Gen 7), EN 5 Pro string-PCS AC block, EN 8 Pro and the 10-ft modular Gen 8 Scalable Platform (750+ Ah), plus a 12.5 MWh AI system on 790 Ah cells. Strong in UK, France, Germany, China, South Africa.

Country
China
Headquarters
Shanghai
Founded
2007
Official website
envision-group.com
Segments
utility-scale · commercial & industrial
Makes its own cells
yes
BNEF Tier 1
BNEF Tier 1 (bankability list)

Envision Energy models in the catalog

Sorted by maximum published energy. Click a model for all variants, the full specification and the list of fields Envision Energy does not publish.

ModelSegmentForm factorMax energyMax powerCoolingChemistryCell AhAC/DCStatusDatasheet
5.03 MWh Liquid-Cooled DC Container (ENS-LC)utility-scale20 ft container20.12 MWh6.9 MWliquid-cooledLFP315DCshippingPDF
EN 12.5 MWh AI Energy Storage Systemutility-scalemodular block12.5 MWhnot publishedliquid-cooledLFP790DCannounced
Gen 8 Scalable Platformutility-scalemodular block12 MWhnot publishedliquid-cooledLFP750DCannounced
ENS-L Liquid-Cooled Modular Cabinet Systemutility-scalecabinet9.75 MWhnot publishedliquid-cooledLFP305DClegacyPDF
EN 8 Proutility-scale20 ft container8 MWhnot publishedliquid-cooledLFP700DCannounced
EN 5 Proutility-scale20 ft container5 MWh2.5 MWliquid-cooledLFPnot publishedACannounced

About Envision Energy

Envision Energy (Envision Group, Shanghai) is a wind-turbine OEM that also builds battery energy storage systems; LFP cells are produced by its majority-owned subsidiary Envision AESC (300+ Ah, 500+ Ah, 700+ Ah and, since April 2026, 790 Ah ESS cells). The company reports 400+ storage projects, >50 GWh of systems and >100 GWh of ESS cells delivered, and a BNEF Tier 1 listing. The current utility-scale portfolio comprises the Gen 7 5.03 MWh 20-ft liquid-cooled DC container on 315 Ah cells (with TwinSkid/SingleSkid MV AC skids of 3.3-6.9 MVA), the EN 5 Pro 2.5 MW / 5 MWh all-in-one string-PCS block, the EN 8 Pro 8 MWh DC container on 700 Ah-plus cells and the Gen 8 Scalable Platform (10-ft modular units, 750+ Ah, 6/8/10/12 MWh configurations, 10 MVA AC skid), announced October 2025 and contracted for German 4-hour projects in 2026. An EN 12.5 MWh AI storage system with 790 Ah cells was announced in April 2026. The older ENS-L modular liquid-cooled cabinet series (280/305 Ah, 4.47-9.75 MWh) appears in the 2024 brochure. Envision also sells C&I storage cabinets in China (>1,000 units delivered) but publishes no specifications for them. Only the 5.03 MWh container has a public datasheet (hosted on the India regional site); the global site is a JS application without spec sheets. Not disclosed: system-level round-trip efficiency, cycle-test conditions, warranty terms, weights and voltages of the Gen 8 and EN 5 Pro / EN 8 Pro units, and any usable-energy figures.

Photo policy

Envision Energy publishes no image licence or press kit, so model cards show a schematic illustration instead of a manufacturer photo. Photos will be added only with written permission.

No press kit or media page found. Terms of Use (envision-group.com/terms): "all content presented to you on this Site is protected by copyrights ... Except for a single copy made for personal use only, you may not copy, reproduce, modify, republish, upload, post, transmit, or distribute any documents or information from this Site in any form or by any means without prior written permission from us". Product images require permission.

Sources

Manufacturer documents used for this record. Model-level sources are listed on each model card.

  • Envision Energy — Energy Storage System — https://www.envision-group.com/energy-storage-system
  • Envision Energy — About — https://www.envision-group.com/about
  • Envision Energy — Terms of Use — https://www.envision-group.com/terms
  • Envision Energy India — Smart BESS Product Brochure 2024 (PDF) — https://www.envision-energy.in/assets/frontend/images/documents/bess-brochure.pdf
  • Envision Energy India — DC Container Product Datasheet (PDF) — https://www.envision-energy.in/assets/frontend/images/documents/BESS_Gen8.pdf
  • Envision Energy — Gen 8 Scalable Platform rollout (2025-10-27) — https://www.envision-group.com/news-detail?id=69048662f15e8b021c3ce2db&lang=en
  • Envision Energy — 12.5 MWh AI ESS and 790 Ah cell (2026-04, CN) — https://www.envision-group.com/news-detail?id=69d62b7086e26e01a7659859&lang=cn
  • Envision Energy — 49-hour large-scale fire test, CSA C800 (2025-07) — https://www.envision-group.com/news-detail?id=6881ec15d87b2000296da5d5&lang=en
  • Envision AESC — Solutions (energy storage cells; JS page) — https://www.aesc-group.com/solutions