BESS ROI Calculator

System Parameters
Configure your BESS capacity and market allocation
0.5 MWh25 MWh50 MWh75 MWh100 MWh
5 years10 years15 years
Balancing Market Revenue Decrease

Every 5 years, balancing market revenue decreases by 20% compared to the previous period, reflecting expected market evolution.

Market Allocation

Adjust how your battery capacity is allocated across different markets:

Total capacity: 10 MWh
Adjust parameters to see financial projections
About This Calculator
Financial data and assumptions

This calculator estimates financial returns for Battery Energy Storage Systems (BESS) in the Romanian energy market. The calculations include multiple market components and revenue projection models:

  • Balancing Market (Piata Echilibrare) - Primary income source with rates from 1,000 to 10,000 Lei/MWh/day
  • STS Market (Servicii Tehnologice de Sistem) - Ancillary services providing grid stability
  • PZU Market (Piata Zilei Urmatoare) - Day-ahead trading with adjustable cycling
  • Intraday Market (Piata Intrazilnica) - Real-time trading opportunities
  • Revenue Decrease Projection - Accounts for market evolution over time

The model accounts for battery capacity allocation across different markets and includes projections for revenue decrease over time to provide more realistic long-term financial forecasts.

Note: This calculator provides estimates based on current market data. Actual results may vary based on market conditions, regulatory changes, and operational factors.

Vision

Our Vision for Energy's Future

At Denki, we're transforming battery storage participation in Romania's energy market with our intelligent platform, empowering traders with essential tools to maximize returns through energy arbitrage and grid services—starting with proven results in our home market.

As we establish our capabilities, our technology will evolve toward automation, with AI assistants gradually taking on more complex trading decisions, enabling battery operators to scale efficiently while addressing the growing demands of Romania's renewable energy transition.