Radar · Solar Energy in California
Best Solar Energy Companies in California, United States
The 518 best Solar Energy companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: SolarCity.
By Riya SenguptaFinancials
518companies tracked
$12Bdisclosed funding
1unicorns
168have raised
FLIAR INTELLIGENCE · SOLAR ENERGY × CALIFORNIA
Our analysis of 50 Solar Energy companies
$17.8b in tracked funding; 84% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
50companies analysed
84%cloud-native stacks
2025funding peak (by rounds)
2014median founding year
51median Fliar Index™
665kcombined LinkedIn audience
59%of audience held by top 3
3companies hiring publicly (12 mo)
Ranked: Best Solar Energy companies in California
| # | Company | Disclosed funding | Last round | Employees | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | SolarCity Provider of home solar energy solutions and systems for clean, renewable energy production and management 72Fin. health top 23%Growth top 26%Funding top 29%Moat top 29% All 12 signals ▾Fin. healthtop 23% Growthtop 26% Fundingtop 29% Moattop 29% Patentstop 35% Markettop 36% Innovationtop 41% Producttop 47% Newstop 49% Globalbottom 44% Customersbottom 41% Techbottom 38% Fin. health: Revenue ~$730M (FY2013) · Net margin 32.7% Growth: Revenue +83% YoY rank vs industry peers · Fliar Intelligence Index 72/100 | $1.3B | 117 mo ago | 10,000 | 2006 | Amazon Web ServicesAngularJSModernizr+8 | 617 patents Solar rooftop PV integration, mounting systems, and distributed generation control and monitoring | — |
| 2 | SolarReserve Independent solar power producer | $937M | 107 mo ago | 59 | 2007 | — | 47 patents Solar thermal power generation using heliostat control and advanced thermal energy storage. | — |
| 3 | Solyndra 🦄 Provider of solar panels, solar panel kits, and related components | $845M | 100 mo ago | 168 | 2005 | WordPressMySQLPHP+18 | 158 patents Non‑planar, cylindrical photovoltaic modules with filler layers and volume‑compensation integration. | — |
| 4 | BrightSource Energy AI-powered energy management software optimizing renewable energy and storage portfolios | $806M | 97 mo ago | 4 | 2006 | WordPressMySQLPHP+22 | — | — |
| 5 | Recurrent Energy Developer of utility-scale solar projects 74Funding top 24%Tech top 28%Growth top 35%Product top 37% All 10 signals ▾Fundingtop 24% Techtop 28% Growthtop 35% Producttop 37% Newstop 38% Innovationtop 40% Partnerstop 42% Moattop 48% Marketbottom 48% Globalbottom 39% Funding: Raised $585M across 9 rounds · 9 rounds over 19 yrs (0.5/yr) Tech: 42 technologies across 5/8 capability areas · Cloud: Amazon S3, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 74/100 | $585M | 13 mo ago | 110 | 2006 | WordPressApple iCloud MailMySQL+26 | — | — |
| 6 | Arlington Valley Solar Energy Solar power plants in Arizona | $550M | 171 mo ago | — | 2009 | — | — | — |
| 7 | Longroad Energy Developer of utility-scale wind and solar power projects 53Talent top 38%Innovation top 40%Product top 40%Funding top 41% All 10 signals ▾Talenttop 38% Innovationtop 40% Producttop 40% Fundingtop 41% Techtop 44% Growthtop 45% Moattop 48% Marketbottom 44% Globalbottom 39% Newsbottom 24% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Innovation: 2 product lines rank vs industry peers · Fliar Intelligence Index 53/100 | $500M | 30 mo ago | 153 153 → 232 (+52%) | 2016 | WordPress Block EditorWordPressApple iCloud Mail+33 | — | 1 internship |
| 8 | 8minute Provider of solar energy storage solutions 40Funding top 31%Market top 48%Growth bottom 42%Global bottom 37% All 5 signals ▾Fundingtop 31% Markettop 48% Growthbottom 42% Globalbottom 37% Newsbottom 27% Funding: Raised $400M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) Market: 147 employees (top 37% of Energy) rank vs industry peers · Fliar Intelligence Index 40/100 | $400M | 52 mo ago | 147 147 → 236 (+61%) | 2009 | — | — | — |
| 9 | Silicor Materials Producer of silicon for the manufacture of solar photovoltaic (PV) cells | $361M | 73 mo ago | 4 | 2006 | — | 141 patents Purifying and directional solidification of silicon for high‑purity semiconductor/solar applications. | — |
