Sapphire Energy
Sapphire Energy was a San Diego-based biotech venture (founded 2007, now defunct) that developed algae-derived "green crude" oil as a renewable alternative to petroleum crude for refining into transport fuels. The company never achieved commercial production despite raising over $300 million from top-tier cleantech investors.
- Company typePrivate
- Founded2007
- HeadquartersSan Diego, United States
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What Sapphire Energy does
Sapphire Energy, Inc. was a San Diego-based biotechnology and renewable-energy venture founded in 2007 that aimed to produce hydrocarbon-based "green crude" oil from algae cultivated in open ponds using non-potable or salt water. The company extracted algal oils and converted them into a feedstock positioned as a direct replacement for petroleum-based crude, suitable for refining into petrol, diesel, and jet fuel without competing with food crops for arable land. Its sole product, marketed as Green Crude, was demonstrated at the Green Crude Farm facility in Luna County, New Mexico (opened in 2012 with US Department of Energy grant support), which produced approximately 2,500 gallons of crude oil equivalents between 2012 and 2014 — far below commercial viability scale.
The company was funded entirely through venture capital and government grants, attracting over $300 million across multiple rounds from investors including Bill Gates's Cascade Investment, Venrock, ARCH Venture Partners, ArrowMark Partners, Wellcome Trust, and the US Department of Energy. A dormant UK subsidiary, Sapphire Energy Limited, was registered in Northern Ireland in 2013 to support European market entry. Despite strong scientific foundations and high-profile backers, Sapphire failed to achieve commercially viable production costs. Falling oil prices after 2014 eroded the economic case, and by 2017 most staff and operations had been wound down. No formal bankruptcy was declared, but intellectual property assets were sold or lapsed and the company is listed as defunct in market directories including PitchBook and Crunchbase.
Sapphire Energy's commercial model was never realized — there were no paying customers, no disclosed pricing, and no revenue-generating production. Its value proposition rested on a long-horizon bet that algae-derived crude could scale into existing petroleum refining infrastructure, a thesis that ultimately could not bridge the gap between laboratory success and commercial unit economics.
Sapphire Energy firmographics
Firmographics- Name
- Sapphire Energy
- Legal name
- Sapphire Energy, Inc.
- Website
- https://sapphireenergy.com
- Company type
- Private
- Founded year
- 2007
- Operating status
- Closed
- Headcount range
- 51–100 employees
- Short description
- Sapphire Energy was a San Diego-based biotech venture (founded 2007, now defunct) that developed algae-derived "green crude" oil as a renewable alternative to petroleum crude for refining into transport fuels. The company never achieved commercial production despite raising over $300 million from top-tier cleantech investors.
- Ownership category
- akta.pro rank
Sapphire Energy industry classification
Industry- Product category
- Algae-based biofuel production
- NAICS
- Chemical Manufacturing (325)
- SIC
- Chemicals & Allied Products (2800), Industrial Organic Chemicals (2860)
- akta.pro primary industry
- Seaweed & Algae Aquaculture (incl. microalgae) (AFAEAAAE)
Keywords
Where Sapphire Energy is headquartered
LocationHeadquarters
- HQ city
- San Diego
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Sapphire Energy business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Operations, Personnel, Supply Chain, Infrastructure
Sapphire Energy product offering
Product offeringCore offering
Sapphire Energy cultivated algae in open ponds using non-potable or salt water, extracted algal oils, and converted them into hydrocarbon-based 'Green Crude' oil designed as a direct replacement for petroleum-based crude suitable for refining into petrol, diesel, and jet fuel. The company operated a demonstration facility (Green Crude Farm) in Luna County, New Mexico to showcase the technology.
Product overview
Sapphire Energy operated as a single-product biotechnology venture focused on producing algae-based biofuel. The company's sole offering was its 'Green Crude' product — a hydrocarbon-based crude oil derived from algae cultivated in open ponds using non-potable or salt water. The company operated a demonstration facility called the Green Crude Farm in Luna County, New Mexico (opened in 2012) to showcase its technology. The product was positioned as a scalable, sustainable alternative to fossil fuels without relying on food crops or arable land, but the company ultimately failed to achieve commercially viable production costs and ceased operations by the late 2010s.
Differentiator
Problem solved
Functional benefit
Products and services
- Green Crude Algae-based biofuel crude oil produced through cultivation of algae in open ponds using non-potable or salt water, extraction of algal oils, and conversion into a hydrocarbon-based crude intended as a direct replacement for petroleum-based crude for refining into petrol, diesel, and jet fuel. Targeted at oil refiners and downstream fuel producers.
