Australia's greenest electricity provider

★★★★★
Greenpeace Electricity Retailer

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🚀 Go beyond carbon neutral

💚 5 star Greenpeace electricity retailer

🤑 Standard feed in rate of 5.2 c/kWh

⚡️ Virtual Power Plants for new and existing customers

For Vic, NSW, SA and Qld (Energex only)

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More green, less worry.

Diamond Energy customers enjoy the easy life.

Get connected to affordable 100% clean energy today.

Satisfied customers?
We'll let them speak for themselves

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Diamond Energy is one of very few utilities vendors I have praised publicly and recommended privately. Great service from real people who are helpful and informed is a key part of this. Social and environmental awareness seems to genuinely undergird the business.

John Capper

2 year customer

To date diamond energy have been amazing, bills come in on time,they are transparent.I feel good knowing my power comes from renewable energy and that my money will be invested in new renewables.They work with you if you need an extension of the pay date

Keith Cooke

3 year customer

How refreshing to speak with any of the Diamond Energy team, they're so friendly and helpful and I love that. Friendly isn't a word I would have used when calling my previous company, nor was it user friendly. I went on the government compare website and Diamond came out on top. Good Rates, Good Service, that calls for a five star rating!

Patricia Whyte

4 year customer

Contact us

Our Australian based customer service team, are available Mon-Fri 8.30am to 6.00pm (AEDT).

Our online form below is also available to answer common enquiries and capture more details:

customerservice@diamond-energy.com
1300 838 009
Diamond Energy 101 Greville Street Prahran, VIC, 3181

Interpreter service

Call 131 450 for Italiano, Español, عربي, Tiếng Việt, Ελληνικά

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Our team

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Tony Sennitt
Executive Chairman

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Cathy Sennitt
Marketing Manager

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Ella Henson
Customer Communications Coordinator

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Mark Spencer
Customer Service

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Showmiya Thavakumar
Regulatory Reporting & Billing Coordinator

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Rishiraj Singh
Business Analyst

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We're hiring!

Join our incredible team!

Open positions
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Diamond Energy acknowledges the Traditional Custodians of Country throughout Australia and their connections to land, waters and community.
We pay respect to their Elders past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples.
Made by Seán Marsh