Best Smart Grid Companies in California, United States
The 173 best Smart Grid companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: GRIDiant Corporation.
Ranked: Best Smart Grid companies in California
| # | Company | Disclosed funding | Last round | Employees | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | GRIDiant Corporation A Utility analytics company | $1.0B | 146 mo ago | 974 | 2000 | WordPressMySQLPHP+26 | — | — |
| 2 | Stem Provider of AI and cloud-driven energy solutions | $229M | 94 mo ago | 195 195 → 435 (+123%) · sector median +56% | 2009 | WordPressMySQLPHP+30 | — | 1 launch · 4 awards |
| 3 | Smart Wires Provider of technology to enhance electric grid capacity and flexibility 72Funding top 19%Patents top 21%Innovation top 25%Moat top 26% All 9 signals ▾Fundingtop 19% Patentstop 21% Innovationtop 25% Moattop 26% Growthtop 35% Techtop 41% Marketbottom 49% Globalbottom 38% Newsbottom 19% Funding: Raised $215M across 12 rounds · 12 rounds over 14 yrs (0.9/yr) Patents: 232 patents matched (strict assignee match) · 104 filings since 2022 vs 123 in 2017-21 rank vs industry peers · Fliar Intelligence Index 72/100 | $215M | 16 mo ago | 155 | 2010 | WordPressMySQLPHP+36 | 232 patents High‑voltage transmission line FACTS devices for dynamic impedance injection and power flow control | — |
| 4 | Autogrid IoT enabled distributed energy resource management solutions provider 64Growth top 13%Product top 26%Funding top 31%Fin. health top 33% All 11 signals ▾Growthtop 13% Producttop 26% Fundingtop 31% Fin. healthtop 33% Moattop 37% Markettop 43% Innovationbottom 43% Globalbottom 39% Techbottom 38% Patentsbottom 38% Newsbottom 27% Growth: Revenue +122% YoY · Fresh capital in last 24 mo Product: 10 distinct product lines · Company stage: Acquired rank vs industry peers · Fliar Intelligence Index 64/100 | $160M | 14 mo ago | 134 | 2011 | — | 10 patents Demand response asset monitoring, control, and load forecasting for smart grid operations | — |
| 5 | AiDASH AI-powered platform for managing critical infrastructure assets | $143M | 27 mo ago | 251 251 → 392 (+56%) · sector median +56% | 2019 | WordPress Block EditorElementorWordPress+41 | 40 patents Geospatial image registration and analysis for environmental monitoring and habitat assessment | — |
| 6 | Swell Energy Provider of home energy systems integrating solar, storage, and virtual power | $134M | 42 mo ago | 111 | 2014 | StoryblokSentryApple iCloud Mail+22 | — | — |
| 7 | Ice Energy Offering energy storage system and demand side management for smart grid | $132M | 95 mo ago | — | 2003 | — | — | 3 launchs · 2 expansions |
| 8 | OhmConnect Provider of energy management software solutions | $90M | 48 mo ago | 77 | 2013 | Amazon WebstoreWebflowApple iCloud Mail+29 | — | — |
| 9 | Bidgely Provider of a solution for consumers to monitor and manage their household energy use | $88M | 57 mo ago | 39 | 2011 | WordPressMySQLPHP+33 | 53 patents Appliance-level energy disaggregation and demand‑side management analytics for smart grids | — |
| 10 | Greenwave Systems Developer of software-defined network platform enabling virtual network operator capabilities | $86M | 125 mo ago | 13 | 2008 | — | — | — |
| 11 | TS Conductor Developer of electric transmission based projects | $85M | 24 mo ago | 21 | 2018 | WordPressApple iCloud MailMicrosoft 365+20 | — | 1 job opening |
| 12 | GridCARE Provider of AI data center power solutions leveraging existing grid infrastructure 50Funding top 22%Talent top 38%AI top 45%Global bottom 48% All 6 signals ▾Fundingtop 22% Talenttop 38% AItop 45% Globalbottom 48% Techbottom 44% Marketbottom 35% Funding: Raised $77.5M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 50/100 | $78M | 1 mo ago | — | 2024 | WebflowBugHerdPostHog+15 | — | 1 partnership |
| 13 | Sunverge Developer of smart energy storage and energy management systems | $75M | 36 mo ago | 33 | 2009 | — | — | — |
| 14 | GridX Cloud-based platform offering meter billing solutions | $68M | 50 mo ago | 53 53 → 107 (+102%) · sector median +56% | 2010 | WordPressMySQLPHP+28 | 8 patents Wholesale energy transaction metering using retail meter data and high‑volume micro‑payment processing. | 1 job opening |
