Best Energy Companies in Los Angeles, United States
The 80 best Energy companies in Los Angeles, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: California Resources Corporation.
Our analysis of 171 Energy companies
$71.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Los Angeles
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3Insys Online platform offering data management solutions | — | — | 21 | 2011 | — | — | — | — |
| 2 | Absolutely Solar Solar energy consultant providing comprehensive solutions for diverse properties and projects | — | — | — | 2003 | Peter Weich CEO & President | — | — | — |
| 3 | ACCLAIM LIGHTING Manufacturer of architectural and entertainment lighting systems. | — | — | — | 2001 | — | Top 5M | — | 3 launchs |
| 4 | ArtGreen Construction Turnkey solar project developer on a distributed scale | — | — | — | 2004 | Haim Vagas CEO | — | — | — |
| 5 | ATG Electronics Provider of category management services for trading cards and collectibles | — | — | 31 | 2001 | — | — | — | — |
| 6 | B2U Storage Solutions Provider of large-scale energy storage systems | — | — | 14 | 2019 | — | Top 50M | 14 patents Second‑life EV battery packs for grid‑scale energy storage and management. | 2 partnerships |
| 7 | Benjamin Smart Power Manufacturer of DMX control & portable distro panels and RDM tester software | — | — | — | 2002 | — | — | — | — |
| 8 | BigBattery Retailer of solar powered products | — | — | 50 | 2001 | — | Top 1M | — | — |
Top 12 Energy companies in Los Angeles
#1
Series D · Los Angeles, California · founded 2019 · 34 employees$55Mraised▾
Developer of portable nuclear microreactors designed to replace diesel generators. The company offers a compact reactor with equipment to generate electricity. The reactors leverage air cooling and high-speed turbomachinery. The units can provide thermal power for facility heating or water desalination. The fuel is designed to be meltdown-proof. The reactors are assembled, fueled, and tested in the factory. After fuel depletion, the entire container is shipped back for refueling.
- Dec 2025Series D$300M
- Feb 2025Series C$66M
- Oct 2024Series C$100M
- Apr 2023Series B$40.7M
#2
Series B · Los Angeles, California · founded 2023$38.1Mraised▾
Antares Industries is a company focused on providing abundant energy from Earth to the Asteroid Belt. They are building micro-sized nuclear reactors to power remote off-grid locations.
- Dec 2025Series B—
- Dec 2025Conventional Debt$25M
- Sep 2025Series B$71M
- Sep 2024Series A$30M
#3
Series A · Los Angeles, California · founded 2020$3.9Mraised▾
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.
- Aug 2025Series A$3.9M
- Aug 2025Conventional Debt—
#4
Series A · Los Angeles, California · founded 2022 · 8 employees$8.5Mraised▾
Provider of decarbonizing services for buildings with geothermal heating and cooling
- Jan 2025Series A$12M
- Oct 2023Seed$8.5M
- Jul 2022Seed—
#5
Public · Los Angeles, California · founded 2014 · 970 employees$1.6Braised▾
Provider of oil & gas exploration and production services
- Oct 2019Series C$500M
- 2018Series B—
- Feb 2018Series B$50M
- Mar 2017Seed—
#6
Acquired · Los Angeles, California · founded 2009 · 147 employees$400Mraised▾
8minute is a provider of solar energy storage solutions. It offers hybrid (Solar energy+Storage) as well as standalone storage solutions. Has developed several solar projects in the US with power generation capacity ranging from 19MW to 329 MW.
- Jan 2022Conventional Debt—
- Jan 2022PE$400M
- Dec 2020Conventional Debt$125M
- Jun 2020Conventional Debt$225M
#7
Deadpooled · Los Angeles, California · founded 2007 · 59 employees$937.4Mraised▾
SolarReserve develops large scale solar projects and has commercialized a proprietary advanced solar thermal technology with integrated energy storage. The company has more than $1.8 billion of projects in construction and operation worldwide, with development and long-term power contracts for 482 megawatts (MW) of solar projects as of sept 2015.
- Jul 2017Grant (prize money)$2M
- Sep 2015Series C$19.4M
- Sep 2015Grant (prize money)$2.4M
- Nov 2012Series C$586M
#8
Public · Los Angeles, California · founded 2012 · 7 employees$81.1Mraised▾
Oil and gas exploration and production company
- Aug 2022Post IPO$900K
- Jun 2022Post IPO$18K
- Jul 2021Post IPO$142.7K
- Mar 2021Post IPO$22.7K
#9
Series A · Los Angeles, California · founded 2019 · 295 employees$405.5Kraised▾
Developer of solar energy projects
- Sep 2024Series A$363.2K
- Dec 2020Seed$14K
- Nov 2020Seed$28.3K
#10
Funding Raised · Los Angeles, California · founded 2016$17.2Mraised▾
Arensis is a provider energy generation systems using biomass in the form of pellets and chips for with both hardware and software is provided as part of the solutions offered. Systems are known as ENTRADE waste2energy solutions which are integrated with solar and battery storage systems to provide energy throughout the day. This decentralized utility system is wholly web-based and can be used via mobile applications.
- Aug 2018Conventional Debt$17.2M
#11
Public · Los Angeles, California · founded 1985 · 54 employees$3.1Mraised▾
PetroQuest Energy, Inc. is an independent energy company engaged in the exploration, development, acquisition and production of oil and natural gas reserves in East Texas, Arkoma Basin, South Louisiana and the shallow waters of the Gulf of Mexico.
#12
Acquired · Los Angeles, California · founded 2007 · 29 employees$1.3Mraised▾
Noribachi is a LED manufacturer for high output commercial and industrial lighting solutions. It applies a Bespoke Engineered & Specifically Tailored (BEST) methodology to deliver LED light applications. Their Surface Mount Technology (SMT) production line enables to fabricate a variety of common lighting unit (CLU) shapes efficiently, which are incorporated with high quality drivers and heat sinks into a rigorously designed system.
- Apr 2016Series A—
- Sep 2015Venture Debt—
- Nov 2011Seed$100K
- Oct 2011Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in the United States
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 5,941 United States-affiliated papers.
- Electric Power Research Institute204
- Pacific Northwest National Laboratory202
- Argonne National Laboratory193
- Northeastern University151
- Massachusetts Institute of Technology124
- Battery (electricity)57→359
- Electrolyte37→318
- Electrochemistry30→240
- Cathode32→224
- Anode37→209
- Renewable energy40→492
- Battery (electricity)59→507
- Power (physics)8→227
- Electrolyte27→244
- Electrochemistry37→240
- Battery (electricity)35→184
- Renewable energy24→156
- Electrolyte13→114
- Electrochemistry10→80
- Cathode9→72
Where energy storage is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing energy storage patents in the United States
United States energy storage patent filing is accelerating — 8,522 filings from 3,681 assignees (2016–2025), led by General Electric, ESS Technology, GM Global TECH Operations; annual filings 687→1058.
- General Electric592
- ESS Technology276
- GM Global TECH Operations233
- Fastcap Systems205
- UNIV California180
- Rondo Energy157
- United Technologies154
- Battelle Memorial Institute146
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.