Built Robotics

Built Robotics

Autonomous piling robot for solar construction

Overview

Built Robotics makes autonomous construction robots for the solar industry. Its main product is an autonomous piling system that trenches and installs foundations to depths over 60 inches, running with minimal human supervision on dangerous sites. The robot uses sensors and software to adapt to different soils, from loose, dry materials to cohesive, poorly draining ones. It is sold or leased to solar contractors, with optional maintenance, software updates, and training to support turnkey robotic operations and safety.

About Built Robotics

Simplify's Rating
Why Built Robotics is rated
C-
Rated C on Competitive Edge
Rated C on Growth Potential
Rated D+ on Differentiation

Industries

Robotics & Automation

Hardware

Industrial & Manufacturing

Energy

Company Size

11-50

Company Stage

Series C

Total Funding

$112M

Headquarters

San Francisco, California

Founded

2016

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Simplify's Take

What believers are saying

  • 950 million solar panel 2030 target creates massive addressable market for piling automation.
  • $1.63 billion construction robotics investment signals strong sector tailwinds and capital availability.
  • Black & Veatch partnership and 30,000+ safe operating hours establish enterprise credibility.

What critics are saying

  • China's April 2026 rare earth magnet export ban halts 80% RPD 35 production immediately.
  • Boston Dynamics Spot and Fastbrick Hadrian X directly compete in autonomous solar construction.
  • Roin Technologies integration delays since 2023 suggest execution challenges scaling product portfolio.

What makes Built Robotics unique

  • RPD 35 achieves 300 piles/day versus 100 manual, directly enabling 2030 solar panel targets.
  • Retrofit model upgrades existing equipment, lowering adoption barriers versus purpose-built competitors.
  • Roin Technologies acquisition enables end-to-end excavation-to-concrete automation across solar projects.

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Funding

Total Funding

$112M

Above

Industry Average

Funded Over

3 Rounds

Notable Investors:
Series C funding is usually for startups that are doing well and are looking for more money to fuel major growth, such as acquiring other companies, expanding into global markets, or launching new product lines. Investors typically include larger venture capital firms and private equity.
Series C Funding Comparison
Above Average

Industry standards

$50M
$50M
Medium
$62M
SeatGeek
$64M
Built Robotics
$100M
Oura

Benefits

Medical, vision, & dental plans

Competitive compensation

401(k) with matching

Paid holidays & PTO

Wellness reimbursement

Lunch & snacks

Tsa precheck

Growth & Insights and Company News

Headcount

6 month growth

-2%

1 year growth

2%

2 year growth

2%
The Spy Who Billed Me
Jan 4th, 2024
Introducing Mobile ALOHA: Revolutionizing Robotics with Low-Cost Whole-Body Teleoperation

Built Robotics introduced the RPD 35 solar piling robot, and the industry received a significant influx of $1.63 billion in investment.

The Birmingham Group
Oct 31st, 2023
5 Game-Changing Robot Advancements in Construction

Built Robotics' RPD35 Pile Driver: Venturing into utility-scale solar projects demands efficient solutions for driving large piles.

The Birmingham Group
Oct 31st, 2023
5 Game-Changing Robot Advancements in Construction

Built Robotics' RPD35 Pile Driver: Venturing into utility-scale solar projects demands efficient solutions for driving large piles.

Big Think
May 13th, 2023
Massive robot is 3-5 times faster than human construction crew

California-based startup Built Robotics has unveiled a huge autonomous construction robot that speeds up the creation of utility-scale solar farms — accelerating the transition to a clean energy future and making workers safer, too.

The Robot Report
Apr 3rd, 2023
Top 10 Robotic Stories Of March 2023

Listen to this articleBetween all of the exciting robotics announcements that came out of ProMat, big acquisitions and other industry developments, there was no shortage of robotics news in February 2023. Here are the top 10 most popular stories on The Robot Report in March 2023. Subscribe to The Robot Report Newsletter or listen to The Robot Report Podcast to stay updated on the robotics stories you need to know about. 10. Advanced Construction Robotics launches rebar installing robot

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