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Solar STC Leaderboards

Leaderboards built from the REC Registry public register. Filter by energy type, system size and state to see who leads Australia's STC market.

YearPeriod

1 Jan to 12 Oct 2026·Updated 2026-10-12

STC Volume (2026 YTD): 34,613,775; Certificates created
Estimated Capacity: 5,092,783 kW; Derived from STC volume
Installations (2026 YTD): 273,013; Unique accreditations

Leaderboards

Compare retailers by STC volume or installation count across National.

Energy typeSystem sizeState / territory

#	Company	STC volume	Est. kW	Market share
1	FORMBAY TRADING PTY LTD	6,124,923	895,902 kW	29.2%
2	ONE STOP WAREHOUSE FINANCE PTY LTD	3,513,277	505,665 kW	16.7%
3	GB Environmental Trading Pty Ltd	1,345,195	196,991 kW	6.4%
4	Habitat Energy Systems Pty Ltd	744,309	108,231 kW	3.5%
5	Sun Retail Pty Ltd	702,197	100,578 kW	3.3%
6	ACHIEVERS ENERGY GROUP PTY LTD	613,357	90,074 kW	2.9%
7	Peter Maganiotis	585,906	83,600 kW	2.8%
8	Solsmart Pty Ltd	545,325	79,576 kW	2.6%
9	Green Energy Trading Pty Ltd	450,095	65,466 kW	2.1%
10	Renewable Energy Direct	339,222	49,683 kW	1.6%
11	RecTraders Aust Pty Ltd as the Trustee for RecTraders Aust Unit Trust	337,521	48,559 kW	1.6%
12	ENERGYBUILD PTY LTD	330,212	51,272 kW	1.6%
13	RETA (WA) Pty Ltd	282,399	37,366 kW	1.3%
14	LUXCO ENERGY PTY. LTD.	239,279	34,088 kW	1.1%
15	Trade In Green Pty Ltd	188,382	27,560 kW	0.9%
16	QUICKFORM TRADES PTY LTD	180,103	25,889 kW	0.9%
17	Green Energy Technologies Pty Ltd	119,007	17,052 kW	0.6%
18	AUS SOLAR ENERGY GROUP PTY LTD	98,715	14,699 kW	0.5%
19	SOLA NOW PTY LTD	97,098	12,948 kW	0.5%
20	Aspire Energy pty ltd	87,871	12,374 kW	0.4%
21	Imeri Group Pty Ltd T/A STC Xchange	83,126	12,983 kW	0.4%
22	Energy Aware Pty Ltd as the trustee for The Energy Aware Unit Trust	78,078	10,601 kW	0.4%
23	Venergy Pty Ltd	70,456	9,777 kW	0.3%
24	The Trustee for The DJR Trust t/a STC Trade	70,055	9,924 kW	0.3%
25	Diamond Energy Pty Ltd	69,092	9,945 kW	0.3%
26	Chromagen Australia Pty Ltd	68,736	10,779 kW	0.3%
27	Springers Consulting Services Proprietary Limited	67,105	9,653 kW	0.3%
28	SAE Group Pty Ltd	65,129	9,306 kW	0.3%
29	Solargain PV Pty Ltd	61,708	8,170 kW	0.3%
30	BELL SOLAR PTY LTD	59,296	8,635 kW	0.3%
31	CLEAN ENERGY PRODUCTS PTY LTD	57,807	8,351 kW	0.3%
32	SOLAR PANDA PTY LTD	56,397	8,012 kW	0.3%
33	Solgreen Energy Pty Ltd	53,350	7,468 kW	0.3%
34	INVINCIBLE ENERGY PTY LTD	52,848	8,502 kW	0.3%
35	Solar System Pty Ltd	52,811	7,489 kW	0.3%
36	Rec Services Pty Ltd	51,592	7,282 kW	0.2%
37	ROCKET SALES PTY. LTD.	50,802	8,259 kW	0.2%
38	CREATIVE16 PTY LTD	49,168	7,003 kW	0.2%
39	Demand Manager Pty Ltd	48,793	6,335 kW	0.2%
40	Sel Absolute Return Fund Pty Limited	48,577	7,000 kW	0.2%
41	RYDE ENERGY PTY. LTD.	48,051	6,878 kW	0.2%
42	Tindo Operations Co Pty Ltd	43,590	6,171 kW	0.2%
