Projects

BESS D — Cluster Storage

10 MW / 40 MWh · Existing substation · Permitted · Design phase — target COD per portfolio timeline

Kyustendil cluster | EPO-managed dispatch stack

BESS D — 40 MWh / 10 MW

Fast-cycle project at existing substation

BESS D is a 10 MW / 40 MWh system (approximately 36 MWh usable) tied to an existing substation in the Kyustendil corridor. It is permitted and in design, sequenced to align with equipment lead times and cluster construction. Together with BESS A, BESS B+C, and shared grid infrastructure, it forms part of ZiRi's co-located storage portfolio. Public information stays qualitative; economics and terms are in the investor portal.

Qualified investors

Investment memorandum and SPV materials are available after login. No financial projections on this page.

BESS D conceptual

Key parameters

  • Installed energy: 40 MWh (LiFePO4)
  • Usable (approx.): ~36 MWh
  • Power: 10 MW bi-directional
  • Duration at full power: 4 hours
  • Grid: Existing substation / distribution node (cluster)
  • Status: Permitted; engineering and procurement in progress

Technical specifications

Parameter Specification
TechnologyLiFePO4
Installed / usable40 MWh / ~36 MWh
Power10 MW
GridExisting substation (cluster)
LocationKyustendil, Bulgaria

Request access to the investor portal for the BESS D memorandum and data room.