| 15 | emeter eMeter provides a portfolio of energy efficiency software and integration services. | $68M | 191 mo ago | 150 | 1999 | — | 16 patents Smart grid data analytics and management for advanced electricity metering systems | — |
| 16 | Nexant Offering solutions for demand response for distribution and transmission | $65M | 190 mo ago | 375 | 2000 | — | 6 patents Optimizing electrical grid energy distribution and advanced fuel cell stack design. | — |
| 17 | Leap Provider of demand response management solutions | $58M | 30 mo ago | 49 | 2017 | Framer SitesReactAmazon Web Services+13 | 29 patents Microwave-based mobile pavement recycling and on‑site asphalt production systems | — |
| 18 | SpaceTime Insight Offering real time analytics solutions for data from varied sources | $55M | 116 mo ago | 130 | 2008 | — | — | — |
| 19 | Varentec Grid Control management technology provider | $43M | 79 mo ago | 24 | 2009 | — | 81 patents Voltage regulation and VAR optimization for distribution grid edge devices | — |
| 20 | Verdigris AI and SaaS-driven energy analytics platform for the management of facilities and commercial buildings 48Funding top 23%Growth top 28%Talent top 28%Moat top 41% All 11 signals ▾Fundingtop 23% Growthtop 28% Talenttop 28% Moattop 41% Techtop 42% Producttop 46% Newsbottom 41% Globalbottom 39% Marketbottom 32% Innovationbottom 31% Patentsbottom 24% Funding: Raised $41.7M across 13 rounds · 13 rounds over 15 yrs (0.9/yr) Growth: Headcount 20 → 27 (+35%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 48/100 | $42M | 3 mo ago | 27 | 2011 | WebflowUptimeRobotApple iCloud Mail+18 | 2 patents Electrical load identification and disaggregation via waveform analysis for power monitoring | — |
| 21 | Reach Online platform offering wireless energy solutions | $39M | 42 mo ago | 11 | 2014 | WordPressMySQLPHP+17 | 9 patents Subscriber ID routing and data offloading for wireless network access and authentication | — |
| 22 | Greensmith Energy Provider of energy storage software and analytics solution | $34M | 126 mo ago | 38 | 2008 | — | — | — |
| 23 | compology Compology is building technology focused on increasing efficiency and revenue growth for waste and recycling… | $33M | 82 mo ago | 34 | 2012 | SalesforceAmazon Web ServicesTypekit+3 | 19 patents IoT-based fill‑level sensing and waste‑container monitoring for smart waste management | — |
| 24 | EcoFactor Data analytics platform for home energy management | $31M | 132 mo ago | 12 | 2006 | HighchartsRequireJSNginx+7 | 117 patents HVAC system efficiency monitoring and diagnostic analytics for performance optimization | — |
| 25 | Intertrust Platform Application security solutions provider | $28M | 44 mo ago | 1,600 | 1990 | WordPressApple iCloud MailMySQL+22 | — | 1 launch |
| 26 | Camus Energy Machine learning-based DERs management solution provider | $26M | 28 mo ago | 30 30 → 27 (-10%) · sector median +56% | 2019 | WebflowApple iCloud MailGoogle Workspace+16 | — | — |
| 27 | Splight Provider of AI-based transmission capacity for the grid 35AI top 35%Funding top 37%Talent bottom 49%Global bottom 48% All 6 signals ▾AItop 35% Fundingtop 37% Talentbottom 49% Globalbottom 48% Techbottom 38% Marketbottom 30% AI: Product described with: ai-based, machine learning Funding: Raised $24.4M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 35/100 | $24M | 9 mo ago | — | 2021 | Framer SitesReactLenis+5 | — | — |
| 28 | Sentient Energy Provider of grid network monitoring solutions | $22M | 134 mo ago | 84 84 → 113 (+35%) · sector median +56% | 2009 | — | — | — |
| 29 | CleanSpark Provider of microgrid optimizer software solutions 74Funding top 28%Fin. health top 28%Growth top 29%Market top 30% All 13 signals ▾Fundingtop 28% Fin. healthtop 28% Growthtop 29% Markettop 30% Moattop 31% Producttop 32% Talenttop 36% Techtop 37% Partnerstop 37% Newstop 38% Innovationbottom 39% Patentsbottom 33% Globalbottom 33% Funding: Raised $20.0M · 3 rounds over 7 yrs (0.4/yr) Fin. health: Revenue ~$766M (FY2021) · Net margin -42416.8% rank vs industry peers · Fliar Intelligence Index 74/100 | $20M | 7 mo ago | 130 | 2008 | WordPressMySQLPHP+22 | 6 patents Enables communication and power‑sharing networks for distributed energy systems | — |
