Designed around how you use power today.
And how you'll use it tomorrow.

Engineer-led solar and battery systems for Melbourne homes and businesses.

We don't start with the panels and battery.
We start with your power bill.

The Engineering Difference

The system comes second. Your energy usage comes first.

Most solar quotes start with a product — a panel, an inverter, a battery, a package size — and then try to make your property fit it.

We work the other way around. For a home, that starts with your power bill and how your household uses electricity through the day. For a business, it means looking at your consumption data, your operating hours, your site, your electrical infrastructure, and where things are headed. Only then do we work out whether solar makes sense, whether a battery is justified, and what size actually fits.

Bigger isn't always better. The right size is better.
For Business

Commercial solar and battery, done properly.

If you run a factory, warehouse, pub, club or similar commercial property, electricity is probably one of your biggest controllable costs — and one of the easiest things to get wrong when it comes to solar.

We start with your bill and your load: how much power you use, when you use it, and how that splits between day and night. Then we look at your site, your existing electrical infrastructure and switchboard, and where your business is headed. From there we work out whether solar, battery storage, EV charging — or some combination — actually stacks up. If it doesn't, we'll tell you that too.

  • Your bill and your load, day versus night
  • Roof, site and electrical infrastructure
  • Whether the numbers actually work
Book a Commercial Energy Assessment See how commercial projects work →
For Your Home

Solar and battery, sized around how your household actually uses power.

Most homeowners spend somewhere between $300 and $1,000 a month on electricity, and every household uses power differently. We don't sell fixed packages — we look at your bill and your usage, then size a system around what your home needs now, and what it's likely to need as things change, like an EV or higher household use down the track.

  • Sized to your household, not a package
  • Solar and battery sized around your actual bill
  • Room to grow — EV charging, electrification
Book a Home Energy Assessment See our residential approach →
Why It Matters

Too big wastes money. Too small leaves savings on the table.

A system that's oversized costs you more upfront than you needed to spend. A system that's undersized means you keep paying for grid power you could have avoided, and may need upgrading sooner than expected. Getting the size right means looking at today's load and any changes you can reasonably expect — an EV, a growing business — without trying to guess a decade ahead.

The Person Behind the Business

Meet Ian

Ian Eman, founder of Eman Holdings
Ian Eman
Founder, Chartered Professional Engineer

I'm a Chartered Professional Engineer, an electrical engineer, and registered RPEQ and RPEV. I've worked in the electrical industry for more than 25 years — starting in electrical engineering, including high-voltage transmission and distribution infrastructure design, before spending the last decade or so focused specifically on solar, battery storage and EV energy solutions.

Over that time I've personally designed or supervised the delivery of more than 2,500 solar and battery installations — experience that adds up to more than 25 MW of solar and around 10 MWh of battery storage.

I started this business because too many solar and battery systems are designed by sales consultants without an electrical engineering background, built around whatever's being promoted that month rather than how the customer actually uses power. I wanted to do it properly — starting with the electricity, not the equipment.

Chartered Professional Engineer (CPEng) Chartered Professional Engineer RPEQ Registered RPEV Registered

The installation figures above reflect Ian's engineering career prior to founding this business — not completed projects of the business itself.

Speak to Ian
How It Works

From your bill to a system that fits

1. Send us your bill

A recent electricity bill gives us a real starting point — how much you use, and when.

2. Energy assessment

Free, by phone, video call, or a site visit where it makes sense — we get to know how you actually use power.

3. We design the system

Solar, battery, EV charging, or a combination — sized to fit, not to impress.

4. We explain the numbers

What it costs, what it's likely to save, and whether it's genuinely worth doing.

5. Supply & installation

We source the equipment and arrange installation through licensed, accredited installation partners.

6. We remain your point of contact

One point of contact from design through installation and aftercare — not a list of people to chase.

Equipment

Products we're comfortable putting our name behind

We currently work primarily with Jinko Solar and LONGi panels, and Sungrow inverters and batteries. We didn't pick them because they're the cheapest or claim to be the best in the world — we picked them because they have a track record in Australian conditions, established local support, and we're comfortable standing behind them. Equipment is the last decision we make, not the first.

Jinko Solar LONGi Sungrow
Honest Advice

If we don't believe solar or battery storage makes financial sense for you, we'll tell you.

We're not trying to put solar on every roof or a battery in every business. Particularly for commercial projects, the numbers need to genuinely stack up. If they don't, we'd rather tell you upfront than sell you a system that doesn't pay for itself.

Before you buy another solar package, let's look at how you actually use power.

Free energy assessment — by phone, video call, or on-site.

Book a Free Energy Assessment