| 10 | Arevon Developer of solar energy projects 60Funding top 31%Product top 36%Innovation top 40%News top 40% All 9 signals ▾Fundingtop 31% Producttop 36% Innovationtop 40% Newstop 40% Techtop 45% Partnerstop 47% Growthtop 48% Markettop 49% Globalbottom 29% Funding: Raised $350M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) Product: 2 distinct product lines · Company stage: Acquired rank vs industry peers · Fliar Intelligence Index 60/100 | $350M | 28 mo ago | 196 | 2011 | WordPress Block EditorWordPressApple iCloud Mail+27 | — | 2 awards |
| 11 | OneRoof Energy Offers residential rooftop services | $330M | 115 mo ago | 33 | 2009 | — | — | — |
| 12 | Sunrun Provider of solar energy services for residential | $297M | 103 mo ago | 8,360 8,360 → 10,543 (+26%) | 2007 | Apple iCloud MailGoogle WorkspaceNode.js+32 | 54 patents Solar photovoltaic mounting hardware and integrated clamp/track systems for panel installation | 3 partnerships · 1 award |
| 13 | Solaria Solar panel warranty support now provided by SunPower | $271M | 84 mo ago | 46 | 2000 | Squarespace CommerceSquarespaceSentry+26 | 227 patents Shingled photovoltaic module design, interconnect wiring, adhesive control, and mounting systems | — |
| 14 | Pattern Energy Group Renewable Energy focused IPP 76Innovation top 20%Funding top 26%Product top 26%Fin. health top 29% All 10 signals ▾Innovationtop 20% Fundingtop 26% Producttop 26% Fin. healthtop 29% Markettop 36% Growthtop 45% Techtop 48% Moattop 48% Newsbottom 38% Globalbottom 37% Innovation: 5 product lines Funding: Raised $256M across 1 rounds · 1 rounds over 8 yrs (0.1/yr) rank vs industry peers · Fliar Intelligence Index 76/100 | $256M | 12 mo ago | 491 | 2013 | WordPress Block EditorWordPressApple iCloud Mail+22 | — | — |
| 15 | eSolar Constructs solar thermal power plant | $240M | 153 mo ago | 68 | 2007 | — | 60 patents Design, control, and protection of heliostat fields for concentrated solar power plants | — |
| 16 | Solexel Developer of crystalline silicon solar cells and modules for photovoltaic electricity generation | $238M | 124 mo ago | 62 | 2007 | — | 486 patents Advanced manufacturing of high-efficiency crystalline silicon photovoltaic cells and modules. | — |
| 17 | Coronal Energy Developer of solar energy projects | $235M | 117 mo ago | 32 | 2012 | — | — | — |
| 18 | BeamReach Solar Manufactures solar lightweight PV modules | $215M | 114 mo ago | 55 | 2007 | — | — | — |
| 19 | Spruce Provider of solar financing services for residential units | $205M | 85 mo ago | 140 | 2015 | — | 5 patents Secure proximity authentication, foldable pet bedding, and DVD/web multimedia authoring technologies. | 1 job opening |
| 20 | AMPYR Energy USA Developer of solar energy projects 19Funding top 32%Talent bottom 49%Global bottom 36%Market bottom 24% All 4 signals ▾Fundingtop 32% Talentbottom 49% Globalbottom 36% Marketbottom 24% Funding: Raised $200M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 19/100 | $200M | 17 mo ago | 10 | 2022 | — | — | — |
| 21 | Cypress Creek Renewables Owns and develops solar farms | $200M | 49 mo ago | 565 565 → 465 (-18%) | 2014 | WordPressMySQLPHP+14 | — | — |
| 22 | NRG Solar Independent solar power producer | $169M | 184 mo ago | 24 | 2006 | — | — | — |
| 23 | Tigo Designer of solar power conversion and storage products 35Tech top 23%Funding top 29%Product top 39%Customers top 42% All 12 signals ▾Techtop 23% Fundingtop 29% Producttop 39% Customerstop 42% Talentbottom 49% Newsbottom 48% Growthbottom 40% Marketbottom 39% Globalbottom 39% Moatbottom 35% Innovationbottom 34% Fin. healthbottom 32% Tech: 63 technologies across 6/8 capability areas · Cloud: Akamai, Amazon Web Services Funding: Raised $161M across 26 rounds · 26 rounds over 18 yrs (1.4/yr) rank vs industry peers · Fliar Intelligence Index 35/100 | $161M | 41 mo ago | 81 | 2007 | Webflow EcommerceWebflowApple iCloud Mail+25 | — | — |