| 30 | Amberflo Cloud-based invoicing and billing solution for businesses | $20M | 41 mo ago | 27 | 2020 | — | — | — |
| 31 | Xendee Provider of software for microgrid design, modeling, and operation services | $20M | 48 mo ago | 10 10 → 25 (+150%) · sector median +56% | 2012 | HubSpot CMS HubMaterial Design Litecore-js+13 | 22 patents AI-powered planning and optimization of microgrids and distributed energy resources | — |
| 32 | ELONCITY Provider of micro grid solutions enabled with distributed power generation systems | $20M | 92 mo ago | — | 2017 | — | — | — |
| 33 | Ivy Energy Cloud-based platform offering bill calculation software solutions for solar energy operators | $18M | 26 mo ago | 38 38 → 50 (+32%) · sector median +56% | 2012 | Apple iCloud MailGoogle WorkspaceRadix UI+16 | — | — |
| 34 | Gridium SaaS-driven energy management and data analytics platform | $18M | 39 mo ago | 24 24 → 39 (+62%) · sector median +56% | 2011 | — | 3 patents Software platforms for utility energy consumption monitoring and demand-response optimization. | — |
| 35 | BuildingIQ Building Energy Intelligence | $16M | 78 mo ago | 51 | 2009 | — | — | — |
| 36 | Gridware Real-time grid intelligence platform for safer, more resilient power grids 50Funding top 28%Growth top 28%Talent top 28%Moat top 39% All 8 signals ▾Fundingtop 28% Growthtop 28% Talenttop 28% Moattop 39% Newstop 43% Techbottom 43% Globalbottom 37% Marketbottom 32% Funding: Raised $15.9M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 50/100 | $16M | 7 mo ago | 18 | 2020 | WebflowApple iCloud MailMicrosoft Advertising+13 | — | — |
| 37 | Splight Artificial Energy Developer of software to increase grid capacity and enhance reliability | $14M | 23 mo ago | 36 | 2020 | — | — | — |
| 38 | UtilityAPI Provider of access to energy usage data | $11M | 49 mo ago | 17 17 → 20 (+18%) · sector median +56% | 2014 | WordPress Block EditorWordPressMySQL+13 | — | — |
| 39 | Delta Energy & Communications Provider of software and hardware solutions for smart grid utility management | $10M | 67 mo ago | 9 | 2014 | — | — | 7 launchs |
| 40 | Buzz Solutions Platform to process the data acquired by third-party drones | $10M | 28 mo ago | 7 | 2017 | — | 7 patents Patents concentrated in health & consumer products | 1 job opening |
| 41 | Derapi Provider of software for utility management 22News top 38%Talent top 38%Funding top 42%Tech top 47% All 6 signals ▾Newstop 38% Talenttop 38% Fundingtop 42% Techtop 47% Globalbottom 36% Marketbottom 21% News: 3 BI events in 12 mo (of 3 tracked, 1 types) · Top themes: Funding Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 22/100 | $7M | 4 mo ago | 11 | 2022 | WordPressMySQLPHP+28 | — | — |
| 42 | BoxPower Turnkey microgrid solutions provider for reliable, affordable, and clean energy 32Growth top 35%Talent top 41%Funding top 44%Moat top 45% All 9 signals ▾Growthtop 35% Talenttop 41% Fundingtop 44% Moattop 45% Techtop 47% Globalbottom 37% Marketbottom 34% Patentsbottom 29% Innovationbottom 22% Growth: Fresh capital in last 24 mo Talent: Analyst team rating 4/5 · 1 named leader on record rank vs industry peers · Fliar Intelligence Index 32/100 | $7M | 6 mo ago | 35 | 2016 | Webflow EcommerceWebflowAmazon Web Services+14 | 3 patents Modular microgrid design and intelligent energy management systems | — |
| 43 | Blumen Systems Software for energy transition by aggregating geospatial datasets and regulatory documents | $6M | 23 mo ago | 5 | 2023 | Apple iCloud MailGoogle WorkspaceRadix UI+10 | — | 1 partnership |
| 44 | New Sun Road Provider of distributed energy solutions for the renewable power industry | $6M | 36 mo ago | 32 | 2014 | WordPress Block EditorElementorWordPress+38 | — | — |
| 45 | TrueMeter Provider of AI utility bill management for multi-site businesses | $6M | 12 mo ago | — | 2023 | WebflowRiveAmazon Web Services+23 | — | 1 award |
| 46 | Current Software Developer of billing software that automates processes and provides real-time analytics | $4M | 8 mo ago | — | 2023 | Node.jsRadix UIReact+15 | — | — |
| 47 | Operant Networks Offers wireless mesh networking for industrial IoT and renewable energy industries | $3M | 16 mo ago | 13 | 2016 | — | — | — |
