# SPAN: Electrical/electronic manufacturing, San Francisco, United States

> SPAN: SPAN is a San Francisco-based technology startup founded in 2018 that specializes in smart electrical panels for home energy management.

Source: https://millionrounds.com/startup/span-4 (Millionrounds; every figure on the page links to its filing or article)

United States · [Electrical/electronic manufacturing startup](https://millionrounds.com/companies)

# SPAN

SPAN is a San Francisco-based technology startup founded in 2018 that specializes in smart electrical panels for home energy management.

Funding reported Last round: Series B

Electrical/electronic manufacturing San Francisco, United States

Company summary

- **Founded:** 2018 8 years old
- **Team:** 350 201 to 1,000 people
- **Funding reported:** $230M in dollars
- **Last round:** Series B Mar 2023

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for SPAN has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About SPAN

SPAN is a San Francisco-based technology startup founded in 2018 that specializes in smart electrical panels for home energy management.

The company aims to accelerate the adoption of clean energy by making home energy systems connected and intuitive. SPAN is privately held and operates in the Renewable Energy Equipment Manufacturing and Energy Storage sectors, employing between 201 and 500 people. The primary product, the SPAN Panel, replaces traditional electrical panels and serves as the central hub for managing home energy. It provides detailed energy usage data, real-time circuit-level monitoring through the SPAN Home App, and integrates with electric vehicle chargers for optimized charging. The panel also features AI-powered energy automation and can extend battery life by prioritizing essential circuits during outages. SPAN offers energy cost-saving solutions and an Authorized Installer Program to support product deployment, primarily targeting homeowners in the U.S., especially those with electric vehicles and home battery systems.

## What company datasets say SPAN raised

Funding, as reported

Reported in all **$230M** in dollars

Rounds **7**

Last round **Series B**

Last round size **$163M**

Last round date **Mar 2023**

Investors listed **23**

## On 11 portfolio pages

Investors who name them

- [Ulu Ventures](https://millionrounds.com/fund/ulu-ventures)
- [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund)
- [Energy Foundry](https://millionrounds.com/fund/energy-foundry)
- [Wireframe Ventures](https://millionrounds.com/fund/wireframe-ventures)
- [HCVC](https://millionrounds.com/fund/hcvc)
- [Earth Foundry](https://millionrounds.com/fund/earth-foundry)
- [Berkeley Gateway Accelerator](https://millionrounds.com/fund/berkeley-gateway-accelerator)
- [Helium-3 Ventures](https://millionrounds.com/fund/helium-3-ventures)
- [Nollen Group](https://millionrounds.com/fund/nollen-group)
- [The Hardware Club](https://millionrounds.com/fund/hardware-club-3)
- [Valiance Asset Management](https://millionrounds.com/fund/valiance-asset-man)

Each firm lists SPAN on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

## The company, in detail

What they build

Known for

hardware ul 1741 pcs certification clean energy & technology consumers home automation integration distribution home renovation construction & real estate demand response signals home energy resilience demand response aggregator internet of things energy data visualization grid load balancing solar integration energy management system

Built with from their website

GitHub Actions Jama Connect for Requirements Management accessiBe IoT Docker Google Tag Manager Faiss Boomi Amazon CloudFront Tableau

+8 more

AWS Trusted Advisor Respond Atlassian React Native Microsoft PowerPoint Google Ads VisitorTrack Predictive Marketing Flow

- **Sector:** Electrical/electronic manufacturing
- **Industry code:** NAICS 335313, 541512, SIC 3631
- **Region:** California
- **Revenue:** $103M a year, as listed
- **Full record:** [Every detail in the company directory](https://millionrounds.com/directory/span)

## Electrical/electronic manufacturing in United States

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- [**ModRetro** Carlsbad · founded 2024 *Raised*](https://millionrounds.com/company/modretro)
- [**Mojo Vision** Cupertino · founded 2015 *Raised*](https://millionrounds.com/company/mojo-vision)
- [**Formlabs** Somerville · founded 2011 *Raised*](https://millionrounds.com/company/formlabs)
- [**Level Home** Redwood City · founded 2016 *Raised*](https://millionrounds.com/company/level-home)
- [**DG Matrix** Morrisville · founded 2022 *Raised*](https://millionrounds.com/company/dg-matrix)
- [**Liquid Instruments** San Diego · founded 2014 *Raised*](https://millionrounds.com/company/liquid-instruments)
- [**Monarch Quantum** San Diego · founded 2025 *Raised*](https://millionrounds.com/company/monarch-quantum)

## Is this your company?

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