Companies that use Sapphire Energy
Customer profileIdeal customer profiles1 record
Sapphire Energy technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature1 record
Sapphire Energy partnerships and signals
Strategic signalScale indicators3 records
Recent moves5 records
Expansion highlights2 records
Sapphire Energy competitors and assessment
Company assessmentBroad incumbents
- Synthetic Genomics: La Jolla-based R&D venture founded by Craig Venter that worked on engineered algae for biofuels and high-value products. Operated in the same algae-to-fuel space with deeper scientific resources, providing a broader R&D counterpoint to Sapphire's commercial focus.
- Mascoma Corporation: Cellulosic ethanol company that applied biotechnology to convert non-food biomass into fuels. Pursued comparable next-generation biofuel economics through biological conversion processes and ultimately merged with Lallemand to focus on yeasts.
- Amyris: Synthetic biology company that engineered yeast to produce hydrocarbon fuels and chemicals from sugar feedstocks. Pursued adjacent drop-in biofuel pathways with similar venture funding scale and similar struggles transitioning from demonstration to commercial production.
Direct peers
- Algenol: Florida-based algae biofuels venture that similarly pursued ethanol and hydrocarbon fuels from cultivated algae. Both companies targeted the same commercial scale-up challenge with similar open-pond and closed-system approaches, and Algenol also wound down commercial operations.
- Solazyme (now TerVia): Pioneer in fermenting microalgae into oils and fuels using heterotrophic cultivation. Closest commercial-stage peer in algae-based fuels, though Solazyme ultimately pivoted away from fuels toward nutrition/personal care and was acquired by Corbion.
- Range Fuels: Cellulosic biofuels company that built a commercial-scale plant in Georgia to convert biomass into synthetic gasoline and methanol. Comparable next-generation biofuel venture that collapsed due to technology and scale-up issues similar to those faced by Sapphire.
- Joule Unlimited: Massachusetts-based algae biofuel company that developed direct solar-to-fuel conversion technology for diesel and ethanol. Pursued the same algae-to-hydrocarbon thesis as Sapphire and similarly ceased operations after failing to achieve commercial scale economics.
- KiOR: Cellulosic biofuels company that converted biomass into drop-in gasoline and diesel using catalytic cracking. Comparable advanced biofuels venture that raised significant capital and ultimately filed for bankruptcy after failing to achieve commercial throughput targets.
- Heliae Development: Gilbert, Arizona-based algae cultivation company that produced algal biomass for fuel and higher-value nutrition applications. Direct peer in algae cultivation scale-up, though it pivoted to focus on agtech and nutrition after commercial fuel economics proved difficult.
Emerging players
- LanzaTech: Gas fermentation company that converts industrial waste gases into ethanol and chemical feedstocks using engineered microbes. Represents an alternative carbon-to-fuel pathway with similar venture backing and a longer operational runway than Sapphire achieved.
Market position
Weaknesses5 records
Competitive moat2 records
Key risks5 records
Key highlights5 records
Customer concentration
Sapphire Energy social profiles
Digital presenceSapphire Energy financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sapphire Energy leadership team
Management profileNumber of profiles
Sapphire Energy subsidiaries and ownership
Company hierarchySubsidiaries1 record
Sapphire Energy funding detail
Funding detailFunding overview
Funding rounds6 records
Investors6 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sapphire Energy M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sapphire Energy
What does Sapphire Energy do?
Sapphire Energy cultivated algae in open ponds using non-potable or salt water, extracted algal oils, and converted them into hydrocarbon-based 'Green Crude' oil designed as a direct replacement for petroleum-based crude suitable for refining into petrol, diesel, and jet fuel. The company operated a demonstration facility (Green Crude Farm) in Luna County, New Mexico to showcase the technology.
Is Sapphire Energy a public or private company?
Sapphire Energy is a private company. It is classified as venture growth investor backed and is currently closed.
When was Sapphire Energy founded?
Sapphire Energy was founded in 2007. It employs 51 to 100 people.
Where is Sapphire Energy based?
Sapphire Energy is headquartered in San Diego, United States, in the North America region.
Who are Sapphire Energy's main competitors?
Broad incumbents on record are Synthetic Genomics, Mascoma Corporation and Amyris. Direct peers are Algenol, Solazyme (now TerVia), Range Fuels, Joule Unlimited, KiOR and Heliae Development. LanzaTech is listed as an emerging player.
Does Sapphire Energy have an API?
No public API is recorded for Sapphire Energy.
What industry is Sapphire Energy in?
Sapphire Energy's product category is Algae-based biofuel production. Its primary akta.pro industry code is AFAEAAAE, Seaweed & Algae Aquaculture (incl. microalgae). Its NAICS code is 325 and its SIC code is 2800.