Economics of utility-scale batteries in Romania under various market conditions

From grid stability and RES integration to backup and demand response, utility-scale batteries are becoming versatile assets. As technology continues to advance and costs continue to fall, their role is expected to expand. A battery of 7MW/14MWh is used to schedule its output and obtain the optimal market bidding scenario using Mixed Integer Linear Programming. Sensitivity analyses are carried out to check the financial viability of the asset. Romania's historical monthly average electricity prices in 2023 are considered to assess financial performance. The results showed that the payback period can be 3–7 years. • Versatile role of utility-scale batteries. • Optimization with advanced modeling for market bidding strategies. • Financial viability through sensitivity analysis. • Market-driven profitability assessment. • Attractive payback period: 3–7 years.