150 MW BESS Project 

 Romania

Code project: BESS-08


Sale Process Details

Percentage on Sale: 100%

Deal Type: Ready‑to‑Build (RTB)

Process Comments: The project offers a unique opportunity to acquire a fully permitted 150 MW / 300 MWh Battery Energy Storage System (BESS) located in Romania.

All major permits have been obtained, including the Urban Planning Certificate (CU), Environmental Permit (EIA), STMG Acceptance, and the Technical Connection Approval (ATR) issued by Transelectrica.

Grid connection is approved at 110 kV, with direct integration into the existing high‑voltage substation through a short underground cable route (~200 m).

The seller is seeking an investment partner or full acquisition (100%) and is open to receiving Expressions of Interest (EOI) from qualified investors.

Express your interest through PVLAND to connect with the project owner.

About the Seller

The seller is a Romanian renewable energy developer specialized exclusively in utility‑scale Battery Energy Storage Systems (BESS).

The company has extensive experience in permitting, engineering, and delivering large‑scale storage projects in Romania, positioning itself as one of the most promising players in the country’s fast‑growing flexibility and balancing markets.



The 150 MW / 300 MWh BESS project is currently in Ready‑to‑Build (RTB) stage, with full permitting, final engineering design, and advanced grid integration.

The seller is open to establishing long‑term strategic partnerships or enabling a full acquisition (100%) of the project.


General Information

Technology: Battery Energy Storage System (BESS)

Total Installed Capacity: 150 MW / 300 MWh

Project Status: Ready‑to‑Build (RTB) — all major permits secured

Development Stage: Fully permitted; grid integration approved by Transelectrica (ATR Q1 2026)

Battery Technology: Lithium Iron Phosphate (LFP)

System Configuration: Modular, containerised utility‑scale design

Cycle Duration: 2 hours

Applications:

  • Grid services (FCR, aFRR, mFRR)
  • Energy arbitrage
  • Balancing & flexibility services
  • Grid stability & congestion management

Other Details: The project is fully prepared for construction, with EPC award expected in Q1 2027.

BESS Details & Design

Installed Capacity (Power): 150 MW Installed Capacity (Energy): 300 MWh (≈ 5,207,720 Ah total storage capacity) Cycle Duration: 2 hours Development Status: Fully permitted — Ready to Build (RtB) Grid Connection: Approved at 110 kV via  220/110/20 kV substation (Transelectrica ATR No. 61/14265 – 20.03.2026)

Ready to Build (RtB) Date: Q1 2027

Commercial Operation Date (COD): Q4 2027

Injection Capacity: 150 MW (Pmax evac)

Consumption Capacity: 150 MW (Pmax abs)

Number of Storage Elements: 18,599 units

Power per Element: ≈ 16.13 kW

Storage per Element: ≈ 280 Ah

Inverters: 750 × Huawei Luna 2000‑200KTL‑H1

Inverter AC Power: 200 kW per unit

Battery Technology: Lithium Iron Phosphate (LFP) System Configuration: Modular containerised utility‑scale design Reactive Power Capability: ≈ 142,500 kVAr (charge) / 137,500 kVAr (discharge) Applications: Energy arbitrage, grid services (FCR, aFRR, mFRR), balancing and congestion management Other Details: All major permits and grid‑connection approvals have been obtained, ensuring immediate construction readiness.

Permitting

Urban Planning Certificate (CU): Obtained

Topographic Study: Completed Geotechnical Study: Completed — no flooding risk or archaeological findings Authorizations according to CU: Obtained from Transgaz and CNAIR Environmental Permit (EIA): Obtained (Q1 2026) Site License from Transelectrica: Obtained STMG Acceptance: Obtained (Q1 2026) Connection Permit (ATR No. 61/14265): Issued by Transelectrica (20 March 2026) Autorizzazione Unica (AU): In progress — expected Q1 2027 Other Notes: All major permits and grid‑connection approvals have been secured, confirming Ready‑to‑Build status.

Connection Infrastructure

Evacuation Line Voltage: 110 kV

Connection Type: Underground direct line to existing high‑voltage substation

Connection Point: 220/110/20 kV 

Connection Distance: ≈ 200 m (defined in ATR 61/14265)

Conductor Type: 110 kV underground cable, XLPE insulation, ≥ 630 mm² Al

Configuration: Double independent circuit — dedicated connection

Grid Conditions: Fully compliant with Transelectrica solution study; no evacuation or congestion restrictions identified

Connection Costs: Defined in ATR — estimated at ~€10,150/MW (included in EPC budget) Teleprotection & SCADA: • Differential line protection (87L) via optical fiber • Full integration into EMS‑SCADA (CNTEE Transelectrica) • Redundant protection groups (GP1 & GP2) • Real‑time monitoring of P, Q, U, f (≤ 0.5 s acquisition rate)

Other Details: • Connection validated by Transelectrica

Land Rights

Land Surface: 2.1 ha

Land Type: Land‑use rights agreement (to be converted into full ownership)

Land Price: Not applicable — land will be purchased by the developer before SPV sale

Land Contracted Percentage: 100%

Land Comments: 

The SPV currently holds a land‑use rights agreement for the entire project area.

Prior to the sale of the SPV, the developer will complete the land acquisition, ensuring full ownership and eliminating any risks associated with lease structures.

The land is fully available for industrial use, with no servitudes or restrictions.

Expropriation Status: Not required

Expropriation Comments: Not applicable — land secured under private agreement and scheduled for full acquisition.

CAPEX & OPEX + Other Information

EPC: Under evaluation (based on ATR and technical design)

EPC Award: Expected Q1 2027

O&M: Planned with a utility‑scale BESS operator

Connection Costs: Included in EPC (≈ €10,150/MW as defined in ATR)

Other Comments: • No additional land expenses (developer will acquire the land before SPV sale) • All permits and grid‑connection approvals secured • Project fully prepared for construction (RTB)

Other Information

Commercial Strategy: Merchant

Market Participation: FCR, aFRR, mFRR via certified aggregator

Optional Contracting: 5‑year capacity/services PPA

Market Access: OPCOM Intraday Market (IDM) for arbitrage

Revenue Profile: Diversified — grid services + arbitrage + flexibility

Commercial Operation Offer: 

The project has already received a 7‑year commercial operation offer, including:

• Full trading strategy and revenue optimization (arbitrage + balancing markets)

• Daily reporting and regulatory compliance (ANRE, Transelectrica, PRE)

• Financial guarantee management for market participation

This offer can be improved or renegotiated once a firm purchase offer or a qualified investor is confirmed, ensuring maximum alignment with the buyer’s commercial strategy.