Best Energy Companies in Adelaide, Australia
The 31 best Energy companies in Adelaide, Australia in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Cooper Energy.
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 Adelaide
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cooper Energy Producer and marketer of domestic natural gas | $126M | 115 mo ago | Public | Jane Norman Managing Director and Chief Executive Officer | 2002 | — | — | — |
| 2 | Westside Energy Turnkey solar project developer | $45M | — | Funding Raised | Wayne Irvine CEO & Director | 2017 | — | — | — |
| 3 | IonDrive Provider of energy storage solutions using aqueous sodium batteries | $6M | 23 mo ago | Public | Ebbe Dommisse CEO | 2023 | WordPressMySQLPHP+23 | — | — |
| 4 | Green Frog Systems Manufacturer of commercial solar lighting systems with intelligent battery management solutions | $750K | 103 mo ago | Funding Raised | — | 2011 | WordPressMySQLPHP+35 | — | — |
| 5 | Altona Energy Coal mining and exploration company | $713K | 129 mo ago | Late Stage | — | 2005 | — | — | — |
| 6 | Power Diverter Developer of energy management system | $243K | 137 mo ago | Seed | Daniel Lawes Business Owner | 2014 | Wix eCommerceCart FunctionalityWix+17 | — | — |
| 7 | Santos Provider of natural gas exploration, production, and distribution services | — | 94 mo ago | Public | — | 1954 | WordPressSentryMySQL+21 | 9 patents Gas content measurement technologies for unconventional reservoir rocks | — |
| 8 | Beach Energy Provider of oil & gas exploration and production services | — | 131 mo ago | Public | — | 1961 | WordPressSentryBugHerd+18 | — | — |
Top 8 Energy companies in Adelaide
#1
Public · Adelaide, South Australia · founded 2023$5.9Mraised▾
Iondrive is a company focused on providing next-generation energy storage solutions using aqueous sodium batteries. They are targeting sites in multiple countries including South Korea, Quebec, US, Australia, and Africa. They have also accelerated a pre-feasibility study and raised $2 million to advance battery recycling technology.
- Dec 2024Post IPO$3.9M
- Jun 2024Post IPO$2M
#2
Public · Adelaide, South Australia · founded 2002 · 131 employees$125.9Mraised▾
Producer and marketer of domestic natural gas. This company engages in the exploration, development, and production of natural gas. It also markets the gas domestically. The company is committed to responsible environmental practices, including carbon neutral certification. Its operations include project management and community engagement. The company's focus is on Australian energy markets.
- Mar 2017Post IPO$112.4M
- May 2016Post IPO$13.5M
#3
Funding Raised · Adelaide, South Australia · founded 2017$45Mraised▾
Westside Energy provides turnkey development solutions to the solar energy sector. Provides solar PV installations, energy storage solutions, off-grid systems and others for residential and commercial customers. Services include design, engineering, construction, monitoring, maintenance and others. Also provides standby generators.
- Conventional Debt$45M
#4
Funding Raised · Adelaide, South Australia · founded 2011$750Kraised▾
Manufacturer of commercial solar lighting systems with intelligent battery management solutions
- Mar 2018Grant (prize money)$750K
#5
Late Stage · Adelaide, South Australia · founded 2005 · 14 employees$712.9Kraised▾
Coal mining and exploration company
- Jan 2016Post IPO$712.9K
#6
Seed · Adelaide, South Australia · founded 2014 · 2 employees$242.7Kraised▾
Power Diverter is a UK based designer and developer of Powerdiverter which maximizes the use of excess electricity generated by the PV system. Stores the surplus energy generated by the system in the form of hot water in the water tank, instead of sending it to the electricity grid. Provides three-year warranty.
- May 2015Seed$61.7K
- Oct 2014Seed$48.2K
- Apr 2014Seed$132.8K
#7
Public · Adelaide, South Australia · founded 1954 · 3550 employees—raised▾
In 2022, the company recorded annual revenues of $7.9B and a net profit of $2.1B.
#8
Public · Adelaide, South Australia · founded 1961 · 214 employees—raised▾
Provider of oil & gas exploration and production services
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 Adelaide is moving
A read on the academic research around Energy Storage in Adelaide — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 84 papers.
- The University of Adelaide75
- University of Adelaide9
- Electrolyte1→10
- Aqueous solution1→9
- Battery (electricity)1→7
- Cathode1→6
- Electrochemistry2→4
- Nanotechnology2→3
- Renewable energy1→5
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.