League table of battery, solar, wind and hydro owners: assets, mapped capacity, share of the market and estimated yearly generation — plus who is building what next.
Mapped capacity
18.3 GW
Owner known for
69% of MW
Top 5 owners hold
83%
Concentration (HHI)
3,971 · concentrated
All mapped assets · owners locked
Share of capacity with an identified owner
| # | Company | Assets | Capacity | Share | Est. generation / yr | Mix | |
|---|---|---|---|---|---|---|---|
| Enel | 149 | 7.8 GW | 61.9% | 25.6 TWh | |||
| A2A | 15 | 865 MW | 6.8% | 3.0 TWh | |||
| Hydro Dolomiti | 12 | 791 MW | 6.3% | 2.8 TWh | |||
| 4 | C.E.I.S | 1 | 636 MW | 5.0% | 947 GWh | ||
| 5 | Edison | 39 | 385 MW | 3.0% | 1.1 TWh |
Owners come from operator names on mapped assets, with subsidiaries grouped under the parent where obvious. Generation is an estimate from typical Italy capacity factors (solar 17%, wind 23%, hydro 40%), not metered output.
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