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Octave.energy’s €10M Series A: Profitable Batteries Meet Grid Congestion

SPDG Growth led Octave.energy’s €10M Series A (equity + flexible debt) after €16M 2025 revenue and three profitable years — Belgian BESS+EMS expansion into NL, France, and Germany.

Cover for Octave.energy €10M Series A — profitable European BESS and EMS

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Funding event facts

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

Octave.energy raises €10M Series A led by SPDG Growth

Belgian BESS+EMS company Octave.energy raised €10M Series A (equity and flexible debt) led by SPDG Growth with imec.istart, BNP Paribas Fortis, and KBC to expand across Europe.

Event type
Funding Round
Event date
Sep 3, 2026
Stage / label
Series A
Amount
€10M
Confidence
Company Disclosed

Company / target: Octave.energy

Lead: SPDG Growth

Participants: imec.istart , BNP Paribas Fortis , KBC

Sources: made-in.be n24.com.tr

SPDG Growth led a €10 million Series A for Mechelen’s Octave.energy in early September 2026, structured as equity plus flexible debt, with imec.istart, BNP Paribas Fortis, and KBC participating (Made in, n24).

Spine: this is expansion capital for a profitable installer-led BESS+EMS business, not a pre-revenue climate science bet — grid congestion is the demand driver.

Key facts

FieldDetail
CompanyOctave.energy
Round€10M Series A (equity + flexible debt)
LeadSPDG Growth (Périer-D’Ieteren family office; seed returner)
Otherimec.istart, BNP Paribas Fortis, KBC
2025 revenue€16M (company)
ProfitabilityThree consecutive years (company)
Deployed200+ MWh; 400+ businesses
Named customersColruyt Group, McDonald’s, Eneco, Naturgy, Nextensa

Who uses the product — and for what job

Users: industrial sites, SMEs, and agricultural enterprises fighting grid congestion, peak prices, and electrification constraints.

Job: pair first-life LFP batteries with Octave’s EMS so sites can store power, cut peaks, coordinate EV charging, and monetize flexibility — with the customer free to choose their market optimizer (company).

CEO Maxime Snick’s framing (Made in): electrification of heat, industry, and transport is colliding with net congestion as the bottleneck.

Why now

  • Western European summers and industrial electrification made capacity constraints operational, not theoretical.
  • Banks in the syndicate (BNP Paribas Fortis, KBC) fit asset-backed clean-infra stories better than pure software VCs.
  • Proceeds: NL / France / Germany sales-service hubs via installation partners; EMS/asset-management platform depth.

Why SPDG — portfolio fit

SPDG already backed the seed and is doubling down on a cash-flowing hardware+software operator. Bank participation signals underwriting comfort with receivables and project economics.

Likely founder rationale: raise patient expansion capital from an existing family-office lead that understands Belgian industrial GTM, plus banks that can support working capital as deployments scale.

SPDG Growth, imec.istart, BNP Paribas Fortis, and KBC are not in our fund directory — editorial only.

Competitive map

ApproachTradeoff
Utility-scale storage onlyLarge projects; misses behind-the-meter SME pain
Pure EMS softwareAsset-light; depends on third-party battery quality
Commodity battery installersPrice competition; weak software moat
Octave BESS+EMS integrationHigher attach; execution-heavy multi-country rollout

What is not proven

  • Exact equity vs debt split inside the €10M not disclosed.
  • Valuation not disclosed.
  • Gross margin on hardware vs software mix not disclosed.

Practical takeaway

  • Founders (climate): Profitability plus named logos changes Series A conversations in Europe’s selective climate market.
  • Investors: Diligence partner-installer quality and service uptime — the moat is ops, not slides.
  • Operators: Relevant if grid connection delays or peak tariffs already block electrification plans.

Sources

  1. Made in — Octave.energy €10M
  2. n24 — Octave.energy Series A

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By Venture Capital Tracker

Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Sources

  1. Made in — Octave.energy €10M
  2. n24 — Octave.energy Series A

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