The partner of choice for exceptional companies

we help founders solve the world’s most difficult problems.

our portfolio

our platform allows us to invest broadly across the low carbon economy of the future – we can help companies at the inflection stage scale, invest in new revolutionary climate technologies, or lend to established businesses.
AddEnergie is a leading North American charging network operator for electric vehicles and a major provider of smart charging software and equipment.
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Aeroseal’s mission is to shrink carbon emissions with our breakthrough technologies -- 1 gigaton of CO2 annually. Driven by a passionate team in a dynamic culture, Aeroseal exists to advance sustainability through innovation. We have already completed nearly 200,000 seals, saving up to $2 billion in energy waste globally.
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Founded in 2014, Arcadia is a nationwide clean energy platform with one simple mission — to promote clean, renewable power across the United States.
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Attivo Networks, the global leader in deception technology, provides customers with a platform to efficiently detect, investigate, and respond to in-network attacks in enterprises and industrial environments.
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BHI is an industry-leading provider of specialty services and staffing solutions to support the daily operations, routine maintenance and capital investment requirements for the power generation, oil & gas, and electricity transmission & distribution end markets. The Company’s broad service offering enables it to be an embedded provider of choice to a diverse customer base comprised of blue-chip utility and energy companies. BHI has a workforce of over 8,500 experienced project management and technical, professional and craft employees operating at more than 130 global project locations.
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Boston Metal is a global metals technology solutions company that is electrifying and decarbonizing steelmaking.
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Celerity, headquartered in San Francisco and founded in 2001, is a leading provider of information management services focused on the retrieval, organization and analysis of complex data for gas and electric utilities, state governments, law firms, and corporations.
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Chargerhelp! is the first and only on demand repair app for electric vehicle charging stations. The clean-tech start up’s commitment is two fold: creating an innovative solution within the electric vehicle (EV) industry that encourages climate change and job creation through workforce development across the United States. The company’s motto is simple: getting EV charging stations and people back to work.
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CIMCON Lighting, Inc. uses LED lighting to create a wireless sensor network and platform enabling cities to implement a variety of Smart City applications to manage outdoor lighting, monitor air quality, meter electric vehicle chargers, improve public safety and security, optimize parking, traffic and waste management to improve the quality of life for city residents.
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Dragos, Inc. is an industrial cybersecurity company founded by industrial security practitioners and focused on the industry's hardest security challenges. Its Dragos Platform, Threat Operations Center, and Intelligence team ensure asset owners and operators have access to the right cybersecurity technology, services, and intelligence to operate safely, reliably, and efficiently in the ever growing hostile digital landscape.
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Derive creates solutions to optimize vehicle performance and fleet profitability. Derive is a leading automotive technology company, empowering customers to take control of their vehicles, optimizing vehicle performance, fuel efficiency, safety, and more.
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ecobee provides elegantly designed, wifi-enabled smart thermostats and light switches for residential homes and commercial workplaces engineered to maximize comfort and savings without comprising your lifestyle.
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Enchanted Rock, founded in 2006, develops, builds, owns and operates cost effective microgrids that help large commercial and industrial customers manage physical and financial risk associated with electricity. Leveraging a proprietary natural gas genset design, the company has deployed over 200MW of customer microgrids to-date.
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eSmart is a Norwegian provider of AI-based analytics for infrastructure inspection and asset health monitoring.
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ev.energy’s mission is simple: to make ev ownership easier, greener and cheaper. ev.energy's software manages vehicle charging, automatically optimizing for greener and cheaper rates. Operating in Europe, US and Australia, ev.energy offers a freely downloadable app that integrates with a growing list of popular home chargers, Tesla, Volkswagen vehicles and other vehicles such as Jaguar, currently in beta testing.
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EVmo, Inc. bridges the gap between rideshare and "last mile" delivery drivers in need of suitable vehicles and the companies in the rideshare, delivery and logistics businesses that depend on attracting and keeping drivers. EVmo, Inc. is a leading provider of rental vehicles to drivers and delivery companies in this ever-expanding gig economy. The company supports drivers in both the higher and lower economic categories with innovative policies and programs.
