Iberdrola

◌ Pending Review

⚡ Energy Supply / UtilitiesESBelow expectations

~42,000 employees~€49B revenue51.6Mt CO₂e totalRanked #159 of 322Website ↗

Iberdrola is a energy supply / utilities company headquartered in ES with total reported emissions of 51.6Mt CO₂e per year. Based on our 10-question rubric, Iberdrola scores 38/100 — rated as below expectations on sustainability for a company of its size and profile.

SINK Score Breakdown

How we calculated Iberdrola's score using our formula: (0.3 × Base + 0.7 × Performance) × Scale Penalty

Base Impact

Energy Supply / Utilities industry ceiling

Performance

68/100

10 questions scored below

Scale Penalty

0.6x

emissions volume multiplier

SINK Score

(0.3 × 55 + 0.7 × 68) × 0.6 = 38

Emissions Breakdown

Scope 1

10.6Mt

Direct emissions

Scope 2

1.7Mt

Energy (purchased)

Scope 3

39.3Mt

Value chain

Total

51.6Mt

CO₂e per year

10-Question Rubric Breakdown

Click any question to see the reasoning, sources and community challenges.

8/10

Carbon Footprint — Operations

7/10

Carbon Footprint — Supply Chain

7/10

Emissions Trajectory

7/10

Energy Source

7/10

Nature & Biodiversity Impact

5/10

Resource Use & Waste

6/10

Water Impact

8/10

Targets & Commitments

8/10

Transparency & Accountability

Q10

5/10

Controversies & Red Flags

Community Verification

0 verifications · 0 challenges · Scored using SINK editorial review

Last scored: 4 Apr 2026

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