MassChallenge

ENERGY2GO is a provider of direct solar energy recharge to small devices and built-in power banks. The integrated PowerBank can store the sun's energy and provide customers with clean energy at any time of day and in sunlight conditions.

Natrion LLC specializes in the design and manufacture of sodium-ion batteries, focusing on large-scale energy storage solutions for renewable energy applications. Founded in 2017, the company is headquartered in Greenwich, Connecticut, and aims to enhance the efficiency of renewable energy generation by providing energy storage systems that leverage solar and wind power. Natrion's ceramic solid-electrolyte batteries are engineered to support power deployment for various sectors, making solar energy more accessible and cost-effective for residential, agricultural, and military uses.

Billbuds is a utility management company that simplifies the process of setting up and managing essential services for renters. Through its platform, users can manage all their utilities—such as electricity, gas, internet, cable, and water—from a single dashboard. Billbuds offers a feature that estimates utility costs before moving in and provides a consolidated invoice at the end of each billing cycle, which can be easily split among roommates. The platform allows for flexible payment options, enabling users to choose between a fixed monthly payment or a pay-as-you-use model. Additionally, it tracks and benchmarks utility consumption, helping renters stay informed about their usage and expenses.

We deliver a seamless EV charging experience with comfort, confidence and simplicity.

Solarflux Energy Technologies is a flexible, clean, inexpensive solar thermal power.

ALP Technologies is a renewable energy engineering start-up from London. It focuses on developing renewable energy technologies for the developing world. Since founding in 2015, it has won multiple awards and funded research and development projects such as advanced battery systems on recycled cells, novel biogas generation, and power electronic and control systems. Its small-scale power plant for developing regions uses solar, bio-ethanol, and agricultural waste to generate uninterrupted electricity. It aims to displace diesel generation and fossil fuel based power plants and leapfrog grid infrastructure in the developing world.

PolarPanel is a Forbes 30 Under 30 renewable energy startup focused on bringing clean, reliable, and low-maintenance refrigeration technology to the commercial cold chain.

Power2Peer operates a blockchain-secured energy trading platform known as P2PConnect, which serves as a virtual marketplace for renewable energy. This platform enables small-scale energy producers and consumers to buy and sell clean energy locally, facilitating connections among community members and local micro-grids powered by solar panels and other renewable resources. Power2Peer provides an accessible and affordable alternative for individuals who cannot invest in large-scale renewable installations, such as rooftop solar panels. The platform offers value to corporate clients and small businesses by allowing them to offset their carbon footprints with locally sourced clean energy, enhancing their sustainability efforts. The company has engaged over 150 investors through an equity crowdfunding campaign and is focused on further developing the P2PConnect marketplace.

Quartux designs build and operate energy storage systems with intelligent software.

Developer of a radioisotopic battery designed to power projects related to small satellites, asset tracking, and future-forward applications. The company's power management system offers beta-emitting radioisotope power sources in a singular design that provides uninterrupted power over long periods, enabling businesses to eliminate the need for lithium batteries in satellites and optimizing power and space for clients.

Green is a digital energy buying and managing platform.

Developer of an energy platform intended to read electricity usage and support energy conservation practices. The company's platform delivers billing-ready data to their billing systems using existing data exchange interfaces and standards, enabling consumers to get attractive incentives to change the habit of using electricity.

Developer of wind energy systems technology designed for large buildings. The company wind energy systems that do not move, are safe, work silently, and can be installed along the rim of the building facing the prevailing wind direction, enabling large building owners to utilize untapped wind energy for onsite power generation.

Blackburn Energy, Inc. specializes in renewable electric power solutions for the commercial trucking industry through its product, RelGen. This innovative technology captures kinetic energy from the driveshaft of long-haul trucks and converts it into electricity via a custom alternator. The generated power is stored in a battery array, enabling it to be used for various truck subsystems such as liftgates, electric auxiliary power units (APUs), and sensors for driver-assist and autonomous driving features. By reducing the reliance on engine idling, Blackburn Energy's solution not only lowers fuel and maintenance costs but also enhances operational efficiency and profitability for fleet operators. The technology has been validated by research from the University of Massachusetts Lowell, demonstrating significant fuel savings and substantial reductions in carbon emissions. Founded in 2008, Blackburn Energy is headquartered in Amesbury, Massachusetts.

