Carbon Footprint — Operations: How does Enphase Energy score?

Enphase reports Scope 1 at 0 tonnes CO₂e (asset-light model with no owned factories) and Scope 2 at 15,529 tonnes CO₂e for 2023, following GHG Protocol methodology. Data is disclosed in annual ESG reports aligned with SASB, GRI, and TCFD frameworks. Multi-year tracking exists from 2020 onward. However, no explicit third-party verification of emissions data was found, preventing a higher score.

Carbon Footprint — Supply Chain: How does Enphase Energy score?

Enphase reports Scope 3 emissions at 49,077 tonnes CO₂e for 2023, down from 53,542 tonnes in 2022. The 2024 ESG report includes a 'Responsible supply chain' section with enhanced supplier onboarding and monitoring. However, the company operates an asset-light contract manufacturing model with significant supply chain in China (LFP battery cells) and U.S. contract manufacturing, and full Scope 3 category-level disclosure with supplier engagement programmes is not evidenced in available materials.

Emissions Trajectory: How does Enphase Energy score?

Enphase reported a 13.4% decrease in Scope 2 emissions in 2024 vs 2023, but Scope 2 increased from 10,603 tonnes (2022) to 15,529 tonnes (2023). Total emissions were broadly flat at ~64,606 tonnes in both 2022 and 2023. The company's target is a 30% reduction in economic emissions intensity by 2030 — this is an intensity-based target, not an absolute one. Revenue declined significantly in 2024, so any absolute reduction may partly reflect business contraction rather than decarbonisation. Mixed t

Energy Source: How does Enphase Energy score?

Enphase reports operations run on 80% renewable energy as of 2024, explicitly stated as achieved without relying on renewable energy certificates. The company began sourcing renewable energy via green tariff programs at all eligible facilities and increased on-site solar generation capacity to over 1 MW. This represents meaningful progress but falls short of the 90%+ threshold required for a higher score, and no RE100 membership or formal transition plan to 100% was found.

Nature & Biodiversity Impact: How does Enphase Energy score?

No evidence of any biodiversity or nature impact assessment, TNFD adoption, or deforestation policy was found. Enphase's direct operations have limited nature exposure (offices, leased facilities), but its supply chain involves semiconductor manufacturing, battery cell production (LFP from China), and electronics components with associated mining and extraction impacts. No assessment of these nature dependencies is publicly disclosed. The company's ESG reports do not appear to address biodiversi

Resource Use & Waste: How does Enphase Energy score?

Enphase reported 100% recycling of hazardous waste (0.45 metric tonnes) in 2022. The company operates an asset-light manufacturing model, which limits direct material throughput. Microinverters are designed for long lifetimes (25-year warranties), which reduces waste compared to shorter-lived electronics. However, no comprehensive circular economy targets, product take-back programmes, or detailed waste metrics beyond hazardous waste were found in publicly available information.

Water Impact: How does Enphase Energy score?

No water consumption data, water footprint assessment, or water management policy was found in any publicly available materials. Enphase's direct operations (offices, R&D labs) have relatively low water consumption. Contract manufacturing (semiconductors, batteries) is more water-intensive, but Enphase does not disclose any supply chain water impact data. The ESG reports reviewed do not include a water section. Score reflects low direct impact but absence of any disclosure or awareness.

Targets & Commitments: How does Enphase Energy score?

Enphase has set a target to reduce Scope 1 and 2 economic emissions intensity by 30% by 2030, which is an intensity-based target, not an absolute reduction target. No SBTi commitment or validated targets were found on the SBTi Target Dashboard or in third-party sources. The DitchCarbon profile confirms Enphase 'is not committed to any reduction initiatives we track.' The intensity-based framing means emissions could rise in absolute terms while meeting the target. No net-zero commitment was foun

Transparency & Accountability: How does Enphase Energy score?

Enphase has published annual ESG reports since 2020 (2020, 2021, 2022, 2023, 2024), aligned with SASB, GRI, and TCFD frameworks. CEO compensation is explicitly tied to sustainability metrics including on-site generation capacity. The company holds 'AA' MSCI ESG and ISS ESG 'Prime' ratings, and was ranked 10th in the Corporate Knights 2025 Global 100. Governance structures include board-level ESG oversight. However, no independent third-party assurance of emissions data was confirmed, and the com

Controversies & Red Flags: How does Enphase Energy score?