| 24 | Landmark Infrastructure Partners Real estate assets provider for wireless communication, advertising, and renewable power generation | $153M | 99 mo ago | 40 | 2010 | — | — | — |
| 25 | Amonix Designer and manufacturer of concentrated PV. | $129M | 176 mo ago | 26 | 1989 | — | 18 patents High‑concentration photovoltaic modules with integrated heat‑rejection optics and sun‑tracking sensors | — |
| 26 | Ausra Solar energy technologies | $126M | 205 mo ago | 26 | 2000 | — | 34 patents Patents concentrated in mechanical & energy engineering | — |
| 27 | Heliogen Producer of hydrogen and syngas using sunlight | $111M | 60 mo ago | 144 | 2013 | WordPressApple iCloud MailMicrosoft 365+25 | 63 patents Patents concentrated in electrical & electronics | — |
| 28 | PowerFlex Provider of renewable energy project development services | $100M | 42 mo ago | 300 | 2017 | WebflowSalesforceAmazon Web Services+23 | — | — |
| 29 | Mission Clean Energy Developer of solar energy projects 62Funding top 35%Talent bottom 49%Global bottom 48% All 3 signals ▾Fundingtop 35% Talentbottom 49% Globalbottom 48% Funding: Raised $55.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 62/100 | $55M | 14 mo ago | 31 | 2022 | — | — | 1 job opening |
| 30 | Ojjo Developer of solar energy projects | $55M | 44 mo ago | 47 | 2018 | — | 325 patents Design and installation of robust truss foundations and bearing systems for solar trackers in challenging soils | — |
| 31 | SOLARCYCLE Provider of solar panel recycling services | $38M | 39 mo ago | 30 | 2022 | WebflowjQuery-pjaxcore-js+17 | 36 patents Efficient solar panel recycling: delamination, material separation, and glass recovery processes. | — |
| 32 | Pathway Power Developer of solar and wind energy projects 19Funding top 36%Talent bottom 49%Global bottom 36%Market bottom 20% All 4 signals ▾Fundingtop 36% Talentbottom 49% Globalbottom 36% Marketbottom 20% Funding: Raised $36.0M across 2 rounds · 2 rounds over 4 yrs (0.5/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 19/100 | $36M | 19 mo ago | 10 | 2022 | — | — | 2 partnerships |
| 33 | Kevala Developer of solar energy projects 29Tech top 47%Funding top 48%Patents bottom 49%Talent bottom 49% All 10 signals ▾Techtop 47% Fundingtop 48% Patentsbottom 49% Talentbottom 49% Newsbottom 46% Moatbottom 42% Innovationbottom 41% Globalbottom 37% Marketbottom 36% Growthbottom 35% Tech: 23 technologies across 4/8 capability areas · Cloud: Cloudflare Funding: Raised $35.8M across 3 rounds · 3 rounds over 10 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 29/100 | $36M | 24 mo ago | 77 | 2009 | Webflow EcommerceWebflowApple iCloud Mail+20 | 3 patents Localized carbon intensity forecasting and analytics for electric power grids | — |
| 34 | Renogy Off-grid solar solutions: panels, batteries, kits, charge controllers, inverters | $31M | 48 mo ago | 97 | 2005 | Cart FunctionalityBigCommerceGoogle Maps+42 | — | 4 launchs · 1 award |
| 35 | Enteligent Manufacturer of solar powered products 40Growth top 35%Patents top 44%Funding top 46%Tech bottom 49% All 9 signals ▾Growthtop 35% Patentstop 44% Fundingtop 46% Techbottom 49% Innovationbottom 47% Moatbottom 42% Globalbottom 40% Marketbottom 24% Newsbottom 18% Growth: Fresh capital in last 24 mo Patents: 5 patents matched (strict assignee match) · 5 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 40/100 | $27M | 21 mo ago | 21 | 2020 | Cart FunctionalityShopifyShop Pay+11 | 5 patents Patents concentrated in electrical & electronics | — |
| 36 | GRID Alternatives Solar panel & products installation company 40Growth top 35%Tech top 50%Funding bottom 49%Talent bottom 49% All 6 signals ▾Growthtop 35% Techtop 50% Fundingbottom 49% Talentbottom 49% Globalbottom 37% Marketbottom 28% Growth: Fresh capital in last 24 mo Tech: 29 technologies across 4/8 capability areas · Cloud: Cloudflare, Fastly rank vs industry peers · Fliar Intelligence Index 40/100 | $23M | 12 mo ago | — | 2001 | DrupalApple iCloud MailGoogle Workspace+23 | — | — |
