Renewables.digital currently lists 4 Battery Storage (BESS) transactions in Spain between February 2026 and September 2026, with a combined capacity of 6,782 MW. Companies involved include BW ESS (1), Cero Generation (1), Copenhagen Infrastructure Partners (1), ENGIE (1) and Macquarie Group (1). Development status: Operational (2) and Under Development (2). The most recent deal is “Qualitas Energy Acquires Cero Generation's 5.8 GW European Solar PV and BESS Platform from Macquarie Group” (7 September 2026).
4Transactions
6,782 MWTotal capacity
3Technologies
February 2026 – September 2026Period
Key facts
4 transactions between February 2026 and September 2026, 6,782 MW in total (average 1,696 MW per deal)
How many Battery Storage (BESS) transactions in Spain are listed?
Renewables.digital currently lists 4 Battery Storage (BESS) transactions in Spain between February 2026 and September 2026, with a combined capacity of 6,782 MW.
Who are the most active buyers of Battery Storage (BESS) in Spain?
BW ESS (1), Copenhagen Infrastructure Partners (1) and ENGIE (1) (number of deals).
Who are the most active sellers?
Cero Generation (1), Macquarie Group (1) and Navacant (1) (number of deals).
What is the largest of the Battery Storage (BESS) transactions in Spain?
Qualitas Energy Acquires Cero Generation's 5.8 GW European Solar PV and BESS Platform from Macquarie Group with 5,800 MW (7 September 2026).
7 September 2026 · 5,800 MW · United Kingdom, Italy, Spain
Qualitas Energy has signed a definitive agreement to acquire Cero Generation's core European platform from Macquarie Group through Qualitas Energy Fund VI. The 5.8 GW portfolio spans the UK, Italy and Spain, comprising over 2 GW in operation, under construction or at ready-to-build stage and 3.8 GW in development. Cero Generation will continue to operate as an independent Qualitas Energy portfolio company.
BW ESS has acquired two standalone utility-scale BESS projects in the Valencia region, Spain from developer Navacant, totalling 126 MW / up to 675 MWh. The projects (99 MW and 27 MW) are expected to reach Ready-to-Build status in 2027 with commercial operations targeted for 2028. BW ESS intends to own and operate the assets long-term.
ENGIE has acquired two standalone battery energy storage projects in Andalusia, Spain, totalling 278 MW / 1.1 GWh — the largest BESS projects currently under development in the country. Located in Álora (78 MW / 312 MWh) and Tarifa (200 MW / 800 MWh), both projects feature synchronous condensers and are scheduled for construction from 2027 with progressive commissioning in 2028.
3 February 2026 · 578 MW · Ireland, United Kingdom, Germany, Spain
Ørsted has signed an agreement with Copenhagen Infrastructure Partners to divest its entire European onshore renewables business for EUR 1.44 billion. The transaction covers onshore wind, solar PV and battery storage assets across Ireland, the UK, Germany and Spain, with closing expected in Q2 2026.
Data as of 13 October 2026. The overview covers the transactions currently listed in the Renewables.digital database; each deal links to its original public source.
