# Blackvolt Energy

> Blackvolt Energy is an Austrian developer, builder and intended long-term operator of utility-scale stand-alone battery systems. Founded in 2024, it packages the awkward parts of storage - land, permits, grid access, construction, financing, market trading and operations - into one platform. Its first two construction projects total 54 MW and 108 MWh, while the company reports a 2,500 MW portfolio across more than 30 projects.

- **Founded:** 2024
- **Headquarters:** Vienna, Austria
- **Founders:** Gregory Green (Co-founder and CEO), Constantin Vana (Co-founder and CFO), Johannes Srajer (Co-founder and CTO)
- **Team size:** Approximately 9 employees in the supplied company record; LinkedIn lists an 11-50 employee band.
- **Products:** Utility-scale BESS project development, Oberndorf battery storage project, Wöllersdorf battery storage project, Blackvolt Operations and Management, Algorithmic revenue optimization
- **Notable:** Closed one of Austria's first institutionally financed, fully merchant utility-scale BESS project financings without long-term contracted revenue or public subsidy., Began construction of Salzburg's first stand-alone large-scale battery, an 18 MW / 36 MWh facility in Oberndorf., Advanced a second and larger 36 MW / 72 MWh project at Wöllersdorf into construction.

## Products & services

- **Utility-scale BESS project development** — An eight-phase process covering site analysis, land rights, permitting, grid connection, financing, procurement, construction and commissioning.
- **Oberndorf battery storage project** — An 18 MW / 36 MWh stand-alone BESS in Salzburg, under construction and scheduled for commercial operation in Q1 2027.
- **Wöllersdorf battery storage project** — A 36 MW / 72 MWh BESS in Lower Austria with permits, land tenure and grid connection secured and construction under way.
- **Blackvolt Operations and Management** — A dedicated subsidiary for technical and commercial asset management, SPV administration, safety compliance and service-partner coordination after commissioning.
- **Algorithmic revenue optimization** — Dispatch across wholesale and intraday arbitrage, FCR, aFRR, peak shaving and grid services according to market conditions and battery state.

## Achievements

- Closed one of Austria's first institutionally financed, fully merchant utility-scale BESS project financings without long-term contracted revenue or public subsidy.
- Began construction of Salzburg's first stand-alone large-scale battery, an 18 MW / 36 MWh facility in Oberndorf.
- Advanced a second and larger 36 MW / 72 MWh project at Wöllersdorf into construction.
- Reports 54 MW in construction, 251 MW ready to build, 950 MW in a late-stage pipeline and 2,500 MW in its total portfolio.
- Reports more than 600 MWh of permitted capacity and more than 30 active development projects.

## Latest updates

- **2026-07** — A public Upper Austria proceeding documented Blackvolt's proposed Riedersbach project at approximately 102 MW / 205 MWh.
- **2026-06** — Public permitting materials named further projects including Ybbsfeld, while Blackvolt participated in Austrian policy discussions on storage and grid integration.
- **2026-05** — Blackvolt broke ground on the 18 MW / 36 MWh Oberndorf project, scheduled for commercial operation in Q1 2027.
- **2026-03** — The Oberndorf project closed senior secured financing with Raiffeisen-Landesbank Steiermark in the double-digit-million-euro range.
- **2025-09** — Gregory Green spoke publicly about matching BESS warranties to flexible real-world dispatch and midlife repowering.

## Links

- Website: https://www.blackvolt.at/en
- LinkedIn: https://www.linkedin.com/company/blackvolt-energy

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Profile page: https://yespress.io/blackvolt-energy
Published by YesPress — https://yespress.io
Last updated: 2026-08-22