Business

HillStar

Website
Founded 2026Origin source ↗Checked 2026-11-02

Overview

Agents to help utilities make better buying decisions.

Company description As recorded 2026-11-08

Customers & use cases

Hillstar helps utilities and energy companies significantly reduce the time needed to procure billions from a multi year process down to less than 30 days.

Source-reported As recorded 2026-11-01

Founders & team

Nooshin Behroyan

Founder/CEO

Founder at HillStar. Previously founded and scaled Paxon Energy from zero to a nationally recognized energy-infrastructure services company serving major U.S. utilities across methane recapture, wildfire mitigation, and oil & gas pipeline integrity management solutions—successfully exited in 2025.

Founder profile As recorded 2026-11-02

Kenny Stone

Founder/CTO

Cofounder, CTO at HillStar. Previously, I cofounded PlanGrid (YC W12 – acquired by Autodesk), where we introduced mobile technology and machine learning to the construction industry. Computer Engineering from Purdue.

Founder profile As recorded 2026-11-02
2team members reported
Source-reported As recorded 2026-11-02

Founded 2026 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 2 of 6 areas documented

Source-based assessment · automated evidence rules

The retained text does not establish product availability or customer use.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

  • Product overviewSource description Checked 2026-11-11
  • Product visualsNot documented
  • Founders & originsTeam information
  • Business model & pricingNot documented
  • Funding & ownershipNot documented
  • Dated milestonesNot documented
Stage definitions
independent websitesource corroborationreachable websitedescriptive evidencesourced peoplesourced founding yearrecent publishing observed