Developer of a hidden-in-plain-sight (HIPS) wind energy system designed to survive environmental extremes and produce energy through critical conditions. The company's system features a stationary wind-concentrating enclosure to intercept the wind, create a vortex, and focus its energy in a chamber at the center of the enclosure which dynamically changes size and shape responding to ambient wind speed and direction, optimizing airflow and power production, enabling people in urban areas to avail efficient, attractively priced wind turbines to be mounted on homes and other structures to meet the growing demand for alternative power supplies.

Developer of a mobile platform intended to accelerate the penetration of solar energy. The company's platform helps with size, quote, purchasing a product, and finding customers and acts as an intermediary between equipment suppliers, integrators, and customers, enabling clients to disrupt the traditional supply of key equipment for photovoltaic solar systems.

SolarBox is a renewable energy technologies company that offers renewable energy technologies to people who lack access to electricity. The company is driven by its mission is to offer people who lack access to electricity a better life using renewable energy technologies. The company was founded in 2017 and headquartered in Boston, Massachusetts.

LGM technology is a and unique energy management system, which optimizes power generator. The technology can increase the efficiency of wind turbines and other power generators by 30%.

Brightmerge Ltd. develops and provides an enterprise SaaS platform for optimizing renewable energy microgrids. Its platform provides an AI-based suite of products to energy professionals for use in developing, designing, and operating renewable energy microgrids. The company serves microgrid developers, financial experts, and microgrid energy operators. Brightmerge Ltd. was founded in 2018 and is based in Tel Aviv-Yafo, Israel.

Yotta Energy Inc. is a manufacturer of innovative solar storage solutions based in Austin, Texas, established in 2016. The company specializes in the SolarLEAF, a modular energy storage device that integrates seamlessly with photovoltaic panels, designed to lower costs and enhance the development of energy storage and grid resiliency. The SolarLEAF features passive thermal regulation, providing efficiency and ease of installation compared to traditional centralized systems. Additionally, Yotta Energy offers SolarPLEXUS, a gateway that streamlines information flow within the storage system, allowing for automated management and optimization of individual SolarLEAF units. The company also provides a software platform that aggregates energy potential from various systems, aiding utilities in grid management and enabling system owners to optimize their energy usage and reduce costs. Yotta Energy serves a diverse clientele, including commercial businesses, remote sites, and emerging economies, focusing on enhancing energy solutions and sustainability.

EllieGrid Inc. specializes in medication management solutions, offering both hardware and software products to assist individuals and families in organizing their medications. The company has developed a Bluetooth-enabled pill box designed to help users stay on schedule with their medication routines. Complementing this, EllieGrid provides a mobile application that enables users to program the device, receive timely notifications for medication intake, and manage a comprehensive list of their medications. Additionally, the platform collects compliance data, which is accessible to caregivers and healthcare providers, facilitating timely interventions when necessary. Founded in 2015, EllieGrid is headquartered in Austin, Texas, and sells its products online.

OffGridBox is a company that delivers renewable energy and clean water solutions in remote and underserved regions. The OffGridBox™ is a compact, all-in-one system housed within a shipping container measuring 6x6x6 feet, designed to produce electricity and purify water using solar energy. This innovative technology aims to address the needs of over 2 billion people globally who lack access to reliable energy and safe drinking water. Each unit can significantly impact local communities; for example, a single unit operated by a women’s cooperative in Rwanda can serve up to 300 families, providing essential electricity and sterilized water. OffGridBox has deployed 38 units across nine countries, including Italy, South Africa, Rwanda, Nigeria, the Philippines, Madagascar, the United States, and Colombia, catering to various sectors such as humanitarian aid, household retail, and industry services. These units have collectively operated for over 400,000 hours, promoting sustainable living and improving the quality of life in the areas they serve.

Skypull is developing an altitude wind power system based on a fully autonomous drone that captures the energy from the strong, abundant and constant altitude winds through a ground-based generator. Skypull has proprietary, high-efficiency and resilient airframe that makes it more deployable and versatile than its competitors.

