Gritt raises $32M for AI robots to build solar farms faster
San Francisco startup secures Series A funding of $26M
Gritt, a San Francisco-based startup, has exited stealth with over $32 million in combined pre-seed and Series A funding. The Series A round was led by Obvious Ventures, with Union Square Ventures and Active Impact Investments also participating.
AI robots for construction sites
The startup is developing AI-powered robotic systems designed to attach to existing construction equipment and install solar panels up to four times faster than manual crews. While the machines do not replace construction equipment, they use robotic arms mounted on standard skid steers and forklifts to precisely place solar panels.
Key Takeaways:
- Substantial Throughput Gains: A typical eight-person crew installs around 800 panels per day; with Gritt’s system, the same crew can install 3,000 to 4,000 panels daily.
- High Placement Success Rate: The company claims its robots have placed tens of thousands of panels without any breakages.
- Contracted Solar Installation: Gritt has contracts to install nearly 3 gigawatts of solar capacity over the next 18 months, partnering with top US power construction companies.
- Demographic Challenge in Construction: More than 41% of the US construction workforce is expected to retire by 2031, creating a need for robotics solutions.
- Competitive Landscape: Gritt joins a growing field of startups focusing on construction robotics, including Luminous.
Founding and Technology
Gritt was founded by Puneet Puri and Vishal Dugar, both graduates of Carnegie Mellon’s robotics program. The system learns from each deployment, reducing training time for new tasks from weeks to days. Gritt plans to expand its capabilities beyond panel placement, targeting drilling posts, rebar tying, and assembly of mounting racks.