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The mission of Finite State is to protect the devices that power our modern lives by illuminating the vulnerabilities and threats within their complex software supply chains. With extensive backgrounds in cybersecurity and the U.S. Intelligence community, and market differentiating capabilities centered on device identification, risk analysis, and firmware analysis, Finite State provides the best option for securing and managing connected devices and critical infrastructure.
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Breakthrough long duration energy storage systems to enable a fully renewable, affordable and reliable electric system.
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GridX, Inc. partners with utilities and energy suppliers to transform their businesses and accelerate the clean energy transition. The company’s Business Operations Support (BOS) Cloud application suite helps these organizations to develop new products and business models to achieve their clean energy goals; quickly operationalize new offerings in their billing and settlement processes; better engage with their customers for broader program adoption; and serve as their customers’ trusted energy advisors throughout the process.
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Hippo Harvest is building a robotics-enabled, next generation greenhouse company leveraging off-the-shelf robotics, sensors and hydroponic growing systems to deliver indoor grown produce at competitive prices to outdoor farms.
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Hometree Group is a residential energy services company paving the way for a brighter future by making renewable energy in the home more affordable and accessible for millions of people. We started our journey in the home cover market, helping customers keep their homes warm and working by protecting their most essential assets from breaking down. Now, with our growing network of products and services under our three business divisions (Home Services, Energy Services and Financial Services), we are supporting the full life cycle of sustainable homeownership, helping people install, manage and finance renewable energy solutions that enable sustainable, stress-free living.
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Designed by protective moms and driven by caregivers, HopSkipDrive is the innovative, safe, dependable youth transportation solution for schools, districts, government agencies, and families. HopSkipDrive’s advanced technology platform and industry-leading operational expertise provide school districts with safety, flexibility and visibility while helping create opportunity for all through mobility.
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Innowatts is a leading provider of meter-level predictive analytics for load forecasting, risk management, and customer engagement.
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Founded in Toronto in 2016, Li-Cycle is an industry-leading lithium-ion battery resource recovery company and the largest lithium-ion battery recycler in North America.
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Marketing Evolution is a provider of person-centric marketing measurement and optimization software designed to improve marketing spend ROI. The Company's analytics and cloud-based software analyzes campaign performance in near real-time, identifying opportunities for optimization of media mix and creative rotation helping customers maximize their media spend.
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Mosaic is the nation's leading residential clean energy lending platform, offering financing for solar and home improvements in the modern, energy-conscious home.
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Moxion Power manufactures mobile energy storage technology and operates an all-electric equipment rental business, providing clean, temporary-power-as-a-service to customers in industries such as construction, electrified transportation, events and entertainment, and telecommunications. Moxion’s technology and vertically integrated business model offer the first viable alternative to fossil fuel-burning generators.
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Nitricity helps farmers produce their own zero-carbon nitrogen fertilizer, on-site, using a proprietary technology that makes fertilizer best for fields and farmers rather what’s best for factories and freight.
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NS1’s DNS, DHCP and IPAM solutions provide the modern foundational infrastructure to facilitate application network delivery and access. NS1’s innovative solutions let you easily deploy and optimize applications in distributed, heterogeneous infrastructure on-prem and in the cloud.
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Opus One Solutions is a software engineering and solutions company with the vision of a Connected Distributed Energy Network. Through GridOS®, its intelligent energy networking platform, Opus One optimizes complex power flows so that it can deliver real-time energy management to distribution utilities and other managers of distributed energy assets. GridOS is modular, scalable, and integrates seamlessly with existing data systems to unlock greater potential for distributed energy resources, including renewable generation, energy storage, and responsive demand. GridOS also facilitates the management of microgrids — from homes to businesses to communities — for unparalleled grid resiliency and value to the electricity customer.
