Best Energy Companies in Sydney, Australia
The 119 best Energy companies in Sydney, Australia in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: APA Group.
Our analysis of 441 Energy companies
$135.1b in tracked funding; 76% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Sydney
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | APA Group Gas transmission and distribution company | $4.1B | 73 mo ago | Public | — | 2000 | Node.jsAzure Front DoorAzure+13 | 1 partnership |
| 2 | Ausgrid Electricity distribution company | $1.1B | 84 mo ago | Acquired | — | 2009 | SitecoreApple iCloud MailMicrosoft 365+25 | 1 job opening |
| 3 | Infigen Energy Renewable Energy Developers | $473M | 70 mo ago | Acquired | Ross Rolfe CEO & MD | 2003 | — | — |
| 4 | Silex Provider of laser based semiconductor materials | $123M | 34 mo ago | Public | Michael Goldsworthy Founder & CEO & MD | 1988 | Amazon ALBAmazon Web ServicesNetlify+11 | — |
| 5 | Goldwind Australia Solar and wind farm developers | $7M | 69 mo ago | Funding Raised | — | 2009 | — | — |
| 6 | Barefoot Power Manufacturer and distributor of solar-powered assets for off-grid communities | $6M | 100 mo ago | Series B | — | 2005 | — | — |
| 7 | Aquila Provider of energy network building and operating services | $5M | 23 mo ago | Seed | Billy Jeremijenko Co-Founder & CEO | 2022 | Cart FunctionalitySquarespace CommerceSquarespace+15 | 1 job opening |
| 8 | NRN Renewable energy infrastructure business that aims to create a greener future by providing greater access to… | $3M | 10 mo ago | Series A | — | 2019 | WordPressMySQLPHP+25 | — |
| 9 | Epho Provider of commercial solar PV installation and maintenance services | $497K | 78 mo ago | Acquired | Oliver Hartley CEO & MD | 2013 | — | — |
Top 12 Energy companies in Sydney
#1
Series A · Sydney, New South Wales · founded 2019 · 11 employees$3.4Mraised▾
NRN (National Renewable Network) is an Energy Infrastructure business in Australia that aims to create a greener and more sustainable future by providing greater access to renewable energy plans. They help Australians protect themselves from rising energy costs and lower emissions.
- Aug 2025Conventional Debt$32.6M
- Aug 2025Series A$11.2M
- Jun 2024Seed$1M
- Dec 2023Seed$2.4M
#2
Public · Sydney, New South Wales · founded 2000 · 16000 employees$4.1Braised▾
APA Group is an Australian public oil and gas company. The company focuses on gas transmission and distribution. The company operates network of gas pipelines across Australia. The company is also involved in gas storage.
- May 2020Grant (prize money)$1.1M
- Nov 2014Conventional Debt$4.1B
#3
Seed · Sydney, New South Wales · founded 2022 · 6 employees$5Mraised▾
Provider of energy network building and operating services
- Jun 2024Seed$2M
- Jun 2023Seed$3M
#4
Public · Sydney, New South Wales · founded 1988 · 38 employees$123.3Mraised▾
Provider of laser based semiconductor materials
- Aug 2023Grant (prize money)$3.3M
- Feb 2023Post IPO$120M
#5
Acquired · Sydney, New South Wales · founded 2009 · 2216 employees$1.1Braised▾
Electricity distribution company
- Jun 2019Conventional Debt$1.1B
#6
Acquired · Sydney, New South Wales · founded 2003 · 550 employees$473Mraised▾
Infigen Energy is a developer, owner and operator of renewable energy generation in Australia. The company owns six wind farms and a solar farm with a combined installed capacity of 557 MW operating in New South Wales, South Australia and Western Australia.
- Jul 2020Post IPO—
- Apr 2018Conventional Debt$473M
#7
Funding Raised · Sydney, New South Wales · founded 2009$7.2Mraised▾
Golwin Australia is a solar and wind farm developer. Offers investment, construction, and operation and maintenance services. Project portfolio includes Gullen Range wind farm with a capacity of 165.5MW in New South Wales, 19.5MW Mortons Lane wind farm in Western Victoria and a 20MW White Rock solar farm in New England Tablelands.
- Aug 2020Grant (prize money)$7.2M
#8
Series B · Sydney, New South Wales · founded 2005 · 72 employees$6Mraised▾
Manufacturer and distributor of solar-powered assets for off-grid communities. This company designs and manufactures solar home systems and portable solar lighting solutions. These products are specifically engineered to meet the needs of households and communities lacking reliable electricity access. The focus is on providing sustainable energy solutions that also generate income opportunities. The company offers a range of products, including portable solar lamps and larger solar home systems.
- Feb 2018Grant (prize money)—
- Jul 2012Series B$6M
- Nov 2011Series A—
#9
Acquired · Sydney, New South Wales · founded 2013$497Kraised▾
Epho is a New South Wales-based commercial solar PV system installer and commissioner. Offers other multiple solutions like planning, designing, repairing and maintenance of the systems. Developed a 1MW rooftop solar system in Brendale, a 6MW power rooftop systems for Brisbane Airport, a 100kW solar power plant in Horsley Park etc.
- Dec 2019Grant (prize money)$497K
#10
Public · Sydney, New South Wales · founded 1998—raised▾
Developer of clean energy projects leveraging existing oil and gas assets. It develops competitive clean energy projects by repurposing existing oil and gas infrastructure. This includes the development of carbon management projects, hydrogen and clean ammonia production, and offshore carbon storage. The company utilizes its existing energy industry experience and partnerships to implement its business strategy. A focus is on the transition to clean energy sources.
#11
Seed · Sydney, New South Wales · founded 2013 · 7 employees—raised▾
Provider of solar& wind -as-a-service systems on a residential and commercial scale
- Aug 2023Conventional Debt—
- Aug 2023Seed—
#12
Public · Sydney, New South Wales · founded 1999—raised▾
Metgasco is involved in the exploration, appraisal, development, and production of natural gas. Has 10% interest in Bivouac Peak Louisiana hydrocarbon project in partnership with Byron Energy which claims to contain 32,270 MBOE hydrocarbons.
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 Energy Storage in Sydney is moving
A read on the academic research around Energy Storage in Sydney — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 319 papers.
UNSW Sydney, UTS, and the University of Sydney lead Sydney's battery materials and supercapacitor research, with recent output surging post-2020 and a cautiously optimistic tone.
- UNSW Sydney163
- University of Technology Sydney107
- The University of Sydney58
- University of Sydney14
- Western Sydney University1
- Electrolyte2→20
- Electrochemistry3→20
- Carbon fibers1→12
- Battery (electricity)4→14
- Cathode2→12
- Renewable energy3→27
- Battery (electricity)3→20
- Electrochemistry2→14
- Photovoltaic system2→13
- Nanotechnology2→11
- Battery (electricity)2→10
- Electrochemistry1→6
- Energy density1→3
- Lithium (medication)2→3
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.