| 37 | Charge Robotics Developer of automated robotic systems for renewable energy construction applications 19Talent top 38%Funding top 40%Tech bottom 44%Global bottom 37% All 5 signals ▾Talenttop 38% Fundingtop 40% Techbottom 44% Globalbottom 37% Marketbottom 20% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $17.1M across 3 rounds · 3 rounds over 5 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 19/100 | $17M | 15 mo ago | 8 | 2021 | Node.jsReactNext.js+6 | — | — |
| 38 | MCPV Manufacturer of heterojunction solar cells and modules for solar energy projects 24Talent bottom 49%Funding bottom 41%Global bottom 25% All 3 signals ▾Talentbottom 49% Fundingbottom 41% Globalbottom 25% Talent: 1 named leader on record · 1 C-suite/founder profile curated Funding: Raised $10.9M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 24/100 | $11M | 14 mo ago | — | 2020 | — | — | — |
| 39 | Optivolt Provider of solar-powered products 45Moat top 25%Innovation top 27%Patents top 31%Talent top 38% All 9 signals ▾Moattop 25% Innovationtop 27% Patentstop 31% Talenttop 38% Fundingtop 46% Techbottom 49% Productbottom 40% Marketbottom 31% Globalbottom 31% Moat: Editorial + unicorn rating 7/10 · IP moat: 51 patents Innovation: 51 patents (top 39% of patent-holders) · 49 filings since 2022 vs 2 in 2017-21 rank vs industry peers · Fliar Intelligence Index 45/100 | $10M | 22 mo ago | 32 | 2017 | Cart FunctionalityApple iCloud MailNode.js+13 | 51 patents Advanced solar PV power electronics for module balancing, MPPT, and multi-chemistry charge control | — |
| 40 | Optony Developer of solar energy projects 11Funding bottom 38%Global bottom 25% All 2 signals ▾Fundingbottom 38% Globalbottom 25% Funding: Raised $8.1M across 3 rounds · 3 rounds over 17 yrs (0.2/yr) Global: Single-market focus (United States) rank vs industry peers · Fliar Intelligence Index 11/100 | $8M | 17 mo ago | 14 | 2007 | — | — | — |
| 41 | Photara Manufacturer of equipment and materials to replace silver on silicon solar cells with base metals 60Funding top 42%Talent top 45%Global bottom 48% All 3 signals ▾Fundingtop 42% Talenttop 45% Globalbottom 48% Funding: Raised $8.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 2 named leaders on record rank vs industry peers · Fliar Intelligence Index 60/100 | $8M | 9 mo ago | — | 2022 | — | — | — |
| 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 | 5 mo ago | 35 | 2016 | Webflow EcommerceWebflowAmazon Web Services+14 | 3 patents Modular microgrid design and intelligent energy management systems | — |
| 43 | Trinary Energy Provider of capital and development support for renewable energy projects 37Talent top 45%Funding bottom 48%Global bottom 25% All 3 signals ▾Talenttop 45% Fundingbottom 48% Globalbottom 25% Talent: 2 named leaders on record Funding: Raised $3.9M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 37/100 | $4M | 9 mo ago | — | 2020 | — | — | — |
| 44 | Aether Energy Provider of an AI-powered platform for solar and roofing installers | $3M | 19 mo ago | — | 2023 | SentryNode.jsThree.js+16 | — | — |
| 45 | Noria Energy Developer of solar energy projects 19Talent top 38%Funding bottom 39%Global bottom 29%Market bottom 28% All 4 signals ▾Talenttop 38% Fundingbottom 39% Globalbottom 29% Marketbottom 28% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $2.1M across 2 rounds · 2 rounds over 4 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 19/100 | $2M | 9 mo ago | 20 | 2018 | — | — | — |
| 46 | MCE Clean Energy Provider of local clean energy as an alternative to traditional electricity services 50Tech top 31%Growth top 35%Innovation top 40%Product bottom 49% All 9 signals ▾Techtop 31% Growthtop 35% Innovationtop 40% Productbottom 49% Talentbottom 49% Fundingbottom 39% Customersbottom 39% Marketbottom 31% Globalbottom 30% Tech: 48 technologies across 5/8 capability areas · Cloud: Cloudflare Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 50/100 | $2M | 12 mo ago | 23 | 2010 | WordPressApple iCloud MailMicrosoft 365+36 | — | 1 internship |
