Top energy & environment suppliers to government in South Australia

551 awarded contracts, $2.7B in total

Ranked by contract value

1. ZEN Energy1 contract · $1.5B
2. Enerven1 contract · $335.2M
3. Origin Energy66 contracts · $221.4M
4. SIMEC ZEN Energy Retail Pty Ltd1 contract · $127.2M
5. Origin Energy Electricity Pty Ltd5 contracts · $87.8M
6. CLEANAWAY WASTE MANAGEMENT LIMITED2 contracts · $51.0M
7. Leed Engineering and Construction1 contract · $31.6M
8. AGL Energy4 contracts · $26.5M
9. CRC CARE PTY LTD3 contracts · $17.8M
10. The Nature Conservancy Limited ATF The Nature Conservancy Australia Trust2 contracts · $13.2M
11. KANGAROO ISLAND LANDSCAPE BOARD7 contracts · $12.5M
12. SOUTH AUSTRALIAN MURRAY-DARLING BAS NATURAL RESOURCES MANAGEMENT BOARD2 contracts · $12.5M
13. RAA INNOVATION PTY LTD1 contract · $12.4M
14. Coffey International Development3 contracts · $12.1M
15. McMahon Services Australia4 contracts · $10.6M
16. South East Natural Resources Management Board1 contract · $10.6M
17. ALINYTJARA WILURARA NATURAL RESOURC MANAGEMENT BOARD1 contract · $9.2M
18. Murraylands & Riverland Landscape Board21 contracts · $8.7M
19. SOUTH EAST AUSTRALIA GAS PTY LTD1 contract · $7.6M
20. AECOM7 contracts · $7.5M
21. Adelaide and Mount Lofty Ranges NRM Board1 contract · $7.5M
22. Northern and Yorke Natural Resource Management Board1 contract · $7.5M
23. Eyre Peninsula Natural Resources Management Board1 contract · $7.4M
24. Elgas Limited12 contracts · $7.4M
25. Aerotech First Response Pty Ltd1 contract · $7.2M
26. SOUTH AUSTRALIAN ARID LANDS LANDSCAPE BOARD6 contracts · $6.9M
27. DEPARTMENT OF PRIMARY INDUSTRIES AND REGIONS2 contracts · $6.4M
28. South Australian Arid Lands Natural Resources Management Board1 contract · $6.1M
29. PARAKEELYA PTY LTD2 contracts · $5.6M
30. RIGIN ENERGY ELECTRICITY LIMITED1 contract · $5.1M
31. WORKSKIL AUSTRALIA LTD.3 contracts · $4.7M
32. MC Dredging and Port Development Pty Ltd1 contract · $4.4M
33. Secure Meters (Australia) Pty Ltd1 contract · $3.5M
34. Baulderstone Pty Ltd1 contract · $3.5M
35. KANGAROO ISLAND NATURAL RESOURCES MANAGEMENT BOARD2 contracts · $3.4M
36. South Australian Murray-Darling Basin Natural Resources Management Board8 contracts · $3.4M
37. ALINYTJARA WILURARA LANDSCAPE BOARD3 contracts · $3.2M
38. Central Civil and Plumbing1 contract · $3.0M
39. Suntrust Pty Ltd trading as Suntrix Pty Ltd2 contracts · $2.9M
40. Kellogg Brown & Root Pty Ltd2 contracts · $2.9M
41. Energy Exemplar3 contracts · $2.8M
42. Limestone Coast Landscape Board3 contracts · $2.8M
43. Intract Australia2 contracts · $2.7M
44. Origin Energy LPG Limited3 contracts · $2.6M
45. GPA ENGINEERING PTY LTD2 contracts · $2.5M
46. Cleanaway4 contracts · $2.5M
47. Nature Foundation of SA7 contracts · $2.3M
48. TESLA MOTORS AUSTRALIA PTY LTD2 contracts · $2.3M
49. KLEINFELDER AUSTRALIA PTY LTD3 contracts · $2.2M
50. PIRSA3 contracts · $2.0M

Who buys energy & environment in South Australia

Procurement SA4 contracts · $1.6B
SA Water Corporation7 contracts · $379.8M
Department of Defence165 contracts · $277.9M
CSIRO8 contracts · $165.9M
Department of Climate Change, Energy, the Environment and Water Original Agency: Department of Agriculture, Fisheries and Forestry39 contracts · $90.3M
Department for Education1 contract · $49.4M
Department for Energy and Mining23 contracts · $47.0M
Department of Climate Change, Energy, the Environment and Water50 contracts · $33.2M
Department for Environment and Water9 contracts · $22.1M
Department of Foreign Affairs and Trade - Australian Aid Program12 contracts · $13.9M

Recently awarded energy & environment contracts in South Australia

Hire of Generators to Department of DefenceONSITE RENTAL GROUP OPERATIONS PTY LTD · Department of Defence · $17K · 3 Aug 2026
Developed three Contamination Management Plans for the Department of Climate Change, Energy, the Environment and WaterKleinfelder Australia Pty LTD [983] · Department of Climate Change, Energy, the Environment and Water · $225K · 17 Aug 2026
Chemical Spill Cleanup and Disposal Services to Department of Home AffairsUNIVERSAL HAZMAT SOLUTIONS PTY LTD · Department of Home Affairs · $30K · 8 Sep 2026
Generator awarded to BABCOCK PTY LTD by Department of DefenceBABCOCK PTY LTD · Department of Defence · $240K · 24 Aug 2026
Disposal Services awarded to MCMAHON SERVICES AUSTRALIA PTY LTD by Department of DefenceMCMAHON SERVICES AUSTRALIA PTY LTD · Department of Defence · $141K · 27 Aug 2026
Supply of Fuels to Department of Defence (awarded to SPUD'S ROADHOUSE)SPUD'S ROADHOUSE · Department of Defence · $13K · 24 Aug 2026
Remediation Works Contract Awarded to MCMAHON SERVICES AUSTRALIA PTY LTD by Department of DefenceMCMAHON SERVICES AUSTRALIA PTY LTD · Department of Defence · $9.8M · 20 Aug 2026
Procured a Solar Simulator for Department of Health, Disability and AgeingThe trustee for Newspec Unit Trust T/A NewSpec · Department of Health, Disability and Ageing · $116K · 28 Aug 2026
Replacement Diesel Generator Procured for KIP39 CTBT StationDiesel Generator Services · Australian Radiation Protection and Nuclear Safety Agency · $30K · 14 Jul 2026
Delivery of Commonwealth environmental water to Renmark wetlands in 2026-27TTF RENMARK IRRIGATION TRUST · Department of Climate Change, Energy, the Environment and Water · $243K · 1 Jul 2026

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