43	Anthony Roberts Holdings Pty Ltd T/A STC Trading Australia	42,757	6,146 kW	0.2%
44	SOLAR CONNECTED Pty Ltd	40,349	5,920 kW	0.2%
45	1 SOLAR AUSTRALIA PTY LTD	38,546	5,468 kW	0.2%
46	ATHENA INTERNATIONAL TRADING PTY. LTD.	38,362	5,544 kW	0.2%
47	Ecovantage Pty Ltd	35,621	5,527 kW	0.2%
48	Ozzy Fortune Group Pty Ltd	35,611	4,874 kW	0.2%
49	GEM ENERGY AUSTRALIA PTY LTD	35,198	4,632 kW	0.2%
50	MP SOLAR PTY LTD	35,020	5,049 kW	0.2%
51	SAVING EARTH PTY LTD	34,014	5,682 kW	0.2%
52	ADS PTY LTD	33,286	4,996 kW	0.2%
53	CREDITEX PTY LTD	33,071	4,827 kW	0.2%
54	Solar warehouse Pty Ltd	32,831	5,364 kW	0.2%
55	NORTHMORE GORDON ENVIRONMENTAL PTY LTD	32,445	5,235 kW	0.2%
56	INTEGRA Energy Group Pty Ltd	32,350	5,264 kW	0.2%
57	H and M Global PTY LTD	30,596	5,048 kW	0.1%
58	SMR PARTNERS PTY LTD	29,932	4,277 kW	0.1%
59	Sustainable Business Energy Solutions Pty Ltd (t/a AGL Energy Solutions)	28,784	4,042 kW	0.1%
60	GREEN POWER PLANET PTY LTD	28,470	4,098 kW	0.1%
61	ZICOM PTY. LTD. t/a SOLARFOREVER AUSTRALIA	28,146	4,486 kW	0.1%
62	BLINK ECOSYSTEM PTY LTD	27,653	4,299 kW	0.1%
63	THE GREEN MINER PTY. LTD.	27,482	4,255 kW	0.1%
64	My Energy Group Pty Ltd	27,274	3,893 kW	0.1%
65	Solar Junction Pty Ltd	26,791	3,744 kW	0.1%
66	Salesvision Pty Ltd TA Solar Spirit	26,592	4,063 kW	0.1%
67	SOLAHART INDUSTRIES PTY. LTD.	25,854	3,417 kW	0.1%
68	GO SOLAR GROUP PTY. LTD.	24,985	3,433 kW	0.1%
69	Goodhew PTY LTD	24,471	3,515 kW	0.1%
70	VICTORY INTERNATIONAL MARKETING PTY LTD Trading as SOLAR HARBOUR	23,684	3,404 kW	0.1%
71	Wallandale Pty Ltd	23,659	3,407 kW	0.1%
72	RJ&HR PTY LTD	23,288	2,954 kW	0.1%
73	Six Star plus Pty Ltd	23,041	3,720 kW	0.1%
74	VIVEKTA PTY LTD	22,386	3,321 kW	0.1%
75	AUS RENEWABLE DEVELOPMENT GROUP PTY LTD	19,862	2,825 kW	0.1%
76	GREEN ELECTRIC SOLUTIONS PTY LTD	19,569	3,200 kW	0.1%
77	Technaus Pty Ltd	19,454	2,849 kW	0.1%
78	EVANS ELECTRICAL CONTRACTING PTY LTD	18,555	2,621 kW	0.1%
79	ZENSUN ENERGY PTY LTD	18,179	2,553 kW	0.1%
80	HAS ENERGY PTY LTD	17,606	2,861 kW	0.1%
81	Sunrun Solar Pty Ltd	17,277	2,829 kW	0.1%
82	ESSENTIAL SOLAR FINANCE PTY LTD	17,176	2,849 kW	0.1%
83	Starfish Energy Pty Ltd	16,983	2,770 kW	0.1%
84	Tru Blu Solar Co	16,834	2,425 kW	0.1%
85	EC FOCUS PTY. LTD.	16,744	2,278 kW	0.1%
86	AADYA ENTERPRISES PTY. LTD.	16,625	2,719 kW	0.1%
87	STCCRM SYSTEMS PTY LTD	16,624	2,406 kW	0.1%
88	SOLTRADE PTY LTD	16,362	2,344 kW	0.1%
89	TARA DEVI GOEL PTY LTD	15,956	2,013 kW	0.1%
90	MONGA CORPORATION PTY LTD as trustee for Monga Family trust	15,792	2,267 kW	0.1%
91	SOLAR XCELLENCE PTY LTD	15,791	2,047 kW	0.1%
92	Newgen Energy Pty Ltd	15,503	2,193 kW	0.1%
93	VGP ENERGY SOLUTIONS PTY LTD	15,101	2,185 kW	0.1%
94	MAC ENERGY EFFICIENCY GROUP PTY LTD	14,994	2,231 kW	0.1%
95	AGL Energy Services Pty Limited	14,908	2,152 kW	0.1%
96	Hembrow's Electrical Service Pty. Ltd.	14,624	2,086 kW	0.1%
97	DNM Investments Pty Ltd	14,540	2,103 kW	0.1%
98	Solar Link Australia Pty Ltd	14,325	2,215 kW	0.1%
