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Antonio Sieira

Founder and CEO at IGNIS ENERGY HOLDINGS

Manager

Deal Bio

Total Deals5

Valued Deals2

Total Value£ 874 M

Avg. Deal Size£ 437 M

Market Context

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04 Oct 2021|Spain|Alternative Fuels

Target: IGNIS ENERGY HOLDINGS

Bidder: EFG HERMES HOLDING SAE

8 Service Providers

3 Target | 5 Bidder

12 Dealmakers

5 Target | 8 Bidder

£ 535 M

Value

25 Jun 2024|Spain|Alternative Fuels

Target: IGNIS / KKR JOINT VENTURE

Bidder: IGNIS ENERGY HOLDINGS

8 Service Providers

8 Bidder

21 Dealmakers

21 Bidder

£ 338 M

Value

01 Apr 2025|Spain|Diversified Industrials

Target: IGNIS / ALCOA JOINT VENTURE

Bidder: IGNIS CAPITAL

4 Service Providers

1 Target | 3 Bidder

21 Dealmakers

1 Target | 22 Bidder

n/a

Value

29 Aug 2025|Spain|Alternative Electricity

Target: IGNIS ENERGY (8 RENEWABLE ENERGY FACILITIES)

Bidder: ACS GROUP (ACTIVIDADES DE CONSTRUCCION Y SERVICIOS SA)

3 Service Providers

1 Bidder | 2 Vendor

6 Dealmakers

2 Bidder | 4 Vendor

n/a

Value

09 Sep 2025|Spain|Alternative Electricity

Target: IGNIS ENERGY (50 MW DINTEL PHOTOVOLTAIC PLANT)

Bidder: MILLENNIUM GREEN INVESTMENTS

4 Service Providers

2 Bidder | 2 Vendor

7 Dealmakers

3 Bidder | 4 Vendor

n/a

Value