| 47 | Innovus Power Manufacturer of solar powered generators 5Funding bottom 45%Talent bottom 45%Global bottom 33%Growth bottom 32% All 6 signals ▾Fundingbottom 45% Talentbottom 45% Globalbottom 33% Growthbottom 32% Marketbottom 10% Fin. healthbottom 10% Funding: Raised $882k across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 1 named leader on record rank vs industry peers · Fliar Intelligence Index 5/100 | $882K | 2 mo ago | 11 | 2002 | — | — | — |
| 48 | MaxOut Renewables Renewable energy solutions for efficient solar power and reliable backup 32Patents top 43%Global top 48%Talent bottom 45%Innovation bottom 42% All 5 signals ▾Patentstop 43% Globaltop 48% Talentbottom 45% Innovationbottom 42% Fundingbottom 38% Patents: 30 patents matched (strict assignee match) · 6 filings since 2022 vs 8 in 2017-21 Global: Investors from 1 country beyond United States rank vs industry peers · Fliar Intelligence Index 32/100 | $850K | 12 mo ago | — | 2010 | — | 30 patents Hybrid inverter optimization and microgrid control for renewable power integration | — |
| 49 | Better Earth Developer of solar energy projects | $405K | 21 mo ago | 295 | 2019 | WordPressApple iCloud MailGoogle Workspace+18 | — | — |
| 50 | Ubiquity Solar Solar PV technology leader delivering advanced solutions for power generation and aerospace | $382K | 17 mo ago | 20 | 2011 | — | — | — |
Top 12 Solar Energy companies in California
#1
Acquired · San Francisco, California · founded 2006 · 110 employees$585Mraised▾
Acquired · San Francisco, California · founded 2006 · 110 employees
Recurrent Energy provides solar power and develops and owns locally-sited solar power systems. The company offers their model via a Power Purchase Agreement (PPA) or Feed-in Tariffs (FiT). In return, their utility, commercial, and government customers achieve energy independence, predictable pricing, and enhanced sustainability.
Fliar Intelligence Index™ 74how this company ranks against its industry peers
Funding
top 24%Tech
top 28%Growth
top 35%Product
top 37%News
top 38%Innovation
top 40%Funding: Raised $585M across 9 rounds · 9 rounds over 19 yrs (0.5/yr) · Last round Conventional Debt (Apr 2025)
Tech: 42 technologies across 5/8 capability areas · Cloud: Amazon S3, Amazon Web Services · Devops: Nginx
Growth: Fresh capital in last 24 mo
Audience (LinkedIn): 109k LinkedIn followers — 16.4% of this cohort's audience · 95 engagements/post (2.0× cohort median)
Funding rounds
- Apr 2025Conventional Debt$415M
- Jul 2024Conventional Debt$54.3M
- Apr 2024Conventional Debt$118.2M
- Jan 2024Series C$500M
Investors
European Investment Bank, Nomura, Investec, BlackRock, Hudson Clean Energy Partners, Natixis
Tech stack
Amazon S3Amazon Web ServicesAngularAnt DesignApple Icloud MailBluehost
#2
Acquired · San Francisco, California · founded 2013 · 491 employees$256.1Mraised▾
Acquired · San Francisco, California · founded 2013 · 491 employees
Pattern Energy is an independent power company focusing on developing wind power resources. The company owns and operates wind power projects in the United States, Canada and Chile. As on Oct 2015, the total owned capacity is 2,282 MW. The company went public on 26 Sep 2013.
Fliar Intelligence Index™ 76how this company ranks against its industry peers
Innovation
top 20%Funding
top 26%Product
top 26%Fin. health
top 29%Market
top 36%Growth
top 45%Innovation: 5 product lines
Funding: Raised $256M across 1 rounds · 1 rounds over 8 yrs (0.1/yr) · Last round Post IPO (Jun 2025)
Product: 5 distinct product lines · Company stage: Acquired
Audience (LinkedIn): 133k LinkedIn followers — 20.0% of this cohort's audience
Funding rounds
- Jun 2025Post IPO—
- Oct 2019Post IPO$256.1M
- Nov 2018Series A—
Investors
PSP Investments, CBRE Caledon, CAAT, APG
Tech stack
Apple Icloud MailCloudflareCloudflare Bot ManagementCookiebotDocusignFlickity
#3
Series D · Long Beach, California · founded 2022 · 10 employees$200Mraised▾
Series D · Long Beach, California · founded 2022 · 10 employees
Developer of solar energy projects. It specializes in renewable energy assets and sustainable energy solutions. The company focuses on developing, investing in, and operating renewable energy projects, aiming to contribute to a cleaner and more sustainable future.