| 48 | Technosylva Provider of wildfire and extreme weather risk mitigation and management solutions | $3M | 18 mo ago | 32 | 1997 | WordPressApple iCloud MailGoogle Workspace+29 | 7 patents Patents concentrated in computing, sensing & instrumentation | — |
| 49 | LineSpect Smart camera solutions for precision agriculture, forestry, aquaculture, and biofuel production | $650K | 21 mo ago | — | 2014 | — | — | — |
| 50 | ChangeAerial Provides tools and services for using aerial pictures in automated change detection analyses | $275K | 23 mo ago | — | 2020 | — | — | — |
Top 12 Smart Grid companies in California
#1
Series A · Redwood City, California · founded 2024$77.5Mraised▾
Provider of AI data center power solutions leveraging existing grid infrastructure. It partners with AI infrastructure developers and electric utilities to identify and utilize existing grid capacity for powering AI data centers. This approach reduces time-to-power significantly, eliminating the need for costly grid upgrades. The company employs generative AI to pinpoint optimal sites and optimize grid capacity utilization across all locations and hours. This solution benefits both data center developers, by providing faster access to power, and utilities, by driving beneficial load growth and maximizing asset utilization.
- May 2026Series A$64M
- May 2025Seed$13.5M
#2
Series B · Mountain View, California · founded 2011 · 27 employees$41.7Mraised▾
AI and SaaS-driven energy analytics platform for the management of facilities and commercial buildings. The cloud-based solution allows users to optimize operations, facility uptime, and manage energy costs. Its wireless sensors enable real-time identification, disaggregation, and analysis of the loads in buildings, providing insights into behavior and usage. It also provides an IoT Energy Meter that helps to track energy consumption with its smart sensors.
- Mar 2026Series B—
- Aug 2023Series B$10M
- Dec 2021Series B$1.1M
- Jan 2021Series B$7.1M
#3
Acquired · Redwood City, California · founded 2011 · 134 employees$160Mraised▾
Autogrid specializes in providing IoT-enabled distributed energy resource management solutions. Its offerings include AutoGrid Flex, AutoGrid Engage, and AutoGrid Energy Internet Platform. It offers solutions such as storage co-optimization, virtual power plant, DER ancillary services, residential behavioral & pricing programs, and others.
- Mar 2025Grant (prize money)$2M
- Oct 2021Series D$85M
- Jan 2021Grant (prize money)$2.2M
- May 2019Series D—
#4
Series E · Union City, California · founded 2010 · 155 employees$214.7Mraised▾
Provider of technology to enhance electric grid capacity and flexibility. The company offers solutions for actively managing power flows and reducing congestion. These technologies create firm capacity on existing transmission assets. The company's offerings enable a faster, more cost-efficient path to meet growing energy demand with clean energy generation.
- Jan 2025PE$65M
- Jan 2020Series E$75M
- Oct 2019Grant (prize money)$1.2M
- Nov 2018Series D$5.9M
#5
Series B · Sacramento, California · founded 2020 · 18 employees$15.9Mraised▾
Real-time grid intelligence platform for safer, more resilient power grids. They provide solutions for electric utilities to maintain uptime and address hazards like fallen limbs or damaged power lines. Their Active Grid Response (AGR) platform offers constant visibility into real-time electrical, physical, and environmental conditions by capturing information directly at the pole. This technology enables immediate detection, precise localization, detailed identification, and monitoring during outages. They partner with power companies to improve grid safety and reliability, helping crews get to the right location with the right information. Their platform prevents hazards, restores power quickly and safely, and extends the life of assets in the field. They are committed to providing line workers with the tools they need to fix the grid efficiently, respond strategically, and keep communities safe. This is a SaaS platform that offers a subscription service for utilities, providing real-time hazard intelligence and field-tested insights.
