245. BESS: Who is making money?  - Sep26

245. BESS: Who is making money? - Sep26

September 6, 2026 · 35 min

About this episode

The episode discusses the profitability and evolving economics of Battery Energy Storage Systems with Ed Porter from Modo Energy.

Where Are BESS Making Money? Gerard and Laurent had the pleasure of welcoming Ed Porter Director Europe at Modo Energy for an insightful discussion on battery profitability and the evolving economics of Battery Energy Storage Systems (BESS). Modo Energy is a fast-growing data analytics and market intelligence platform helping energy professionals benchmark asset performance, forecast revenues and evaluate investments in renewable energy and grid-scale battery storage. Ed outlines three stages in the development of a battery market : Stage 1 – Pre-saturation: Batteries can achieve attractive payback periods, sometimes as short as three years, primarily through ancillary services. Stage 2 – Wholesale market competition: As ancillary service revenues become more competitive, batteries increasingly rely on wholesale market opportunities, as seen in Australia, Texas and Great Britain. Stage 3 – Sophisticated grid services: Once wholesale markets become saturated, batteries move towards more advanced and specialised grid services (voltage, inertia...). The technology is evolving rapidly, as is the deployment of new battery capacity. This makes future revenues increasingly difficult to…

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