Multiple securities fraud class action lawsuits were filed in 2025-2026, alleging Enphase overstated its ability to manage channel inventory and mitigate effects from the termination of the 25D Residential Clean Energy Credit. An earlier class action (2023-2024 period) alleged misrepresentation of European business conditions. These are financial disclosure issues, not environmental controversies. No greenwashing allegations, environmental fines, regulatory actions, or anti-climate lobbying were

Enphase Energy Sustainability Score: 44/100

Recently scored: Dentsu, Omnicom, Publicis Groupe, WPP

507 companies scored·4 score updates this week

Enphase Energy·Electrical Equipment / Lighting·Fremont, California, US·Founded 2006·Last verified 22 April 2026

out of 100

Below expectationsPending Review

Enphase operates with low direct emissions but lacks credible net-zero commitment and fails to address supply chain impacts. Scope 3 disclosure is incomplete, trajectory is flat despite revenue decline, and no independent verification exists. Unresolved securities litigation ties to misleading clean energy credit disclosures.

No challenges currently filed

The calculation

Every score shows its working.

Same formula for every company. No curve. No private weighting.

SINK = (0.3 × Base + 0.7 × Performance) × Scale

Industry base impact

Electrical Equipment / Lighting sector ceiling.

45 / 100

Performance score

Sum of the 10 rubric questions, scored 0–10 each.

43 / 100

Raw score

Weighted average before scale penalty.

(0.3 × 45) + (0.7 × 43) = 43.6

Scale penalty

Multiplier based on absolute emissions volume — physics-first.

× 1

Final score

Rounded. Below expectations.

44 / 100

The ten questions

Where Enphase Energy is strong, and where it isn't.

Strongest on Controversies & Red Flags and Carbon Footprint — Operations (7/10, 6/10). Weakest on Targets & Commitments and Water Impact (2/10, 2/10).

Where the evidence comes from

Every document used, listed.

8 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.

[1]Third-party verified

DitchCarbon — Enphase Energy Organisation Profile

Ongoing

Q1Q2Q3Q8

View →

[2]Public record

Power Technology — Enphase Energy Net Zero Targets

Unknown

Q1Q8

View →

[3]Self-reported

Enphase Energy — Sustainability Page

Ongoing

Q1Q5Q6Q7Q9

View →

[4]Self-reported

Enphase Energy 2024 ESG Report

Unknown

Q2Q4Q9

View →

[5]Public record

Energy Monitor — Enphase Energy Net Zero Targets

Unknown

Q3Q6Q8Q9

View →

[6]Public record

MarketScreener — Enphase Energy ESG Report 2024, Page 20

Unknown

Q3Q4

View →

[7]Public record

PR Newswire — Enphase Energy Securities Fraud Class Action

Unknown

Q10

View →

[8]Public record

KTMC Law — Enphase Energy Class Action Case Page

Unknown

Q10

View →

If you believe a source has been misread or a newer version exists, submit a challenge.

Enphase Energy in context

Where Enphase Energy sits among electrical equipment / lighting peers.

Among the 9 major electrical equipment / lighting brands we've scored, Enphase Energy sits 4th of 9.

4/9

Enphase Energy's rank

Industry average

Industry low

Industry high

1Signify

2Siemens

3Johnson Controls International

4Enphase Energy

5Siemens Energy

6Schneider Electric

7Honeywell International

8ABB

9Dyson

How this score has moved

Enphase Energy's score over time.

Score history begins 5 April 2026.

As Enphase Energy's score updates, the trajectory will appear here.

We're backfilling historical scores for FTSE 100 and S&P 100 companies over the coming weeks.

What's being contested

This score is not currently being contested.

Every challenge is published. We'd rather be corrected than wrong — that's the whole point.

No challenges submitted yet. If you have evidence that contradicts this score, you can challenge any question above — cite a public source and we'll review it.

About Enphase Energy

Enphase Energy designs and manufactures microinverters and battery systems for residential and commercial solar installations. Founded in 2006, it operates an asset-light model with contract manufacturing in the US and China. The company is a leading player in distributed solar energy infrastructure.

Founded

2006

Headquarters

Fremont, California, US

Employees

~2,872

Annual revenue

~$1.33B

Company website ↗

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