- Nov 2025Series B$55M
- Jan 2025Series A$26.4M
- Jun 2023Seed$10.5M
- 2022Seed—
#6
Acquired · San Diego, California · founded 2008 · 130 employees$20Mraised▾
Provider of microgrid optimizer software solutions. The software mVSO provides solutions for energy security, sustainability, and revenue generation. It also provides big data analysis solutions for the utilities. Its other offerings include mPulse - for integration and optimization of multiple energy sources, Switchgear - for providing a variety of operating modes, and more.
#7
Seed · San Carlos, California · founded 2022 · 11 employees$7Mraised▾
Provider of software for utility management. It offers solutions such as DERMS and virtual power plant providers, DER aggregators, DER asset owners and operators, energy management software, and more.
- Feb 2026Seed$7M
- Sep 2022Seed—
- 2022Seed—
#8
Series A · San Francisco, California · founded 2021$24.4Mraised▾
Provider of AI-based transmission capacity for the grid. It provides users with a company that develops and deploys real-time data and machine learning-based solutions to increase transmission capacity in the energy grid, enhancing its reliability and flexibility. The company's technology responds to grid contingencies in real-time to unlock additional transmission capacity.
- Aug 2025Series A$12.4M
- Jan 2025Seed—
- Jul 2024Seed$12M
#9
Series A · Grass Valley, California · founded 2016 · 35 employees$6.7Mraised▾
Turnkey microgrid solutions provider for reliable, affordable, and clean energy. The company streamlines the deployment of standalone power systems, especially in rural and remote areas. They offer an end-to-end microgrid platform, encompassing project development, system design and engineering, installation, monitoring and reporting, and operations and maintenance. Their expertise extends to integrated solar, battery, and backup generator systems. They utilize software for energy audits and configure tailored microgrid solutions. The company focuses on delivering resilient power in challenging energy environments, supporting off-grid, grid-tied, and hybrid deployments. They provide services to utilities, government, commercial, tribal, and agricultural sectors. The company's solutions enable VPP participation and offer streamlined operation and maintenance through remote monitoring and diagnostics. They are committed to providing clean alternatives to traditional energy sources, impacting communities and reducing carbon emissions.
- Dec 2025Series A$6.7M
- Oct 2024Series A—
- 2021Series A—
#10
Series A · San Francisco, California · founded 2023$3.8Mraised▾
Developer of billing software that automates processes and provides real-time analytics. The software enables end users to manage their usage and helps optimize operations. It enhances customer experience and increases profitability through digital solutions. The platform allows clients to save time and money on back-office tasks.
- Oct 2025Series A$3.8M
#11
Series B · Arcadia, California · founded 2018 · 21 employees$85Mraised▾
Developer of electric transmission based projects
- Jun 2024Series B$60M
- Nov 2021Series A$25M
#12
Seed · San Francisco, California · founded 2023$5.5Mraised▾
Provider of AI utility bill management for multi-site businesses. It offers a platform that tracks, pays, and lowers utility bills. The AI audits billing items, corrects errors, and secures optimal rates. The platform consolidates bills into a single invoice and automates service requests. It also provides energy consumption insights and benchmarks across locations.
- Jun 2025Seed$5.5M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Smart Grid coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Smart Grid in California is moving
A read on the academic research around Smart Grid in California — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 348 papers.
UC Berkeley, Sandia, and UC Riverside lead California's optimistic smart-grid research, predominantly advancing energy management and microgrid optimization, with security concerns remaining a minority focus.
- University of California, Berkeley79
- Sandia National Laboratories California47
- University of California, Riverside42
- University of Southern California21
- University of California, Irvine20
- Microgrid6→28
- Renewable energy7→16
- Electric power system3→9
- Energy storage1→7
- Control theory (sociology)2→8
- Microgrid4→50
- Renewable energy6→24
- Electric power system4→15
- Electric vehicle2→12
- Reinforcement learning1→10
- Microgrid1→10
- Renewable energy3→8
- Computer security1→4
- Energy storage1→3
- Electricity3→5
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.