XOC offers a unique learning experience and it creates an energy awareness that will allow users to save energy in short and long term and at the same time contribute to the environment. XOC is designed for a new energy-based economy. Where buying and selling energy will be a fundamental activity in the near future, where smart cities will be incorporated to the Smart grid.

SolarChange leverages cutting edge disruptive technology, including blockchain and machine learning, to create an unparalleled reliable, comprehensive and potentially unlimited data platform for the renewable energy market. Utility companies, grid operators and users alike can obtain real time energy tracking while global trade markets can benefit from such accurate and real time data. Smart predictions, insights and forecasts will be taken to a new level with our proprietary technology.

The Energy Audit is a reference point and provides practical support for all professionals dealing with energy efficiency: energy managers, energy consultants, ESCOs, utility providers and government institutions.

Greeneum makes it easy for you to contribute to the future of green energy by focusing on elements that strengthen and secure your financial positions.

We provide moments of warmth for everyone, everywhere. We are the bridge that connects people to a more reliable and comfortable energy consumption experience. We created an IoT gas management platform, starting with propane that empowers people to have a better and fairest consumption experience. There are 3B people around the world who use propane as their main source of energy (cooking, hot showers and heating). The propane gas industry was worth 122B in 2015. Our go to market strategy is Mexico (the biggest propane consumer per capita in America), representing an 8B industry. There are 6 million stationary tanks within residential users and SMBs. Our device connects stationary propane tanks to the internet. Our platform connects the three main stakeholders; on one hand to the end user (Residential and SMB’s), later to the gas company and finally to the dispatchers. We have a device for the stationary tank, an application for the end user, a control dashboard for the SMB’s and a management dashboard for gas suppliers.

We provide moments of warmth for everyone, everywhere. We are the bridge that connects people to a more reliable and comfortable energy consumption experience. We created an IoT gas management platform, starting with propane that empowers people to have a better and fairest consumption experience. There are 3B people around the world who use propane as their main source of energy (cooking, hot showers and heating). The propane gas industry was worth 122B in 2015. Our go to market strategy is Mexico (the biggest propane consumer per capita in America), representing an 8B industry. There are 6 million stationary tanks within residential users and SMBs. Our device connects stationary propane tanks to the internet. Our platform connects the three main stakeholders; on one hand to the end user (Residential and SMB’s), later to the gas company and finally to the dispatchers. We have a device for the stationary tank, an application for the end user, a control dashboard for the SMB’s and a management dashboard for gas suppliers.

Ubuntu Power dedicated to improving the lives of millions of Sub-Saharan Africans living without access to electricity, Internet or water.

SunCity is disrupting irrigation practices by developing and building affordable solar energy solutions that help small farmers switch from diesel pumps.

Oorja aims to provide clean energy access to 450 million un/underelectrified people in rural Indian communities. They deploy smart micro-grids powered by biomass gasification and solar PV systems to generate, store and transmit reliable and affordable electricity to SMEs as anchor load and low-income households. They use a scaleable community-owned business model to leverage energy provision as a catalyst for socio-economic development to alleviate poverty, empower women and tackle climate change.

Surge Hydro is focused on ushering hydroelectric facilities into the twenty-first century. By implementing innovative and progressive technology they will provide their communities and their clients smart energy for generations to come. The vast majority of existing dams in the U.S.—more than 90 percent, or 80,000 dams—don’t produce electricity. They know that in order to secure their future these facilites will need to be brought online. They envision communities running on independent sustainable grid networks, operating with minimal transmission losses, and being responsible for their own power consumption and production. With this vision in mind, they know that hydropower will be vital in the growth of clean energy infastructure. They pledge to be on the forefront of clean technology and integral to the success of hydroelectric power production. They will be successful in developing hydroelectric facilities by integrating disruptive idea’s with efficient and safe operations. This allows Surge Hydro to efficently and intelligently reduce costs, providing their investors with steady and consistent returns. Simply, they endeavor to administer reliable, sustainable & renewable clean energy for an evolving world.

