Financial Services / Banking

NextEnergy Solar Fund sustainability score: 56/100

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About NextEnergy Solar Fund

NextEnergy Solar Fund is a Guernsey-registered investment entity managing a portfolio of solar generation and battery storage assets across Europe. It has no employees and functions as an Article 9 SFDR fund, with investment management delegated to NextEnergy Capital.

More about NextEnergy Solar Fund

Total net income FY2026 was £33.3M; the fund reports financed emissions on a portfolio basis.

Founded 2013Head office GuernseyStaff No employeesRevenue £33.3M total net income (FY to 31 Mar 2026)Website ↗

Read NextEnergy Solar Fund's own report ↗

Our verdict

NextEnergy Solar Fund reports solar portfolio emissions with no independent assurance, relying on external calculators. Emissions fell sharply year-on-year but largely due to one-off construction completion. Scope 2 rose 6% on supplier change. Nature metrics improved via methodology revision; panel recycling and decommissioning targets absent. No controversies found.

NextEnergy Solar Fund scores 56/100 (Making progress) on SINK's independent climate assessment, scored from public data only. Scores are free. Companies can never pay for anything about their own score. Last verified November 2026.

That places NextEnergy Solar Fund joint 39th of 988 companies scored, and 3rd of 63 in Financial Services / Banking.

The ten questions

What is NextEnergy Solar Fund doing well, and where does it fall short?

Strongest on Controversies & Red Flags and Carbon Footprint: Supply Chain (8/10, 7/10). Weakest on Energy Source and Emissions Trajectory (4/10, 5/10).

What's missing

Where NextEnergy Solar Fund lost points

For each question that lost points, the evidence our public rubric looks for that we didn't find.

  • Emissions from its own operations6/10Its own emissions aren't independently verified or tracked over several years.
  • Emissions from its supply chain7/10No full value-chain map or supplier engagement programme.
  • Whether its emissions are falling5/10No evidence of a year-on-year fall in its total emissions.
  • How clean its energy is4/10Less than half its energy shown to be renewable, or no transition plan.
  • Its effect on nature7/10No verified restoration beyond its own footprint, or supply chain not mapped for nature risk.
  • How it uses materials and handles waste5/10No measurable waste or recycling targets reported publicly.
  • Its effect on water5/10No measured water footprint with reduction targets.
  • Its climate targets5/10Its targets aren't science-based or committed to the Science Based Targets initiative.
  • How openly it reports7/10No annual impact report, or no pay linked to climate targets.

A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.

The calculation

How is NextEnergy Solar Fund's SINK score calculated?

Same ten questions for every company. No private weighting.

SINK = (0.3 × Base + 0.7 × Performance) × Scale
Industry base impact
Financial Services / Banking sector ceiling.
50 / 100
Performance score
Sum of the ten questions, each scored 0 to 10.
59 / 100
Raw score
Weighted average before scale penalty.
(0.3 × 50) + (0.7 × 59) = 56.3
Scale penalty
Multiplier based on total emissions. Bigger polluters lose more.
× 1
Financed emissions
Emissions of the investments, lending or insurance it finances, as the company reports them (PCAF standard).
0.01 Mt CO₂e
Final score
Rounded. Making progress.
56 / 100
Where the evidence comes from

What evidence is NextEnergy Solar Fund's score based on?

10 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.

30% of them were published by NextEnergy Solar Fund itself; the rest come from independent sources.

NextEnergy Solar Fund is an investment company whose income is investment income, so under our majority-revenue rule it is classed as Financial Services / Banking. NextEnergy Solar Fund's 6,165 tonnes, its equity and debt share of its projects' emissions (PCAF-style attribution), count as its financed figure (owner ruling 2026-11-06). Whether funds like this should be looked through to the generation they own is queued for our next method update, to be decided for all funds.

[1]Self-reported
NESF Annual Report 2026

“Portfolio generation totalled 844GWh”

2026
Q2Q4Q7
View →
[2]Self-reported
NESF Sustainability and ESG Report 2026

“NESF uses third-party experts to measure its GHG emissions and emissions avoided.”

2026
Q1Q2Q3Q4Q5Q6Q7Q8Q9
View →
[3]Self-reported
NextEnergy Solar Fund supply chain governance

“NESF has developed a market-leading approach to managing supply chain Sustainability and ESG Risk”

Ongoing
Q6
View →
[4]Independent source
NextEnergy/NextPower co-invest in 210 MW Santarém solar project

“for a 13% stake in a 210 MW solar PV project being constructed in Santarem, Portugal”

Unknown
Q3
View →
[5]Independent source
NextEnergy Solar Fund adds four under-construction plants to portfolio

“NextEnergy Solar Fund (NESF) has bolted on a further four under-construction solar farms to its growing asset portfolio.”

Unknown
Q4
View →
[6]Independent source
NextEnergy Solar Fund board puts company up for sale amid persistent discount

“The board of NextEnergy Solar Fund (NESF) has put the company up for sale”

2024
Q9
View →
[7]Independent source
NextEnergy Solar said to have rejected bid from Foresight Fund

“NextEnergy Solar Fund rejected a takeover proposal from Foresight Solar Fund last month”

Unknown
Q9
View →
[8]Independent source
NextEnergy Solar Fund puts itself up for sale amid persistent discount

“NextEnergy Solar Fund Ltd on Wednesday declared the start of a formal sale process”

Unknown
Q9
View →
[9]Independent source
Investors: NextEnergy Solar Fund and Bluefield raise quarterly asset valuations

“Investors Next Energy Solar Fund and Bluefield hike quarterly asset valuations”

Unknown
Q10
View →
[10]Independent source
NextEnergy Solar Fund puts itself up for sale as discount persists

“the London-listed investment company that owns solar power plants in the UK and Portugal”

Unknown
Q10
View →

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

For NextEnergy Solar Fund

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    NextEnergy Solar Fund: SINK sustainability score 56/100.

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NextEnergy Solar Fund in context

How does NextEnergy Solar Fund compare with other financial services / banking companies?

Where NextEnergy Solar Fund sits among financial services / banking peers.

Among the 63 major financial services / banking brands we've scored, NextEnergy Solar Fund sits 3rd of 63.

3/63
NextEnergy Solar Fund's rank
37
Industry average
20
Industry low
65
Industry high
See all 63 in Financial Services / Banking →
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