Sectors · Energy & Environment

Climate / Cleantech

Private financing across Climate / Cleantech, aggregated from public sources.

Climate / Cleantech is a subsector of Energy & Environment. Zoom out to read the whole macro sector $113.2B raised across 3,285 companies.

$23.1B
Capital raised
207
Companies
275
Rounds
2009
First on record
2026-06-29
Latest round

Cooling Climate / Cleantech drew $514.3M over the last 12 months, down 73% versus the prior 12 ($1.9B). Of 75 companies rankable against same-niche peers, 20% model over-valued and 24% under-valued.

Capital flow over time

Quarterly capital raised across Climate / Cleantech.

2009-Q3 · $900K2009-Q32009-Q4 · $113.7M2010-Q3 · $15.1M2010-Q4 · $1.8M2011-Q2 · $415K2011-Q3 · $7.4M2011-Q4 · $37.3M2011-Q42012-Q1 · $694K2012-Q2 · $54.0M2012-Q3 · $1.1M2012-Q4 · $4.2M2013-Q2 · $10.9M2013-Q3 · $267.8M2013-Q32014-Q1 · $4.4M2014-Q2 · $1.2B2014-Q3 · $16.3M2014-Q4 · $2.9B2015-Q1 · $1.7B2015-Q2 · $29.3M2015-Q22015-Q3 · $36.2M2015-Q4 · $8.0M2016-Q1 · $320K2016-Q2 · $78.1M2016-Q3 · $671.1M2016-Q4 · $5.7M2016-Q42017-Q1 · $132.1M2017-Q2 · $234.3M2017-Q3 · $10.0M2017-Q4 · $47.2M2018-Q1 · $916.5M2018-Q2 · $38.5M2018-Q22018-Q3 · $6.9M2018-Q4 · $325.9M2019-Q1 · $247.7M2019-Q2 · $35.8M2019-Q3 · $1.1B2019-Q4 · $420.6M2019-Q42020-Q1 · $79.5M2020-Q2 · $15.8M2020-Q3 · $2.2B2020-Q4 · $213.4M2021-Q1 · $1.6B2021-Q2 · $830.3M2021-Q22021-Q3 · $1.9B2021-Q4 · $223.8M2022-Q1 · $336.8M2022-Q2 · $704.7M2022-Q3 · $475.7M2022-Q4 · $141.0M2022-Q42023-Q1 · $14.3M2023-Q2 · $21.2M2023-Q3 · $559.7M2023-Q4 · $41.6M2024-Q1 · $21.1M2024-Q2 · $640.7M2024-Q22024-Q3 · $26.5M2024-Q4 · $1.6B2025-Q1 · $8.8M2025-Q2 · $249.1M2025-Q3 · $158.9M2025-Q4 · $295.7M2025-Q42026-Q1 · $20.0M2026-Q2 · $39.7M
Median round size by stage
StageMedian roundRounds
Growth/Late$700.0M17
Series D+$126.1M32
Series C$51.0M15
Series B$13.9M52
Series A$7.5M62
Seed$2.0M55
Pre-Seed$393K42
Top-funded companies
CompanyStageRaisedModeled value
WestPort Acquisition Parent, LP
OVERLAND PARK
Growth/Late$2.0B$49.1B
Uber Technologies, Inc
SAN FRANCISCO
Growth/Late$7.1B$23.1B
E2open Parent Holdings, Inc.
AUSTIN
Growth/Late$895.0M$20.7B
Mavis Tire Express Services TopCo, L.P.
SAN FRANCISCO
Growth/Late$949.0M$20.5B
Samsara Networks Inc.
SAN FRANCISCO
Growth/Late$915.0M$18.2B
Solar Holdco, Inc.
CHARLOTTE
Growth/Late$1.6B$18.0B
Carbon Analytics Holdings LLC
NEW YORK
Growth/Late$662.5M$17.2B
AIT Group Holdings, LP
NEW YORK
Growth/Late$699.5M$15.7B
Brave Topco, Inc.
SAN FRANCISCO
Growth/Late$690.6M$12.2B
Solar Topco, Inc.
SAN FRANCISCO
Growth/Late$418.7M$10.9B
Solugen, Inc.
HOUSTON
Series D+$425.9M$6.9B
Ascend Elements, Inc.
WESTBOROUGH
Growth/Late$692.7M$6.6B
Form Energy, Inc.
SOMERVILLE
Series D+$610.2M$5.1B
Sila Nanotechnologies, Inc.
ALAMEDA
Growth/Late$1.3B$4.5B
Mastec Inc
CORAL GABLES
Series D+$294.4M$3.5B
Aurora Solar Inc.
SAN FRANCISCO
Series D+$398.5M$3.5B
ChargePoint, Inc.
CAMPBELL
Series D+$570.9M$3.1B
Climate Care Innovations Inc
SCOTTSDALE
Series D+$150.0M$1.6B
Sun King
Kenya
Series D+$156.0M$1.3B
Continental Battery Holding Corp.
DALLAS
Series C$42.5M$1.1B
Related sectors

Browse all sectors or the full company rankings.

Frequently asked
How much venture funding has the Climate / Cleantech sector raised?
Companies in Climate / Cleantech have raised approximately $23.1B across 275 recorded financing rounds among 207 companies, aggregated from public sources.
Is Climate / Cleantech venture funding growing?
Climate / Cleantech funding is currently cooling: capital raised over the last 12 months was down 73% versus the prior 12 months.
What is the typical round size in Climate / Cleantech?
Median disclosed round sizes in Climate / Cleantech by stage are: Growth/Late $700.0M, Series D+ $126.1M, Series C $51.0M, Series B $13.9M. These are medians across recorded rounds, not averages.
Which are the most-funded Climate / Cleantech companies?
The most-funded Climate / Cleantech companies in our coverage include WestPort Acquisition Parent, LP, Uber Technologies, Inc, E2open Parent Holdings, Inc., Mavis Tire Express Services TopCo, L.P., Samsara Networks Inc.. See the full ranked table for disclosed capital and modeled valuations.
When did Climate / Cleantech funding activity begin in this data?
The earliest recorded Climate / Cleantech financing in our coverage dates to 2009, with the most recent round around 2026-06-29.