When was Carbon Lighthouse founded?

Carbon Lighthouse was founded in 2010 and raised its 1st funding round 8 years after it was founded.

Where is Carbon Lighthouse located?

Carbon Lighthouse is headquartered in San Francisco, United States. It is registered at San Francisco, California.

How many employees does Carbon Lighthouse have?

As of Mar 31, 2026, the latest employee count at Carbon Lighthouse is 27.

Is Carbon Lighthouse a funded company?

Carbon Lighthouse is a funded company, having raised a total of $59.6M across 2 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on Mar 13, 2018.

When was the latest funding round of Carbon Lighthouse?

Carbon Lighthouse's latest funding was a $***** Series B round on Jun 04, 2019, with participation from 2 investors. Its primary sector is Energy Efficiency Tech. In United States, the Energy Efficiency Tech sector has seen $4.6B in funding in 2026 to date.

Where does Carbon Lighthouse rank among its competitors?

Carbon Lighthouse ranks 7th amongst 95 active competitors, of which 8 are funded. It stands 3rd in terms of total funding among its competitors. The most recent competitor to raise funding was Redaptive, which secured $650M in May, 2025.

Who are the top competitors of Carbon Lighthouse?

Carbon Lighthouse's top competitors include PowerSecure, Redaptive and BlocPower. Among them, Redaptive secured the most recent funding round in May, 2025.

Carbon Lighthouse - 2026 Company Profile, Team, Funding & Competitors

Company Details

Provider of project management services for commercial and industrial industries. The sensors track electrical flow through individual circuits, temperatures, light levels, and more creating a detailed understanding of how the asset operates and offering energy efficiency measures that reduce utility bills and carbon emissions, such as scheduling of major equipment, optimizing heating, ventilation, and air conditioning cooling and heating loops.

Website: www.carbonlighthouse.com/
Social
Email ID: *****@carbonlighthouse.com
Registered Address: San Francisco, California

Key Metrics

Founded Year

2010

Location

San Francisco, United States

Stage

Series B

Total Funding

$59.6M in 2 rounds

Latest Funding Round

Series B, Jun 04, 2019, $*****

Investors

Cox Enterprises & 20 more

Ranked

7^th among 95 active competitors

Employee Count

27 as on Mar 31, 2026

Similar Companies

PowerSecure & 343 more

View Carbon Lighthouse's full profile

Carbon Lighthouse is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Reports
CARBON LIGHTHOUSE INC CIN: 273261836 , United States, Active	Dec 31, 1999	-	8 (As on Dec 31, 2024)	-

Carbon Lighthouse has raised a total funding of $59.6M over 2 rounds. Its first funding round was on Mar 13, 2018. Its latest funding round was a Series B round on Jun 04, 2019 for $*****. 2 investors participated in its latest round. Carbon Lighthouse has 19 institutional investors and 2 angel investors.

Here is the list of recent funding rounds of Carbon Lighthouse:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jun 04, 2019	8652795	Series B	9421036	6218494	4751042	9400149
Mar 13, 2018	2787421	Series A	2378007	7462696	GRC SinoGreen	JCI Venture & 6 more

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View details of Carbon Lighthouse's funding rounds and investors

The founders of Carbon Lighthouse are Raphael Rosen and Brenden Millstein.

Here are the details of Carbon Lighthouse's key team members:

Raphael Rosen: Chief Executive Officer of Carbon Lighthouse.
Contact Info: 1 email address
Brenden Millstein: Co-Founder of Carbon Lighthouse.
Contact Info: 1 email address

View details of Carbon Lighthouse's Founder profiles and Board Members

Carbon Lighthouse's employee count trend

Carbon Lighthouse has 27 employees as of Mar 26. Here is Carbon Lighthouse's employee count trend over the years:

Employee count trend for Carbon Lighthouse

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Top competitors of Carbon Lighthouse include PowerSecure, Redaptive and BlocPower. Here is the list of Top 10 competitors of Carbon Lighthouse, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	PowerSecure 1991, Wake Forest (United States), Acquired	Energy efficiency and smart grid management solutions	-	Glen Capital, Citi & 1 others	64/100
2nd	Redaptive 2015, San Francisco (United States), Series E	Provider of Energy-as-a-Service solutions that finances, deploys, and manages energy infrastructure	$733M	CPP Investments, CBRE & 11 others	63/100
3rd	BlocPower 2012, New York City (United States), Series B	Provider of project management solutions	$250M	Goldman Sachs, Climate Capital & 49 others	61/100
4th	Willdan 1964, Anaheim (United States), Public	Provider of project management solutions for the energy industry	-	Sagard Holdings	55/100
5th	Service Logic 1945, Charlotte (United States), Acquired	Provider of installation services for HVAC systems	-	The Jordan Company, Sterling Investment Partners ... & 4 others	55/100
6th	Sparkfund 2013, Washington, DC (United States), Series C	Subscription-based energy as a service provider	$49.9M	Vision Ridge Partners, E8 & 6 others	49/100
7th	Carbon Lighthouse 2010, San Francisco (United States), Series B	Provider of project management services for commercial and industrial industries	$59.6M	For Good Ventures, National Grid Partners ... & 19 others	49/100
8th	Black Bear Energy 2015, Boulder (United States), Acquired	Provider of solar and energy storage solutions for commercial real estate. It assists clients in identifying, procuring, and executing new energy projects. A vendor-agnostic approach is used, leveraging a proprietary online platform and extensive industry experience to facilitate efficient project management and deployment. The company's success-fee model aligns incentives with client goals, ensuring transparency and a collaborative partnership. Services include portfolio assessment, competitive procurement, and ongoing support throughout the project lifecycle.	$10.5M	Boulder Ventures, Capricorn Partners & 2 others	44/100
9th	WindESCo 2012, Boston (United States), Series B	Provider of IoT-enabled sensor solutions for wind turbines	$30.4M	WAVE Equity Partners, ABB & 3 others	42/100
10th	Allumia 2013, Seattle (United States), Series A	IoT and AI-driven energy management solutions	$10M	JW Asset Management, American Electric Power ... & 6 others	41/100