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Funding event facts

Source-backed financing and transaction details. Unknown terms remain undisclosed rather than estimated.

Ore Energy raises $43M Series A

Event type: Funding Round
Event date: Aug 4, 2026
Stage / label: Series A
Amount: $43M
Confidence: Company Disclosed

Company / target: Ore Energy

Lead: Plural

Participants: HV Capital , Positron Ventures

Sources: via.tt.se oreenergy.com

Lithium-ion wins hours. Grids fail on days. Amsterdam-based Ore Energy raised $43 million Series A on August 4, 2026 (Plural and HV Capital leading; Positron Ventures in) to manufacture iron-air batteries that store power for up to ~100 hours. Total raised: ~$61 million.

Deal snapshot

Field	Detail
Amount	$43M Series A
Leads	Plural, HV Capital
Also	Positron Ventures
Use of proceeds	First manufacturing facility; GWh-scale ambition by 2028
Origin	Delft University of Technology spinout (founded 2023)

Who uses the product

Buyers are utilities and energy retailers, not consumers:

Budget Thuis (Dutch supplier) — up to 1 GWh iron-air deployment; 400 MWh phase one targeted for 2028 (company-described as continental Europe’s largest iron-air agreement).
EDF — grid-connected pilot in France under real utility conditions (up to four days of storage demonstrated in the 2025 test window).

Systems ship as modular containers daisy-chained for capacity. Chemistry: oxidize/deoxidize iron electrodes (“rust and unrust”) using abundant materials — iron, water, air.

Why now

AI data centers, re-industrialization, and renewable penetration collide on the same constraint: firm, affordable electrons. Lithium covers short peaks; multi-day lulls still pull fossil peakers. Ore’s raise lands the same week as other AI-infra checks — storage is becoming part of the AI capex stack, not a separate climate niche.

Investor fit (honest scope)

Plural and HV Capital are European early-stage / growth firms (not yet profiled as separate entities in our U.S.-heavy directory). The round still maps to climate-tech checkbooks like Energy Impact Partners and Energy Transition Ventures in category — long-duration storage for grids — even though they are not disclosed participants here.

Likely reasons Ore took Plural + HV:

European industrial policy alignment (local supply chain story).
Manufacturing capital before 2028 delivery dates.
Climate-deep networks for utility procurement.

Competitive map

Company	Region / note
Form Energy	U.S. iron-air leader; $1B+ raised historically
Ore Energy	European supply chain + utility LOIs
Lithium LDES alternatives	Different chemistries / durations

When not to overclaim

Round-trip efficiency lags lithium — bulk and land use can kill siting.
2028 delivery slips turn LOIs into stranded narrative.
Policy subsidies, not physics, may decide winners.

Practical takeaway

Operators / utilities: Diligence $/kWh-capacity, duration, and local content — not just chemistry novelty.
Investors: Iron-air is a manufacturing race; the Series A only buys a factory option.

Sources

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Ore Energy raised $43 million in Series A funding announced August 4, 2026, led by Plural and HV Capital, with Positron Ventures participating — bringing total funding to about $61 million.

Grid-scale iron-air batteries that store renewable electricity for up to roughly 100 hours using iron, water, and air — positioned for multi-day gaps lithium-ion cannot economically cover.

Utilities and energy suppliers: Budget Thuis signed up to 1 GWh of deployment (400 MWh first phase targeted for 2028), and Ore completed a grid-connected pilot with EDF in France.

Both pursue iron-air long-duration storage. Form Energy is the well-funded U.S. peer; Ore emphasizes a European supply chain without lithium/cobalt dependence.

Data centers and factories need firm power as renewables share rises. Multi-day storage is one path to renewable baseload without defaulting to gas peakers — Ore explicitly ties its raise to AI-era electricity demand.