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Palmetto is a clean technology software and fulfillment platform for deploying solar and energy efficiency products.
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Particle provides a full-stack IoT platform that enables businesses to bring connected solutions to market. Used by over 180,000 developers worldwide, Particle's hardware, connectivity, and device management tools make it easy to rapidly prototype and deploy at scale.
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Project Canary, an International Environmental Standards company based in Denver, Colorado, is a mission-driven B-Corporation (approval pending) accountable to a double bottom line of profit and the social good. Project Canary believes it is possible to create a financially successful, self-sustaining business that “does well and does good.” Project Canary’s goal is to mitigate climate change by helping the energy value chain operate on a cleaner, more efficient, more sustainable basis. Its proven solutions provide real-time emissions monitoring and rigorous independent certification of oil and gas well sites for responsible operations. Project Canary helps organizations collect, manage, operationalize, and benefit from real-time, trusted, and independent environmental data.
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Proterra is a leader in the design and manufacture of zero-emission buses that reduce fleet operating costs while eliminating the dependency on fossil fuels.
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Powin Energy Corporation develops energy storage solutions for utilities, commercial, industrial, and electric vehicle fast charging applications. The Company offers battery charging by balancing battery functions down to the cell level. Powin Energy serves customers in the United States.
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RangeForce provides CyberSkills Simulation Training & Cyber Range Solutions, helping enterprises assess their team skills, learn through adaptive learning paths, and transform their organizations for true cyber resiliency.
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RapidSOS provides life-saving data from millions of connected devices directly to 9-1-1 and first responders in an emergency – providing faster, more effective response for over 150 million emergencies annually.
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Sense Labs, Inc., founded in 2013, provides home intelligence through non-intrusive load disaggregation technology. Using its hardware and machine-learning cloud software, Sense delivers customers detailed, real-time information about their homes through a consumer app. The Boston-based company, led by a successful entrepreneur, has developed leading technology that could be valuable in numerous, large markets (energy, insurance, smart home, electronics, etc.).
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SmartRent is a leading provider of enterprise home automation software tools and hardware to help owners and property managers better monitor and protect their assets while delivering renters a best-in-class renting experience in their communities.
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SparkFund, founded in 2013 and based in Washington, D.C., is an origination and financing platform to offer customers energy efficiency equipment through the “as a service” mode of sale. Specializing in LED retrofit offerings and targeting the less efficient small and medium-sized C&I sector, the company combines its specialized fund management engine, front-end integration software, and capital provider relationships to offer leading ESCO and REP channel partners a powerful sales and conversion tool for energy efficiency products.
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Spire Power Solutions is a leading engineer and manufacturer of power transformers.
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Swimlane is a security operations management platform that centralizes an organization’s security alerts, automates resolution, and dynamically produces metrics-based dashboards and reports.
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Tenere is a top provider of custom mechanical solutions across a range of industries to include cloud infrastructure, network architecture, fiber optics, autonomous transportation, and renewable energy.
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TESCO is the trusted source for meter testing instruments and accessories since 1904. TESCO’s services to the utility industry include Meter Shop Layout, Statistical Sampling, Equipment Specifications, Field Services, Facility Relocation, Quality Systems, Project Management and Custom Equipment.
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Trifacta provides the industry leading data preparation solution, allowing companies to accelerate data cleaning and preparation across any cloud, hybrid, and multi-cloud environment.
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Urbint solves complex infrastructure issues for utilities by applying artificial intelligence to service territory data.
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Volta was founded in 2010 out of a passion for transforming transportation. Volta partners with visionary brands to create an iconic charging network that inspires people to drive electric. And, it’s free. With a decade of insightful experience, Volta has refined the art and science of developing demand-driven electric vehicle charging networks.
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Williams was founded in 1958 and is a leading contractor for mission-critical construction and maintenance services to the power generation industry. Williams helps customers stay competitive and efficient as they reach peak operational performance through optimized services and unmatched expertise.