Red Girasol S.A.P.I de C.V. operates a crowdfunding platform in Monterrey, Mexico, designed to facilitate the acquisition of solar energy systems for residential users. Established in 2016, the platform connects homeowners seeking solar installations with investors willing to finance these projects in exchange for potential returns. Users begin by sharing information about their solar exposure, which allows the platform to generate customized quotes from various approved installers. Once a resident selects an installer and contributes a minimum of 10% of the total cost, a funding campaign is launched to gather the remaining amount. Upon reaching the funding goal, the installation proceeds, and users repay investors through monthly payments, typically at lower interest rates than those offered by traditional lenders. Red Girasol generates revenue by charging commissions to residents, investors, and solar system suppliers, thereby facilitating a mutually beneficial arrangement among all parties involved.

uLink enable developing world energy service providers to quickly develop and easily manage low-cost, modular microgrids in off-grid areas.

Empowerment Solar fosters energy independence and economic prosperity across the Middle East by supplying affordable and easy access to reliable and clean solar electricity. They design and install distributed solar electricity systems for Palestinian businesses in the West Bank, eventually expanding across the region. They save Palestinian firms (who pay 70% more than Americans for electricity) 1,000s of dollars annually and eliminate electricity-shortage constraints plaguing West Bank companies.

Renovagen has developed a patented transportable solar power system which enables PV arrays of up to 100kWp to be deployed from a 20ft ISO standard shipping container. It is a solar power system called "RAPID ROLL" - a complete "micro-grid in a box" solution which includes a solar field that can be unrolled "like a carpet" in 2 minutes. Compared with existing solutions, it produces 10 times more power and can be deployed much more quickly. Ideal for military, disaster relief and remote industrial operations such as mining, the Renovagen system addresses the need for high power, transportable renewable energy systems which can eliminate the high costs of delivering fuel and maintaining diesel gensets in remote locations.

Open Energy Market is a technology-driven company that provides an online trading platform focused on energy buying and management for medium to large enterprises in the United Kingdom. Founded in 2012 and headquartered in Guildford, Surrey, the company aims to simplify the procurement process by automating the management of energy contracts. Its platform captures and stores data, displaying prices offered by various suppliers, which enables clients to enhance reporting, forecasting, and portfolio management. By offering greater control and insight into the energy market, Open Energy Market helps businesses develop effective and sustainable energy strategies in a rapidly evolving industry.

Blackburn Energy, Inc. specializes in renewable electric power solutions for the commercial trucking industry through its product, RelGen. This innovative technology captures kinetic energy from the driveshaft of long-haul trucks and converts it into electricity via a custom alternator. The generated power is stored in a battery array, enabling it to be used for various truck subsystems such as liftgates, electric auxiliary power units (APUs), and sensors for driver-assist and autonomous driving features. By reducing the reliance on engine idling, Blackburn Energy's solution not only lowers fuel and maintenance costs but also enhances operational efficiency and profitability for fleet operators. The technology has been validated by research from the University of Massachusetts Lowell, demonstrating significant fuel savings and substantial reductions in carbon emissions. Founded in 2008, Blackburn Energy is headquartered in Amesbury, Massachusetts.

Colibrí accelerates the transition to renewable energy and increases the purchasing power of Nicaraguan families. Hummingbird is catalyzing the transition to clean energy and unlocking the purchasing power of Nicaraguan households.

Agira’s business model helps solar panel manufacturers become profitable by reducing panel cost and increasing manufacturing capacity by using optics technology. Active solar cells constitute 60% of a solar panel’s cost and are its most capital, energy, and time intensive component. Agira’s optics enable manufacturers to produce solar panels using only a fraction of the solar cells currently required.

Energy Intelligence, Inc. is a company based in Buffalo, New York, focused on developing innovative technology that harnesses clean energy from the motion of vehicles in high-traffic areas. Founded in 2014, it has created a patented road-mounted energy generation system that captures waste energy from braking vehicles to produce affordable electricity on-site. This technology is designed for various applications, including parking facilities, transportation depots, highways, and airports, where vehicles naturally slow down. By utilizing embedded hydraulic channels in its compact system, Energy Intelligence generates electricity that can power local equipment, offering cost efficiency with projected levelized costs of 7 cents per kWh and a payback period of 2 to 3 years for initial capital investments. The company's approach addresses a significant opportunity for clean energy generation in urban settings, contributing to sustainability efforts while reducing electricity expenses for commercial sites.

