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Grid Flexibility at Romania’s Border Nodes

Three-site portfolio · 10 MW / 20 MWh per node

10 MW
ATR per site
10 MW power / 20 MWh capacity per site
20 MWh
Usable Energy
~90%
Round‑Trip
~0.5
Cycles / day
eBattery.Energy BESS illustration

About eBattery.Energy

Strategic Positioning: Our BESS systems are strategically positioned near Romania's borders with Hungary and Ukraine, the country's largest energy imbalance zones. Significant electricity flows to Ukraine through this corridor, while power imports arrive from Hungary, creating frequent grid oscillations and high imbalance prices.

AI & Trading Expertise: We deliver comprehensive energy trading services (PZU/Intraday arbitrage, AFRR/FCR balancing) through our proprietary platform with AI algorithms that analyze weather, cross-border flows, and grid conditions to predict imbalances and optimize charge/discharge cycles. Trading operations are conducted by Energy Gate SRL, our institutional trading partner.

Investor Value: Access to premium assets + advanced trading know-how. We maximize revenue through intelligent operations that capture value across multiple market segments simultaneously.

What We Do

We are developing a three-site portfolio of grid‑scale battery storage directly at Romania's border substations with Hungary and Ukraine. Each site is planned at 10 MW / 20 MWh capacity while fitting existing infrastructure, delivering instant flexibility to charge on surplus and discharge on deficit.

  • Balancing services with Transelectrica (€/MW·h availability + €/MWh on activation)
  • Selective DAM/IDM arbitrage when spreads justify cycling

Why Border Nodes

Border nodes experience frequent imbalances driven by cross‑border trades, renewable intermittency, and grid stress. Placing storage at these substations intercepts imbalance at the source and captures high‑value activations while avoiding deep‑grid reinforcements.

  • High probability of activation at imbalance hotspots
  • Avoids costly deep‑grid reinforcements

Market Snapshot (2024)

Weighted averages derived from on‑site data

€385
Avg UP €/MWh
€29
Avg DOWN €/MWh
€356
Avg Spread €/MWh
~7.0 h
Est. Activation / day

Current Scenario (per site)

  • Power capacity: 10 MW per site
  • Energy capacity: 20 MWh per site
  • Activation power: ~15% of ATR
  • Activation: 7.0 h / day
  • UP price: €450 / MWh
  • Capacity: €4.9 / MW·h
10.2 MWh
Export / day
≈307 MWh / month
€165k
Gross €/month
€37k
Energy cost/month
€128k
Net margin/month

Figures mirror the planning model. Gross annual revenue is ~€1,975,428/site, energy cost is ~€442,109/site/year, and net balancing margin is ~€1,533,319/site/year before fixed overhead.

Balancing Market Forecast

€1,533,319
Net Balancing Margin
Per site · before fixed overhead
€1,975,428
Gross Annual Revenue
Per year · per node
€442,109
Total Energy Cost
Per year · per node

Figures sourced from the eBattery.Energy balancing market model (Streamlit).

Portfolio Baseline

30 MW
Portfolio Power
3 × 10 MW sites
60 MWh
Portfolio Energy
3 × 20 MWh sites
€10.5M
Portfolio CAPEX
€3.5M per site

Portfolio model totals: ~€5,926,284 gross annual revenue and ~€4,599,957 net balancing margin before fixed overhead.

Sites & Timeline

  • Zalau, 10 MW / 20 MWh, planning and permitting in progress
  • Seini, 10 MW / 20 MWh, planning and permitting in progress
  • Satu Mare, 10 MW / 20 MWh, planning and permitting in progress

Contact

Partnerships & investor relations:

office@ebattery.energy

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