Fliar Intelligence Index™ 19how this company ranks against its industry peers
Funding
top 32%Talent
bottom 49%Global
bottom 36%Market
bottom 24%Funding: Raised $200M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) · Last round Series D (Dec 2024)
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Global: Single-market focus (United States)
Audience (LinkedIn): 4k LinkedIn followers
Funding rounds
- Dec 2024Series D$200M
Founders & team
Investors
Crayhill
#4
Series A · Grass Valley, California · founded 2016 · 35 employees$6.7Mraised▾
Series A · Grass Valley, California · founded 2016 · 35 employees
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.
Fliar Intelligence Index™ 32how this company ranks against its industry peers
Growth
top 35%Talent
top 41%Funding
top 44%Moat
top 45%Tech
top 47%Global
bottom 37%Growth: Fresh capital in last 24 mo
Talent: Analyst team rating 4/5 · 1 named leader on record · 1 C-suite/founder profile curated
Funding: Raised $6.7M across 1 rounds · 1 rounds over 5 yrs (0.2/yr) · Last round Series A (Dec 2025)
Audience (LinkedIn): 5k LinkedIn followers
Funding rounds
- Dec 2025Series A$6.7M
- Oct 2024Series A—
- 2021Series A—
Founders & team
Investors
Southwire, Climate Capital, Data Point Capital, Launch Alaska, Village Capital, Valley Ventures Accelerator
Tech stack
Amazon SesAmazon Web ServicesCloudflareCloudflare Bot ManagementCore-JsElementor
#5
Acquired · San Francisco, California · founded 2022 · 31 employees$55Mraised▾
Acquired · San Francisco, California · founded 2022 · 31 employees
Developer of solar energy projects
Fliar Intelligence Index™ 62how this company ranks against its industry peers
Funding
top 35%Talent
bottom 49%Global
bottom 48%Funding: Raised $55.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Series C (Mar 2025)
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Global: Investors from 1 country beyond United States
Audience (LinkedIn): 6k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Director, Senior Director of Development
Activity (LinkedIn): 1 partnerships (incl. rPlus Energies team) announced in 12 mo
Funding rounds
- Mar 2025Series C$55M
Founders & team
Investors
Orsted
#6
Funding Raised · Oakland, California · founded 2001$22.6Mraised▾
Funding Raised · Oakland, California · founded 2001
Solar panel & products installation company
Fliar Intelligence Index™ 40how this company ranks against its industry peers
Growth
top 35%Tech
top 50%Funding
bottom 49%Talent
bottom 49%Global
bottom 37%Market
bottom 28%Growth: Fresh capital in last 24 mo
Tech: 29 technologies across 4/8 capability areas · Cloud: Cloudflare, Fastly · Devops: Nginx, Varnish
Funding: Raised $22.6M across 4 rounds · 4 rounds over 17 yrs (0.2/yr) · Last round Grant (prize money) (May 2025)
Audience (LinkedIn): 26k LinkedIn followers — 4.0% of this cohort's audience
Funding rounds
- May 2025Grant (prize money)$1.5M
- May 2025Grant (prize money)$20.1M
- Apr 2025Grant (prize money)$999.5K
- Sep 2009Grant (prize money)$15K
Founders & team
Investors
national service, U.S. Environmental Protection Agency, OSTI, REDF
Tech stack
Apple Icloud MailCampaign MonitorCart FunctionalityCloudflareDocusignDrupal
#7
Seed · Fremont, California · founded 2002 · 11 employees$881.6Kraised▾
Seed · Fremont, California · founded 2002 · 11 employees
Provider of power generation services intended for the design and production of microgrid setups for variable speed generator sets. The company offers a variable speed generator set (VSG) and microgrid platform, which redefines the way hybrid microgrids are deployed, providing industries with secure, clean, lower-cost dispatchable power deployed wherever it is needed, making the microgrid a compelling energy option.
Fliar Intelligence Index™ 5how this company ranks against its industry peers
Funding
bottom 45%Talent
bottom 45%Global
bottom 33%Growth
bottom 32%Market
bottom 10%Fin. health
bottom 10%Funding: Raised $882k across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Seed (Mar 2026)
Talent: 1 named leader on record
Global: Single-market focus (United States)
Funding rounds
- Mar 2026Seed$881.6K
Founders & team
Investors
Free Electrons
#8
Series A · San Carlos, California · founded 2022$8Mraised▾
Series A · San Carlos, California · founded 2022
Manufacturer of equipment and materials to replace silver on silicon solar cells with base metals. The company focuses on replacing silver with more abundant and cheaper materials. This approach aims to reduce the overall cost of solar modules. The company's work supports the scaling of solar power deployment.
Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 42%Talent
top 45%Global
bottom 48%Funding: Raised $8.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Seed (Aug 2025)
Talent: 2 named leaders on record
Global: Investors from 2 countries beyond United States
Audience (LinkedIn): 830 LinkedIn followers
Funding rounds
- Aug 2025Seed$8M
- Series A—
Founders & team
Investors
Voyager, Kibo Invest, Ahren, Pace Ventures, WovenEarth, Prelude Ventures
#9
Series B · Berkeley, California · founded 2021 · 8 employees$17.1Mraised▾
Series B · Berkeley, California · founded 2021 · 8 employees
Developer of automated robotic systems for renewable energy construction applications. The company focuses on automating labor-intensive processes within the renewable energy sector. It designs and builds robotic solutions to address challenges in construction. The company aims to increase efficiency and reduce labor demands in the field.
Fliar Intelligence Index™ 19how this company ranks against its industry peers
Talent
top 38%Funding
top 40%Tech
bottom 44%Global
bottom 37%Market
bottom 20%Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Funding: Raised $17.1M across 3 rounds · 3 rounds over 5 yrs (0.6/yr) · Last round Series B (Mar 2025)
Tech: 9 technologies across 3/8 capability areas · Cloud: Cloudflare · Security: Http/3
Audience (LinkedIn): 6k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Robotics Integration, Manufacturing
Funding rounds
- Mar 2025Series B$22M
- Jul 2024Series A$17M
- 2021Seed—
- 2021Seed$125K
Founders & team
Investors
Y Combinator, Climate Capital, UpHonest Capital, FoundersX Ventures, Soma Capital, E14 Fund
Tech stack
CloudflareCloudflare Browser InsightsGoogle Font ApiGoogle WorkspaceHttp/3Next.Js
#10
Series A · Los Angeles, California · founded 2020$3.9Mraised▾
Series A · Los Angeles, California · founded 2020
Provider of capital and development support for renewable energy projects. The company facilitates project execution by de-risking transactions and offering clear paths to closing. It offers professional support to contractors, developers, and businesses, increasing efficiency in all aspects of each transaction. The company provides access to early-stage capital, procurement lines, and engineering relationships.
Fliar Intelligence Index™ 37how this company ranks against its industry peers
Talent
top 45%Funding
bottom 48%Global
bottom 25%Talent: 2 named leaders on record
Funding: Raised $3.9M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Series A (Aug 2025)
Global: Single-market focus (United States)
Funding rounds
- Aug 2025Series A$3.9M
- Aug 2025Conventional Debt—
Founders & team
#11
Series C · San Diego, California · founded 2022 · 10 employees$36Mraised▾
Series C · San Diego, California · founded 2022 · 10 employees
Developer of solar and wind energy projects
Fliar Intelligence Index™ 19how this company ranks against its industry peers
Funding
top 36%Talent
bottom 49%Global
bottom 36%Market
bottom 20%Funding: Raised $36.0M across 2 rounds · 2 rounds over 4 yrs (0.5/yr) · Last round Conventional Debt (Nov 2024)
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Global: Investors from 2 countries beyond United States
Audience (LinkedIn): 781 LinkedIn followers
Activity (LinkedIn): 2 partnerships (incl. Igneo Infrastructure Partners) announced in 12 mo
Funding rounds
- Nov 2024Conventional Debt—
- Jan 2024Series C$25M
- Sep 2022Series C$36M
Founders & team
Investors
The Forest Road Company, Rabobank, Renova
#12
Funding Raised · San Diego, California · founded 2020$10.9Mraised▾
Funding Raised · San Diego, California · founded 2020
Manufacturer of heterojunction solar cells and modules for solar energy projects. It focuses on advancing multi-gigawatt cell and module manufacturing. The company develops advanced manufacturing capacity of HJT cells and modules. It emphasizes sustainability in operations, dedicated to the recyclability and sustainable production of solar cells and modules. The company aims to accelerate innovation in the solar manufacturing landscape, combining technology improvements with industry partnerships and customer collaboration in product design and downstream solutions.