99	Sunsolar Solutions Pty Ltd	14,264	2,261 kW	0.1%
100	ARAAN PTY LTD	14,037	1,716 kW	0.1%
101	Echo Group Corporation Pty Ltd	14,010	2,042 kW	0.1%
102	REDCHILLIES PTY LTD	13,943	1,770 kW	0.1%
103	M&I CANBERRA PTY LTD T/A Electrical Doctorz	13,885	2,298 kW	0.1%
104	PARISHRAM PTY. LTD. as The Trustee for Parishram Family Unit Trust	13,782	1,950 kW	0.1%
105	YELLO MARKETING PTY LTD	13,661	1,976 kW	0.1%
106	D and S Solar Pty Ltd	13,398	1,929 kW	0.1%
107	SUN CURRENT PTY LTD	13,340	2,152 kW	0.1%
108	Bangar Energy	13,152	1,879 kW	0.1%
109	RHEEM AUSTRALIA PTY LIMITED	13,092	1,910 kW	0.1%
110	SKY SOLAR ENERGY PTY LTD	12,922	1,867 kW	0.1%
111	PNI PTY LTD	12,884	1,879 kW	0.1%
112	S R GLOBAL PTY LTD	12,866	2,047 kW	0.1%
113	Electrical Masters Pty Ltd	12,861	2,137 kW	0.1%
114	JT Solar Technology Pty Ltd	12,858	1,765 kW	0.1%
115	Saleswork Pty Ltd TA Hybrid Solar	12,845	1,941 kW	0.1%
116	RK Solar and Consulting Services Pty Ltd	12,394	1,747 kW	0.1%
117	ZENITH INT PTY LTD TA HYTECH SOLAR BATTERIES	12,316	2,010 kW	0.1%
118	Mode Electrical (Tas) Pty Ltd	12,277	2,036 kW	0.1%
119	Green and Gold Solar Australia Pty Ltd	11,944	1,572 kW	0.1%
120	Sima Construction pty ltd	11,806	1,677 kW	0.1%
121	SUNLED ENERGY PTY LTD	11,803	1,727 kW	0.1%
122	Forext Green Energy Pty Ltd	11,782	1,538 kW	0.1%
123	LEDCOM PTY LTD	11,774	1,937 kW	0.1%
124	SolarpowerRex Pty Ltd	11,429	1,496 kW	0.1%
125	Apex Solar & Electrical PTY LTD	11,337	1,621 kW	0.1%
126	KANHA GROUP PTY. LTD.	10,818	1,743 kW	0.1%
127	TSP ENERGY PTY LTD	10,815	1,473 kW	0.1%
128	Auspro Group Pty Ltd	10,686	1,745 kW	0.1%
129	JALA ELECTRICALS PTY LTD	10,471	1,587 kW	0.0%
130	OZ SOLAR NEEDS PTY. LTD.	10,150	1,457 kW	0.0%
131	Vision Sales (AUST) Pty Ltd	10,060	1,429 kW	0.0%
132	KRSNVI PTY LTD	9,943	1,430 kW	0.0%
133	SKLATE Pty Ltd TA Ausgreen Solar Solutions	9,929	1,486 kW	0.0%
134	AARAV BANSAL PTY. LTD. T/A PV SPARK	9,787	1,257 kW	0.0%
135	AZ ENERGY PTY LTD	9,713	1,493 kW	0.0%
136	NATIONAL GRID SUPPORT SERVICE PTY LTD	9,609	1,621 kW	0.0%
137	GIZMO SALES & MARKETING PTY LTD	9,594	1,550 kW	0.0%
138	KAPEDO ENERGY PTY LTD T/A Toowoomba Solar Centre	9,353	1,348 kW	0.0%
139	Green and Save Pty Ltd	9,298	1,327 kW	0.0%
140	ADAM GROUP SERVICES PTY LTD	9,229	1,310 kW	0.0%
141	GARDEL ELECTRICAL SERVICES PTY LTD as The Trustee for Sam Gardel Family Trust	9,093	1,316 kW	0.0%
142	Volteam Electric Pty Ltd	8,823	1,266 kW	0.0%
143	Termico Solar Generation Pty Ltd	8,818	1,140 kW	0.0%
144	ENERGUS PTY LTD	8,806	1,115 kW	0.0%
145	TRIONE ENERGY (AUS) PTY LTD	8,803	1,448 kW	0.0%
146	TECHNO FORMS PTY LTD	8,480	1,222 kW	0.0%
147	SUNRISE INNOVATIONS PTY. LTD.	8,455	1,397 kW	0.0%
148	GRID ELECTRICS GROUP PTY LTD	8,430	1,220 kW	0.0%
149	The Energy Hub Australia Pty Ltd	8,383	1,213 kW	0.0%
150	B and G Green Trading Pty Ltd ATF B and G Trust T/A Aussie Greenmarks	8,262	1,359 kW	0.0%
151	SHIVOM (NSW) PTY LTD	8,060	1,163 kW	0.0%