Raja Systems specializes in electrification services for off-grid or poorly grid-connected locations, utilizing advanced software to optimize power system operations. The company focuses on hybrid power systems that typically combine diesel generators, solar photovoltaic (PV) panels, and battery storage. By forecasting solar production and electricity consumption, Raja Systems enables users to make informed decisions about resource utilization. This approach not only enhances the coordination of diverse energy sources but also significantly reduces diesel consumption, cutting overall electricity generation costs by up to 50%. Their services cater to various industries, including architecture, hospitality, agriculture, property development, and telecommunications, helping clients lower operational expenses and reduce capital costs effectively.

Solar Tri-Gen is dedicated to the idea that innovative, affordable, renewable energy is the only solution to the growing tension between the aspirations of the developing world and concern over global climate change. They transfer technology and build capacity through partnerships that manufacture, own and operate novel distributed energy infrastructure based on micro-CSP, and provide an affordable micro-utility service and trigeneration to health clinics and schools in remote areas.

Black Island Wind Turbines specializes in manufacturing high-performance wind turbines designed to operate in challenging environments. Their HRX-series, particularly the HR3 model, is engineered for reliability and efficiency, having proven its durability in extreme conditions, such as those found in Antarctica with winds exceeding 200 mph. These wind turbines cater to clients seeking robust and dependable solutions for harnessing wind energy, making them suitable for critical applications and demanding operational requirements. By focusing on high-reliability options, Black Island Wind Turbines aims to meet the needs of customers who require performance in tough terrains while contributing to sustainable energy production.

Invisergy has developed a transparent, electricity generating window. In a 20 story commercial building, energy generation of 100 kW is possible, providing for 5-10% of a building’s load requirement. Invisergy’s window is an extremely low cost per watt solution that maintains the aesthetic appeal necessary to penetrate new construction in the Building Integrated Photovoltaic market. Invisergy's proprietary technology will add value for window manufacturers through strategic partnerships. Invisergy has developed a cost-effective, transparent solar energy generating window that will revolutionize building sustainability.

Dynamo Micropower Corporation specializes in developing fuel-flexible gas turbines designed for small distributed generation applications in the oil and gas industry. The company's notable products include PowerCore, which provides continuous power for oilfield operations, and Infernocore, a flameless turboheater. Dynamo's innovative turbine-based solutions offer grid-like power quality while significantly reducing energy costs, with the capability to operate on local unrefined gas, achieving savings of up to 80%. The company also delivers custom power solutions tailored to the specific needs of its clients, facilitating plug-and-play installation on flare gas. Dynamo has established a network of distributors and service partners to support its offerings. Founded in 2011 and based in Somerville, Massachusetts, Dynamo has successfully deployed multiple turbines for prominent customers in the industry.

Netgen is innovative Software to design all types of engineering network systems for industrial, commercial and residential construction. NETGEN is a solution to design reliable and energy-efficient network objects with automatic account of multiple restrictions, minimal capital costs and in the shortest possible time (the capital costs are saving up to 35%, and the design time is reduced up to 90%). At the moment network installation projects are designed mostly in manual mode using existing CAD systems, and the network project entirely depends on experience and professional intuition of the designer/engineer. In circumstances of increasing complexity of internal structures of buildings and constantly growing the cost of time, the cost of human mistake becomes too high.

STG International provides small-scale low cost solar thermal power plant for electrifying clinics and schools in developing countries. In the world's poor rural areas schools and health clinics struggle to provide adequate service without electricity or hot water. Electrification of these institutions proceeds slowly with expensive grid extension, photovoltaic (PV) panels or diesel generators. STG has developed a better solution: a miniaturized solar thermal power plant using low cost solar collectors and a novel ORC engine that can provide clean electricity and hot water at a fraction of the cost of competing systems.