Fliar Intelligence Index™ 24how this company ranks against its industry peers
Talent
bottom 49%Funding
bottom 41%Global
bottom 25%Talent: 1 named leader on record · 1 C-suite/founder profile curated
Funding: Raised $10.9M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Grant (prize money) (Apr 2025)
Global: Single-market focus (United States)
Audience (LinkedIn): 956 LinkedIn followers
Funding rounds
- Apr 2025Grant (prize money)$10.9M
Founders & team
Investors
Miteco
Funding & investor landscape
$12Btotal disclosed funding
154companies funded
544disclosed rounds
1rounds last 90 days
Most active investors
Notable founders
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Max Etoile
Co-Founder & CTO · Photara
Brian Hardin
Co-Founder & CEO · Photara
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Co-Founder & CEO · Charge Robotics
Max Justicz
Co-Founder · Charge Robotics
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Jeremy Horton
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Jared Quient
Founder and Managing Partner · Pathway Power
Prism market signals · United States · country-scoped Prism corpus, 675,620 docs
Market landscape — 10 sub-themes by coverage
Share of Solar Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
RESEARCH IN CALIFORNIA · Energy
How research on Solar Pv in California is moving
A read on the academic research around Solar Pv in California — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 403 papers.
UC Berkeley, UCSB, and Caltech lead California's solar-PV research, focusing on perovskite materials and organic photovoltaics with a cautiously optimistic tone (mean stance 0.48).
403 papers · stance +0.48 · 33% breakthrough · 15% concern
top institutions
- University of California, Berkeley68
- University of California, Santa Barbara56
- California Institute of Technology55
- University of California, Los Angeles54
- University of California, Davis44
leading researchers
Harry A. Atwater · Thuc‐Quyen Nguyen · Alan J. Heeger · Yang Yang · Sarah R. Cowan · Vivian E. Ferry
prism intelligence · tone & topics
96% positive · 1% critical tone
EnergyEnvironmentSustainabilityBusinessMaterials ScienceSpace Exploration
▲
Breakthroughs116 · 29%
▼ 30%→25% share
▼0.8× share momentum127 median citations44% since 2021mostly methods-led
Thermal energy storage and heliostat research newly emerging, signaling concentrated solar expansion beyond conventional PV.
rising sub-themes (early→recent)
- Photovoltaic system2→11
- Solar energy5→13
- Thermal1→6
- Renewable energy2→5
- Electricity1→3
Newly emergingThermal energy storage 0→4 · Heliostat 0→4 · Coating 0→3
Landmark A polymer tandem solar cell with 10.6% power conversion efficiency · 2,769 cites
◆
Advancements184 · 46%
▼ 49%→45% share
▼0.9× share momentum116 median citations51% since 2021mostly empirical
Renewable energy advancement papers surged 3->26, reflecting intensifying California grid-integration focus.
rising sub-themes (early→recent)
- Renewable energy3→26
- Solar energy8→23
- Photovoltaic system17→28
- Electricity1→7
- Electricity generation2→7
Newly emergingThermal 0→5 · Energy storage 0→5 · Battery (electricity) 0→5
Landmark Interface engineering of highly efficient perovskite solar cells · 6,552 cites
▼
Concerns53 · 13%
▲ 12%→14% share
▲1.2× share momentum24 median citations53% since 2021mostly empirical
Climate change newly flagged; land-use and land-cover concerns both rising, signaling siting pressure intensifying.
rising sub-themes (early→recent)
- Solar energy5→11
- Photovoltaic system1→4
- Renewable energy3→5
- Land cover1→3
- Land use1→3
Newly emergingClimate change 0→3
Landmark Electrochemical Considerations for Determining Absolute Frontier Orbital Energy Levels of Conjugated Polymers for Solar · 2,072 cites
Common questions
How many Solar Energy companies are there in California, United States?
Radar tracks 518 indexable Solar Energy companies headquartered in California, United States that meet our profile-completeness bar.
What is the total funding raised by Solar Energy companies in California, United States?
The Solar Energy companies in California, United States on this list have raised a combined $12B in disclosed equity funding across 154 funded companies.
Which is the highest-funded Solar Energy company in California, United States?
SolarCity is the highest-funded Solar Energy company in California, United States, with $1.3B in disclosed equity funding.
How many Solar Energy companies in California, United States are funded?
154 of the 518 Solar Energy companies in California, United States on this list have disclosed at least one equity funding round.
How many Solar Energy unicorns are there in California, United States?
1 Solar Energy company in California, United States on this list is valued at $1B or more.
Who are the top investors in California, United States Solar Energy companies?
The most active investors in California, United States Solar Energy companies on this list include OSTI, DOE, CalSEED, National Science Foundation, DBL Partners.
Riya SenguptaFinancials
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.