152	GEELONG SOLAR ENERGY PTY. LTD.	7,895	1,306 kW	0.0%
153	Mannix Electrical Pty Ltd	7,838	1,059 kW	0.0%
154	THINK SOLAR PTY LTD	7,803	1,259 kW	0.0%
155	WISE GOAL PTY LTD	7,697	1,139 kW	0.0%
156	Solaris Capital Pty Ltd	7,687	1,175 kW	0.0%
157	Green Home Sustainability Assessors Pty Ltd	7,686	1,013 kW	0.0%
158	Aus1 Energis Pty Ltd	7,662	1,195 kW	0.0%
159	Matthew Ottley T/A Flux Electrical Systems	7,644	1,104 kW	0.0%
160	Online Air Pty Ltd	7,639	1,231 kW	0.0%
161	SMARTT SALES PTY LTD	7,431	1,249 kW	0.0%
162	Singh Marketing Solutions Pty Ltd T/A Green4life Oz	7,429	1,041 kW	0.0%
163	URBAN ELECTRICAL SERVICES PTY LTD	7,198	1,137 kW	0.0%
164	PCM Pty Ltd ATF Channon Family Trust T/A Adelaide Solar Systems	6,944	981 kW	0.0%
165	Rinnai Australia Pty Ltd	6,884	1,027 kW	0.0%
166	DLZ Services PTY LTD T/A Skyline Solar	6,876	908 kW	0.0%
167	ELITE SMART ENERGY SOLUTIONS PTY LTD	6,809	1,149 kW	0.0%
168	Unified Entity Pty Ltd as The Trustee For The Union Wealth Management Trust	6,709	965 kW	0.0%
169	North Nowra Investments Pty Ltd	6,582	949 kW	0.0%
170	Variety Solar Pty Ltd	6,549	1,050 kW	0.0%
171	DEHAN SOLAR ENERGY PTY LTD	6,548	908 kW	0.0%
172	ENERGY CONTROL AUSTRALIA PTY LTD as the trustee for ENERGY CONTROL AUSTRALIA UNIT TRUST	6,325	1,021 kW	0.0%
173	Clean and Green Solutions Pty Ltd	6,284	882 kW	0.0%
174	IN YOUR CORNER PTY LTD trading as FUTURE POWER SOLUTIONS	6,125	762 kW	0.0%
175	CYANERGY PTY LTD	6,091	902 kW	0.0%
176	Sunova Energy Pty Ltd	6,089	881 kW	0.0%
177	KASS & CO PTY LIMITED	6,082	848 kW	0.0%
178	KANUANU PTY LTD	6,059	965 kW	0.0%
179	WAAE Pty Ltd	5,847	746 kW	0.0%
180	SOLAR MAN AUSTRALIA PTY LTD	5,782	837 kW	0.0%
181	Sol Energy Pty Ltd	5,675	777 kW	0.0%
182	AUSGREEN INTERNATIONAL PTY LTD	5,654	811 kW	0.0%
183	YAGNAPURUSH PTY LTD	5,626	925 kW	0.0%
184	Green Solutions Australia Pty Ltd	5,561	939 kW	0.0%
185	POPAT BROTHERS PTY LTD t/a Target Solar	5,525	790 kW	0.0%
186	Harry Concepts Pty Ltd T/A Evergreen Solar Power	5,500	913 kW	0.0%
187	APEX ENERGY AUSTRALIA PTY LTD as THE TRUSTEE FOR P & M STALLAN FAMILY TRUST NO 2	5,483	769 kW	0.0%
188	Solar 2020 Pty Ltd ATF Solar 2020 Unit Trust	5,422	700 kW	0.0%
189	SUN SOLAR AUSTRALIA PTY LTD	5,411	780 kW	0.0%
190	Energy Wired Pty Ltd	5,410	884 kW	0.0%
191	D.J. EDWARDS ELECTRICAL PTY LTD	5,369	777 kW	0.0%
192	RB Trades Services	5,261	751 kW	0.0%
193	Eastern Ranges Contracting Pty Ltd ATF MARBEC FAMILY TRUST	5,161	858 kW	0.0%
194	SALV & B PTY LTD Trading as PRO CUSTOM ENERGY	5,150	654 kW	0.0%
195	SUNNYANSH PTY LTD as The Trustee for the Pahuja Family Trust	5,101	738 kW	0.0%
196	RA Connect Pty Ltd T/A Ultimate Solar Energy	4,960	757 kW	0.0%
197	AQUA SANITAS URJA PTY LTD	4,956	826 kW	0.0%
198	Brant Reid ATF Brant and Greta Reid Family Trust	4,951	804 kW	0.0%
199	RVR PTY LTD as The Trustee for RVR FAMILY TRUST	4,912	750 kW	0.0%
200	Greenoz Solutions	4,900	763 kW	0.0%