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Zap Energy is building the most compact, low-cost and scalable fusion reactor that does not employ magnets. Zap Energy achieved thermonuclear fusion in 2018 and is targeting scientific energy breakeven by 2023. Success would mean the production of inexpensive and unlimited carbon-free energy.
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The Greentech start-up Zolar offers fixed-priced photovoltaic systems, which home owners can plan, compare and commission online, according to their needs. With the help of the in-house developed Zolar Online Configurator, homeowners have the possibility to adjust the components of their PV system according to their wishes, and along with this, receive an individual consultation from solar experts.
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42Crunch bridges the gap between API development and security teams with a simple, automated platform that provides auditing, live endpoint scanning, and micro API firewall protection. Unlike other solutions on the market, the 42Crunch platform empowers development, security and operations teams with a set of integrated tools to easily build security into the foundation of the API and enforce those policies throughout the API lifecycle. By delivering security as code you enable a seamless DevSecOps experience, allowing innovation at the speed of business without sacrificing integrity.
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exits

Some of our great companies found a new home...
AMS is a SaaS company with an A.I. software platform that uses deep learning algorithms to enable optimized trading of complex energy assets in wholesale energy markets.
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Aquam Corporation is an integrated pipe infrastructure solutions company, based in San Diego, CA, that provides proven technology solutions to owners and operators of both water and natural gas pipe infrastructures.
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AutoGrid's suite of Energy Internet applications allows utilities, electricity retailers, renewable energy project developers and energy service providers to deliver cheap, clean and reliable energy by managing networked distributed energy resources (DERs) in real time and at scale.
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Clevest helps utilities deliver safe, reliable and superior services through our innovative and configurable mobile workforce management and smart grid operations software solutions. We specialize in optimizing utility field operations, automating field activities and processes to improve safety, reliability, and response time. Over 220 utilities worldwide have selected Clevest as their mobile workforce partner, based on our experience from hundreds of successful implementations.
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FirstFuel is a global leader in C&I customer engagement solutions for utilities. The Company is using advanced analytics to support over 30 energy providers in North America and Europe improve business customer satisfaction, drive sales and increase program participation. Combining data science, building science, and software, FirstFuel’s SaaS platform drives insights from over 4 million meters.
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Greenlots is the leading provider of an open standards-based charging platform with core competencies surrounding energy storage, remote load control, demand response, and billing.
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Powerphase has commercialized advanced aero-thermal technology for power generation and industrial applications to use air more effectively and efficiently in combustion turbines. The management team has leading expertise in combustion turbine design and technology, combined with deep experience in the power industry. There are 10 patents awarded and more than 80 patents pending on the company's technology. The company was founded in 2012 and is headquartered in Jupiter, Florida.
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Remix is the platform for designing and managing your city’s transportation future. Trusted by 4,000 planners in 300+ cities on three continents, Remix helps cities understand how streets, public transit, and private mobility work together. Remix empowers planners to explore new concepts, make informed decisions with data, and rally people around their vision. Remix helps ensure that cities are safe, accessible, and equitable for everyone.
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Ring is on a mission to make neighborhoods safer. Through their innovative video doorbells, outdoor cameras and other products Ring allows customers to see, hear and interact with people at their home from anywhere in the world.
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Formed in 2004 and based in Boulder, Colorado, Tendril is backed by some of the largest blue-chip venture capital investors and has become a leader in residential energy analytics. The company’s offerings including behavioral energy efficiency and customer engagement with its home energy report, and bill monitoring products, and continuous demand management through its Orchestrated Energy product.
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Viriciti provides the leading monitoring solution that optimizes the operation and performance of electric bus and truck fleets. Their cloud-based telematics platform enables transportation operators to gain critical real-time visibility into their fleet, drive more electric miles, reduce operational costs, understand driver behavior, and predict and respond to issues and outages. They also provide solutions for mixed electric and diesel fleets, as well as smart charging and charge station monitoring.
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