Mark1 is a Developer-as-a-Service for capital intensive, first of a kind industrial climate technologies. We work with technology companies to maximize the opportunity for deploying their first commercial-scale projects. Mark1 helps climate tech innovators develop a faster and less expensive path to bankability. With an experienced in-house team, we co-pilot the process alongside project-specific needs of each participating company, to achieve the project’s development milestones. We support technical and commercial project development and capital strategies.

We provide capital, expertise, and connections to nurture startups specializing in advanced energy systems, industry efficiency technologies, and sustainable solutions. Our particular emphasis is on closed-loop lithium systems, next-gen battery development and supply chain innovations, leveraging Nevada’s unique position in the global energy market. The accelerator aims to develop these innovative startups into thriving enterprises that deliver both economic growth and positive environmental impact.

Cleantech Open is the world’s largest cleantech accelerator, providing entrepreneurs and corporate innovators the resources they need to launch and grow successful cleantech businesses. Our one-of-a-kind innovation ecosystem built over the last 19 years of programming spans key cleantech innovation hubs in the U.S., linking labs and universities, service providers, investors, corporations, governments, and other cleantech incubators and accelerators. Through our annual accelerator, we provide between 100-150 companies in the U.S. with a rich program of customer discovery, extensive mentoring, training, investor meetings, startup-corporate matching, and showcasing at both the regional and national levels. Since 2005, more than 70% of our reporting U.S. alumni companies are still operating and have collectively raised over $2B in external funding. Join this exciting community and be a part of our global network of innovation.

GUIDE-H2 aims to address a key challenge facing many commercial-scale hydrogen projects: delays or cancellations due to the lack of tools, training, and local support in assessing and optimizing deployments for maximum positive impact. Consistent, universally understandable indicators that can help guide deployments and accelerate progress while enabling long term sustainability can provide significant value.

Be part of the Energy Tech 2025 Conference at the SPARK VIRGINIA Pitch Competition, where Virginia’s most innovative minds in utility, energy, and climate technology compete for $10,000 in prizes ($7,500 grand prize winner; $2,500 runner up)! Taking place on March 6, 2025, at the Science Museum of Virginia during Energy Tech 2025 in Richmond, this exciting event will showcase groundbreaking technologies poised to transform Virginia’s energy economy. Eight startups will pitch their cutting-edge solutions to a panel of Virginia’s top investors, utility executives, and energy leaders. With only five minutes to present and five minutes for Q&A, these entrepreneurs will compete for funding, recognition, and the opportunity to accelerate their journey to commercialization.

The program will bring together entrepreneurs from across the U.S. and the globe, empowering them to address climate mitigation, adaptation, and resilience. Founders will receive expert training, critical resources to accelerate their ventures, and an 8-week in-person residency at Halcyon in Washington, DC. The cohort is selected of up to 8 ventures from across the U.S. and the globe. Ventures receive training in Halcyon’s methodology on product-market fit, investment readiness, and leadership.

This program brings together founders from across the U.S., empowering them to address climate challenges, health barriers, and equity gaps. Founders gain expert training, critical resources to accelerate their ventures, a one-week in-person residency in Washington, DC, and a one-week in-person residency in Atlanta. The cohort is selected of up to 10 ventures from across the U.S. Ventures receive training in Halcyon’s methodology on product-market fit, investment readiness, and leadership.

The Rice Alliance, the Houston Energy Transition Initiative (HETI) and TEX-E are partnering for the annual Energy Venture Day and Pitch Competition at CERAWeek, set to take place in the Innovation Agora in the George R. Brown Convention Center on March 12, 2025 with a special Pitch Preview event (free to attend) on March 11 at the Ion Houston. The Energy Venture Day and Pitch Competition features pitches from more than 40 energy ventures driving efficiency and advancements toward the energy transition. The fast-paced competition is designed to connect energy startups with venture capitalists, corporate innovation groups, industry leaders, academics, and service providers.

Smart Futures Lab offers an invaluable opportunity for growth in the tech space through a free incubator and accelerator program. Open to new majority tech founders, professionals, and students, looking to develop and scale their smart city innovation solutions. The Incubator Program caters to tech startups in the early stages of development, whether they are ideating, designing, or testing their products. The Accelerator Program is for mature companies looking to scale, build government partnerships, refine their business model, and find funding investors.

Launch your electrifying journey into the future of innovation! Join the world’s largest multi-sector commercialization program for emerging deep technologies. Pitch your groundbreaking innovations and connect with top-tier corporate, investment, military and federal leaders for partnering, licensing and investment opportunities. Whether you’re a startup, university TTO, federal lab, or federal awardee, seize the moment. Submit your commercially viable innovation now and connect with the largest gathering of tech-scouts and funding offices worldwide.

The E-Team Program, part of the VentureWell Accelerator, supports student ventures as you embark down the path you’re likely to take as an innovator and entrepreneur. We help you advance your invention through a powerful mix of up to $25,000 in grant funding, entrepreneurship training, mentorship by dedicated staff, national recognition, and networking with peers and industry experts.

Participants travel to NREL’s main campus in Golden, Colorado, for four multiday sessions held June–September. The Energy Execs program provides an in-depth look at solar and wind power, bioenergy, hydrogen and transportation, energy-efficient building technologies, and energy systems integration. Just as energy technology has advanced over the years, the program has continually evolved to incorporate the latest innovations and breakthroughs. Participants will gain access to:

• Briefings by world-renowned researchers and engineers
• Tours of state-of-the-art research laboratories
• Visits to renewable energy installations.