Clean Tech Startups to Watch in 2025

The clean tech revolution is more than solar panels and wind turbines — it’s smart systems, bold startups, and powerful innovations reshaping how we interact with energy, water, waste, and the planet. These startups aren’t just buzzwords — they’re building real solutions for the climate crisis, and many are flying under the radar.

⚡ 1. Grid & Energy Storage Tech

Energy reliability is everything—especially for critical infrastructure, manufacturing, and cities under climate stress.

• Form Energy (USA)
  Ultra-long duration iron-air batteries.
  Enables multi-day energy storage for renewable-heavy grids and industrial backup power.

• Ambri (USA)
  Liquid metal batteries for large-scale storage.
  Designed for long life, low maintenance, and scalable power infrastructure.

• Octopus Energy (UK)
  AI-powered grid balancing and smart pricing.
  A utility disruptor making energy consumption more efficient at the user and grid levels.

♻️ 2. Circular Economy & Industrial Materials

For manufacturers and city services aiming to cut waste and embrace sustainability without sacrificing performance.

• ByFusion (USA)
  Turns non-recyclable plastic into building blocks.
  Zero sorting required. Ideal for public works, temporary structures, and urban reuse.

• Zume (USA)
  Automated systems for producing compostable packaging.
  Aimed at replacing single-use plastics across supply chains.

• Pachama (USA)
  Satellite-powered forest offset verification.
  Supports carbon-neutral strategies and offsets for companies with ESG commitments.

💧 3. Water Innovation & Waste Solutions

Water is infrastructure—and startups are making it smarter, cleaner, and more circular.

• Epic Cleantec (USA)
  On-site wastewater recycling for buildings.
  Already used in high-rises; ideal for drought-prone or high-density urban areas.

• Gradiant (USA/Singapore)
  AI-optimized water treatment for industry.
  Used by semiconductor, pharma, and food clients worldwide for water reuse and efficiency.

• Oneka Technologies (Canada)
  Wave-powered desalination for coastal resilience.
  Oneka’s off-grid buoys convert ocean wave energy into clean drinking water—no external power, no emissions. A game-changer for coastal communities, islands, and cities planning for drought resilience and decentralized water access.

🌬️ 4. Carbon Capture & Climate Tech

For facilities and municipalities looking to meet net-zero goals or reduce Scope 1/2/3 emissions.

• Climeworks (Switzerland)
  Direct air capture and storage.
  Leading the space with commercial-scale carbon removal projects in Iceland.

• CarbonCure (Canada)
  Injects captured CO₂ into concrete.
  Reduces embodied carbon and strengthens material—used by builders and public works projects.

• Heirloom Carbon (USA)
  Mineral-based carbon capture.
  Uses naturally abundant materials to sequester CO₂ from the air. Low energy input, high potential scale.

🌞 5. Renewable Energy Tools

Solutions that extend solar and renewable energy to sectors that traditionally haven’t had access.

• Heliogen (USA)
  AI-powered concentrated solar energy.
  Generates ultra-high heat—usable in cement, steel, and other heavy industries.

• SunDrive (Australia)
  Low-cost, high-efficiency solar cells.
  Replaces silver with copper—more sustainable and more scalable.

• Perovskia Solar (Switzerland)
  Custom, printable solar materials.
  Can be integrated into facades, windows, and curved surfaces for urban or industrial use.

💼 Why It Matters for You

• For Industrial Companies: These startups bring cost-effective sustainability to the plant floor, the power system, and your product lifecycle.

• For City Planners: Think resilient infrastructure, low-carbon materials, water reuse, and scalable energy.

• For Innovators: These aren’t moonshots. They’re pilot-ready, commercially viable, and poised to scale.

As climate deadlines loom and sustainability becomes a business imperative, clean tech startups are offering not just hope — but tools. Whether you're an investor, policymaker, facility manager, or just a curious mind, these companies are worth watching as they scale, pivot, and shape the greener future we need.

At Latitudes Environmental, We Bridge Innovation and Implementation

Clean tech is the future—but turning potential into progress requires strategy, compliance, and expert execution. At Latitudes Environmental, we support industrial companies, municipalities, and developers with the insight, permitting expertise, and environmental planning needed to bring bold ideas to life.

Whether you're exploring new infrastructure, integrating green technologies, or navigating regulatory requirements, we’re here to help you lead with confidence—and stay compliant every step of the way.

👉 Ready to put clean tech into action? Let's talk.