Electric Pipeline Corporation has invented and is developing polymer insulated electric pipelines "elpipes" for transmission of 3-30 GW through a pair of underground HVDC lines. Elpipes fit inside a pipeline that is similar to a gas pipeline, or they may be installed at the surface on conventional or narrow gauge railroad tracks. The train like features of elpipes make them convenient to install and convenient to repair.

Altaeros Energies, Inc. specializes in the development and supply of airborne wind turbines that harness high-altitude winds for renewable energy generation. Founded in 2010 and located in Somerville, Massachusetts, the company’s innovative technology integrates aerospace engineering with wind turbine design to deliver a buoyant turbine solution. This technology aims to provide low-cost, abundant energy to various sectors, including rural and isolated communities, telecommunication, agriculture, and emergency response. Altaeros’ airborne turbines are designed for mobility and rapid deployment, making them suitable for remote, military, and offshore applications. The company has garnered funding from multiple organizations, including the U.S. Department of Agriculture and the National Science Foundation, and has received accolades such as the 2011 ConocoPhillips Energy Prize.

7Solar Technologies converts sunlight into heating AND cooling for buildings in a single, integrated solution. Their system integrates proprietary PV/Thermal collectors, solar air-conditioning, and software that proactively minimizes energy costs. The net result is a system that produces 4 times more energy per m2 of surface area than standard PV and they offset the entire heating and cooling load of a building. The ROI on their system is less than 3 years and less than 5 years without government incentives.

Altaeros Energies, Inc. specializes in the development and supply of airborne wind turbines that harness high-altitude winds for renewable energy generation. Founded in 2010 and located in Somerville, Massachusetts, the company’s innovative technology integrates aerospace engineering with wind turbine design to deliver a buoyant turbine solution. This technology aims to provide low-cost, abundant energy to various sectors, including rural and isolated communities, telecommunication, agriculture, and emergency response. Altaeros’ airborne turbines are designed for mobility and rapid deployment, making them suitable for remote, military, and offshore applications. The company has garnered funding from multiple organizations, including the U.S. Department of Agriculture and the National Science Foundation, and has received accolades such as the 2011 ConocoPhillips Energy Prize.

SolSolutions mission is to simultaneously generate clean electricity and improve the quality of education in underprivileged schools.They adapt the proven, for-profit, solar Power Purchase Agreement model to make SolSolution a high-impact social enterprise. Instead of distributing profit to shareholders, they reinvest it into school budgets. They are planning a Dorchester, MA pilot installation.Their vision is to install 1GW of capacity by 2020 and shift >$800M to educational budgets by 2040.

Rate It Green is a directory and network for the green building industry. Rate It Green helps individuals and companies find green building products and services, while also helping product manufacturers and service providers build their reputations and reach new clients. Rate It Green welcomes all green builders and green building companies, and for both residential and commercial projects. Individual Membership and Basic Company Listings are free of charge.

Enertaq provides a software service that integrates with existing Building Management Systems. They make slight adjustments in the timing of power consumption in buildings to promote electricity grid reliability, reduce carbon emissions and earn new revenue for building owners.

Solar Engineering Solution (SES) offers breakthrough solar thermal technologies to deliver clean and cost-efficient cooling and heating solutions for commercial buildings. Heating, cooling, and hot water account for more than 40% of total energy use in buildings (over $170 B/yr), and represents 10% of US CO2 emission. Our solar thermal collector, smart control and other innovations, enable building owners to achieve payback within 3-5 years by a typical 85% reduction in energy operating costs.

Emergent Energy (Pty) Ltd. specializes in providing renewable energy solutions, including both grid-tied and off-grid systems, sustainable building design, and energy efficiency consulting. Founded in 2010 and based in Cape Town, South Africa, the company caters to a diverse clientele across various sectors, such as information and communication technology, agriculture, hospitality, education, and government. Its offerings include tailored solar photovoltaic systems, wind and hydro solutions, and Energy Heat Pump installations, all designed to meet the unique challenges of different environments. Emergent Energy also supports clients with comprehensive technical guidance and monitoring solutions to track system performance and ensure efficient operation and maintenance. With a commitment to enhancing the sustainability of South Africa’s energy sector, the company draws on extensive local and international expertise to deliver innovative solutions that promote cleaner and more reliable energy systems.