— About BESS Arbitrage
Consulting reports cost thousands. Investment decisions can't wait days.
BESS Arbitrage is decision-support software for grid-scale battery storage. Configure a market, a battery, a date range — tune charge/discharge windows, cycles per day, and round-trip efficiency — and get an investment-grade report in seconds.
— The gap we fill
Energy arbitrage is one of the most attractive revenue streams for storage — and one of the hardest to measure.
Volatile electricity markets create real opportunity for grid-scale batteries. But accurately measuring historical arbitrage revenue and dispatch behaviour is genuinely complex — price volatility, market rules, round-trip efficiency, degradation, and cycling constraints all create uncertainty.
The traditional way to model this — hire a consultancy, wait days, pay thousands for a static single-market PDF — is too slow and too narrow for the pace of energy investment decisions.
— The comparison
Same answer. Different price tag, different timeline.
Traditional consulting engagement
The status quo
BESS Arbitrage
The faster path
— The honest scope
We measure the day-ahead arbitrage layer. Only that.
A battery earns from several streams: day-ahead arbitrage, ancillary services, balancing, and capacity payments. These compete for the same physical capacity, so they are not simply additive, and the mix shifts constantly. As ancillary markets saturate, arbitrage has become a growing share of the stack, dominant in some mature markets and a minority in others. We measure the day-ahead arbitrage layer precisely, on real prices, and never estimate or fabricate the others. That narrow honesty is the point. It is a figure a serious investment committee can verify, not a blended number resting on assumptions about market access and optimiser quality.
For the years ahead we add a Forward Spread Outlook to 2030, a calibrated projection fitted to five years of price history across 31 markets, shown as a range with confidence ratings. A projection, clearly scoped, not a price forecast.
— Bespoke requests
Need something the standard simulation doesn't cover?
If you have a specific question about battery build-out in a European market, a custom report, or a requirement beyond the standard run, we're happy to help. Reach us at support@bessarbitrage.com and we'll get back to you.
— Team
Our founders bring over a decade of hands-on experience in renewable energy — solar plant development, energy trading, project management, and grid integration. Founded in 2025 in Sofia, Bulgaria, BESS Arbitrage exists to accelerate the energy transition through better analytics for energy storage.