Battery Industry Weekly — Week 31

Jul 27 – Aug 2, 2026 24 min read

This week in batteries: hanoi power corporation inaugurates the first 100mwh battery storage portfolio in vietnamese capital, sodium-ion bess: catl in 2gwh eastern europe collaboration, ess inc signs loi for 500mwh of us deployments, alpiq follows harmony energy acquisition with 1.2gwh project announcement.

BESS

Hanoi Power Corporation inaugurates the first 100MWh battery storage portfolio in Vietnamese capital

Hanoi Power Corporation (EVNHANOI) has begun pilot operation of five battery energy storage systems at substations in Hanoi, Vietnam.

BESS

Sodium-ion BESS: CATL in 2GWh Eastern Europe collaboration, ESS Inc signs LOI for 500MWh of US deployments

ESS Tech Inc is deploying sodium-ion BESS in the US with Juniper Energy, while CATL deploys its sodium-ion technology in Eastern Europe with Solarpro.

BESS

Alpiq follows Harmony Energy acquisition with 1.2GWh project announcement

Two weeks after announcing its acquisition of Harmony Energy, Swiss power firm Alpiq has unveiled its first large-scale battery project in its home country.

MARINE

A new all-electric cargo ship with a massive 2.4 MWh battery pack launches in China - Electrek

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BESS

Chinese battery that could offer alternative to lithium cells passes key test - Yahoo Finance UK

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RESEARCH

CATL Signs 2GWh Sodium-Ion Battery Storage Agreement - Fuel Cells Works

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BESS

Colombia awards 725 MW of solar on second day of green energy auction

The country\'s Clean Energy Procurement Auction awarded 995 MW of solar and nearly 100 MW of battery energy storage systems across two days.

The post Colombia awards 725 MW of solar on second day of gr

RESEARCH

Antora Energy closes US$550 million Series C to scale US thermal battery deployment

Thermal energy storage (TES) technology provider Antora Energy has closed a US$550 million Series C funding round to accelerate deployment of its thermal battery storage systems for industrial facilit

BESS

Veolia to operate 350MW microgrid for AI data centre in central Ohio

Environmental services company Veolia has been selected to operate and maintain a 350MW microgrid to power an AI data centre campus in New Albany, Ohio, US, which includes a 430MWh BESS.

MARINE

Battery storage is an important growth driver, NextEra CEO says, amid merger to create largest regulated utility in US

NextEra Energy recorded a 9.5% increase in its net earnings in Q2 2026, as the company advanced its plan to merge with Dominion Energy to form the world\'s largest regulated power utility.

The Week in Context

Three themes worth tracking from this week's news:

Scale is the new normal. Battery deployment continues to grow across every segment — EVs, grid storage, and marine — making batteries a core infrastructure technology rather than a niche market.
Chemistry diversity is accelerating. LFP, solid-state, sodium-ion, and silicon-anode chemistries are all progressing simultaneously, each targeting different cost and performance tradeoffs.
Regulation is reshaping supply chains. EU battery passport requirements and domestic manufacturing incentives are forcing companies to rethink sourcing, documentation, and compliance timelines.

What to Watch Next Week

Continued updates on solid-state battery commercialization timelines
EU Battery Regulation implementation guidance from the European Commission
New grid-scale BESS project commissioning and capacity milestone reports
Lithium and critical mineral pricing trends affecting battery economics
Sodium-ion and next-generation chemistry production scaling announcements

Sources

Frequently Asked Questions

What is the Battery Industry Weekly?

A short editorial digest covering the most important battery industry news each week — EV batteries, grid-scale storage, regulation, manufacturing, and research.

How are stories selected?

The generator fetches RSS feeds from trusted sources, deduplicates similar stories, scores them by relevance, and selects the top stories for the week.

When is the digest published?

A new edition is generated every Friday covering the current week.

Disclaimer

This article summarizes publicly available news and analysis. BatteryCalculators.com does not guarantee the accuracy of third-party information. Always verify facts with primary sources before making engineering or procurement decisions. This content is provided for informational purposes only and does not constitute professional engineering advice.