Renewables.digital currently lists 12 renewable energy transactions in Spain between February 2026 and October 2026, with a combined capacity of 9,943 MW. By technology: Solar PV (8), Onshore Wind (6) and Battery Storage (BESS) (4). The most active companies are Galp (2), Masdar (2), Repsol (2) and Acciona Energía (1). The most recent deal is “Dos Grados Acquires Three 500+ MW Solar PV Development Projects in Castilla y León and Andalusia from Akuo” (9 October 2026).
| Date | Transaction | Technology | Capacity | Country | Buyer | Seller |
|---|---|---|---|---|---|---|
| Qualitas Energy Acquires Cero Generation's 5.8 GW European Solar PV and BESS Platform from Macquarie Group | Solar PV, Battery Storage (BESS) | 5,800 MW | United Kingdom, Italy, Spain | Qualitas Energy | Macquarie Group, Cero Generation | |
| Repsol to Sell 49% Stake in 706 MW Minerva Renewables Portfolio in Spain to Masdar for ~€850 Million | Onshore Wind, Solar PV | 706 MW | Spain | Masdar | Repsol | |
| Repsol Sells 49.99% Stake in 705 MW Renewables Portfolio in Spain to Masdar for €849 Million | Onshore Wind, Solar PV | 705 MW | Spain | Masdar | Repsol | |
| Ørsted Divests European Onshore Wind, Solar and BESS Platform to CIP for EUR 1.44 Billion | Onshore Wind, Solar PV, Battery Storage (BESS) | 578 MW | Ireland, United Kingdom, Germany, Spain | Copenhagen Infrastructure Partners | Ørsted | |
| Dos Grados Acquires Three 500+ MW Solar PV Development Projects in Castilla y León and Andalusia from Akuo | Solar PV | 500 MW | Spain | Dos Grados | Akuo |
| # | Company | Deals as buyer | Capacity | Technologies | Countries |
|---|---|---|---|---|---|
| 1 | Masdar | 2 | 1,411 MW | Onshore Wind, Solar PV | Spain |
| 2 | Galp | 2 | 712 MW | Onshore Wind | Spain |
| 3 | Qualitas Energy | 1 | 5,800 MW | Battery Storage (BESS), Solar PV | Italy, Spain, United Kingdom |
| 4 | Copenhagen Infrastructure Partners | 1 | 578 MW | Battery Storage (BESS), Onshore Wind, Solar PV | Germany, Ireland, Spain |
| 5 | Dos Grados | 1 | 500 MW | Solar PV | Spain |
| 6 | TotalEnergies | 1 | 500 MW | Onshore Wind, Solar PV | Italy, Netherlands, Spain |
| 7 | ENGIE | 1 | 278 MW | Battery Storage (BESS) | Spain |
| 8 | BW ESS | 1 | 126 MW | Battery Storage (BESS) | Spain |
| 9 | Merus Capital | 1 | 25 MW | Solar PV | Spain |
| 10 | Sonnedix | 1 | 13 MW | Solar PV | Spain |
| # | Company | Deals as seller | Capacity | Technologies | Countries |
|---|---|---|---|---|---|
| 1 | Repsol | 2 | 1,411 MW | Onshore Wind, Solar PV | Spain |
| 2 | Cero Generation | 1 | 5,800 MW | Battery Storage (BESS), Solar PV | Italy, Spain, United Kingdom |
| 3 | Macquarie Group | 1 | 5,800 MW | Battery Storage (BESS), Solar PV | Italy, Spain, United Kingdom |
| 4 | Ørsted | 1 | 578 MW | Battery Storage (BESS), Onshore Wind, Solar PV | Germany, Ireland, Spain |
| 5 | Akuo | 1 | 500 MW | Solar PV | Spain |
| 6 | Shell | 1 | 500 MW | Onshore Wind, Solar PV | Italy, Netherlands, Spain |
| 7 | Acciona Energía | 1 | 361 MW | Onshore Wind | Spain |
| 8 | Helia | 1 | 351 MW | Onshore Wind | Spain |
| 9 | Navacant | 1 | 126 MW | Battery Storage (BESS) | Spain |
| 10 | aream Group SE | 1 | 25 MW | Solar PV | Spain |
Renewables.digital currently lists 12 renewable energy transactions in Spain between February 2026 and October 2026, with a combined capacity of 9,943 MW.
Galp (2), Masdar (2) and BW ESS (1) (number of deals).
Repsol (2), Acciona Energía (1) and Akuo (1) (number of deals).
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).
Dos Grados has agreed to acquire three solar PV development projects from Akuo, totalling more than 500 MW of installed capacity across Castilla y León and Andalusia, Spain. The projects include agrivoltaic designs combining solar generation with agricultural land use, in line with Dos Grados' territorial investment strategy.
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.
Shell has signed a Sale and Purchase Agreement to sell its European onshore renewables portfolio to TotalEnergies. The portfolio comprises approximately 0.5 GW of renewable generation capacity in operation and under development across Italy, the Netherlands, Spain and the UK, plus a development pipeline. The transaction is expected to complete by end of 2026.
Galp has acquired a portfolio of 15 operational onshore wind farms in Spain totalling 361 MW from Acciona Energía for an enterprise value of €420 million. Expected to generate approximately 800 GWh annually, the acquisition brings Galp's total installed renewable capacity to 2.7 GW and wind energy to approximately 30% of its renewable generation mix. The transaction was signed and closed simultaneously with no conditions precedent.
aream Group SE has completed the sale of two fully operational, regulated solar PV plants totalling approximately 26.3 MWp in the province of Badajoz, Extremadura, Spain to a fund managed by Merus Capital. Operational since 2010 and 2011, the plants benefit from Spain's RD 413/2014 regulatory remuneration scheme with an estimated remaining life of 15–16 years, providing stable long-term cash flows.
Repsol and Masdar have signed an agreement for Masdar to acquire a 49.99% stake in a 705 MW operational renewable energy portfolio in Spain, valued at €849 million. The portfolio includes 13 wind farms (402 MW) and six solar parks (303 MW), all operational by Q1 2026, plus more than 565 MW of hybridization growth potential. The transaction is expected to close by end of 2026.
Sonnedix has acquired a portfolio of eight operational solar PV plants totalling 13.3 MW across Spain, operating under the RECORE regulated remuneration regime. The acquisition brings Sonnedix's total operational capacity in Spain to over 1.3 GW, consolidating its position as one of the leading owners of regulated solar assets in the country.
Repsol has agreed to sell a 49% stake in its Minerva renewables portfolio in Spain to UAE's Masdar, according to Reuters citing Cinco Dias. The portfolio comprises 13 wind farms and six solar plants with a total installed capacity of 706 MW, valued at approximately €850 million. The deal is reported to be in its final stages and expected to be formalised within weeks.
Galp has agreed to acquire a portfolio of 17 operational onshore wind farms in Spain totalling 351 MW from Helia, a joint platform of Plenium Partners and Bankinter Investment, for an equity value of approximately €320 million. The portfolio generates around 750 GWh annually and operates under a merchant regime. The transaction brings Galp's total installed renewable capacity to 2 GW and is expected to close in Q2 2026.
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.
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.