Showing 10 of 200

System size is estimated from STC volume using deeming year and state zone factors. Exact size varies by postcode and install date.

State Breakdown

Estimated capacity by state (all system sizes), 1 Jan 2026 to 12 Oct 2026.

NSW232,340 installs

5,627,557 kW

VIC198,516 installs

4,165,521 kW

QLD174,707 installs

3,492,265 kW

SA71,077 installs

1,527,250 kW

WA91,857 installs

1,307,625 kW

ACT14,518 installs

350,425 kW

TAS9,848 installs

166,140 kW

NT2,421 installs

41,954 kW

Methodology

How this data is collected and processed.

Data sourced from the REC Registry public register (certificate actions).
Updated daily with a one-day lag from the regulator’s API.
Installations counted by unique accreditation codes.
System size estimated from STC volume using deeming year and state zone factors.
Count leaderboards exclude accounts classified as STC traders.

Loading statistics...

Company

STC volume

Market share

FORMBAY TRADING PTY LTD

6,124,923

29.2%

ONE STOP WAREHOUSE FINANCE PTY LTD

3,513,277

16.7%

GB Environmental Trading Pty Ltd

1,345,195

6.4%

Habitat Energy Systems Pty Ltd

744,309

3.5%

Sun Retail Pty Ltd

702,197

3.3%

ACHIEVERS ENERGY GROUP PTY LTD

613,357

2.9%

Peter Maganiotis

585,906

2.8%

Solsmart Pty Ltd

545,325

2.6%

Green Energy Trading Pty Ltd

450,095

2.1%

Renewable Energy Direct

339,222

1.6%

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