Span is a rising smart panel company developing products to enable rapid adoption of renewable energy and deliver an intuitive interface for the home.

Span is advancing the future of distributed clean energy with a smart panel that delivers an intuitive interface to the home.

Span was founded in 2018 by Arch Rao. The company is headquartered in San Francisco, California.


Span has created SPAN smart electrical panel and SPAN Drive smart EV charger. The SPAN smart electric panel provides advanced levels of monitoring and intelligence that make electrifying and decarbonizing easier than ever.


SPAN's products are purpose-built for functionality and durability. the SPAN Panel, Meter Panel, and SPAN Drive electric vehicle charger all allow for elegant, efficient and integrated solutions for any home.


SPAN's panels now operating in over 36 states and in Puerto Rico, SPAN is set to become a market leader in home electrification.


SPAN is backed by Fifth Wall Climate Tech, Wellington Management, ArcTern Ventures, Capricorn Investment Group, Congruent Ventures, Energy Foundry, Angeleno Group, FootPrint Coalition, Hardware Club, Incite Ventures, and others. The company raised $90M in Series B round on Mar 22, 2022. This brings SPAN's total funding to $133.8M to date.



  • Year founded: 2018
  • Funding Info: $133.8M over 4 Rounds (Latest Funding Type: Series B)
  • Yearly Revenue: NA
  • Employee Size: 51-200
  • Business Valuation: NA
  • City/Town: San Francisco
  • State: California
  • Country: United States
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