United States1 robot tracked

Built Robotics

Built Robotics makes RPD 35 and Exosystem, which is at stage 4 of 5: paying customers.

Website: builtrobotics.com
Based in: United States
Latest milestone: Sept 2025

01Robots

What Built Robotics makes

Each robot's stage is worked out from its dated, sourced milestones by the same published rules, whoever the maker is.

RPD 35 and ExosystemConstruction · Self-driving construction machinesStage 4 of 5 · Paying customersBuilt Robotics adds sensors and software to ordinary excavators so they can work on their own. Its main product now, the RPD 35, drives the steel posts that hold up solar panels on large solar farms.Used on US solar farm projects; solar builder Blattner agreed to use dozens of the robots.The full record

02Track record

Every dated event

Sept 2025Milestone
Solar construction company Blattner agreed to use dozens of Built Robotics' machines on US solar projects over three years, for pile driving, surveying, drilling and trenching.
Sumitomo Corporation of Americas, VISIONS magazine, Sept 2025Company-reported
27 April 2023Milestone
Built Robotics launched the RPD 35, a self-driving machine that drives solar-panel posts into the ground. The company said it could install about 300 posts a day with two workers.
pv magazine USA, 27 Apr 2023Company-reported
April 2022Milestone
Built Robotics raised $64 million, bringing its total to $112 million. Most of its users were renewable-energy companies.
The Washington Post, 30 Jan 2023Company-reported
19 Sept 2019Milestone
Built Robotics raised $33 million, bringing its total to $48 million. Its machines were working on clean-energy projects in Colorado, Kansas, Missouri and elsewhere.
VentureBeat, 19 Sept 2019Company-reported
20 Oct 2017Milestone
Built Robotics showed its system for turning existing excavators into self-driving machines, and raised $15 million.
The Robot Report, 20 Oct 2017Company-reported

03Money

How it's funded

Latest funding round we could confirm: Built Robotics raised $64 million in April 2022, bringing its total to $112 million. The Washington Post, 30 Jan 2023

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