28 September 2026 · 6 min read · Oscar Markham
Selling batteries without selling fear
Battery storage is where the margin is, which is exactly why so much of the marketing around it is bad. Blackout imagery, implied grid collapse and payback numbers that only work if electricity doubles in price — all of it is effective in the short term and corrosive over a few years. The honest case for storage in Ireland is strong enough on its own, particularly for the households most installers are actually selling to.
Start with when the house is empty
A commuter household generates most of its solar between nine and five with nobody home. Those units get exported, and an exported unit is worth a fraction of one you did not have to buy.
That is the entire argument and it is arithmetic, not fear. Show the customer their own day — out at eight, back at six — and the gap explains itself.
For a retired couple at home all day, the same argument is much weaker, and saying so is what makes you credible when you do recommend it.
Night-rate charging is the part people miss
A battery is not only a solar accessory. On a day-and-night tariff it can be filled cheaply overnight and used through the expensive part of the evening, which works in December when the panels are contributing very little.
Most quotes never mention this, and it is frequently the strongest part of the case. It also makes the system useful year-round rather than seasonally.
Do not promise backup unless you are supplying it
A standard battery installation does not necessarily keep the lights on in a power cut. That requires specific equipment and configuration, and customers routinely assume otherwise.
If you are not providing it, say so in the quote. This is the single most common source of angry phone calls in the months after a storm, and it is entirely avoidable.
Be careful with payback claims
Battery payback depends on the tariff, the usage pattern and what electricity prices do next, and nobody knows the last one.
Give a range, state the assumptions, and let the customer adjust them. A quote that says 'here is what we assumed and here is what changes if you are wrong' is far more convincing than a confident single number that a competitor has undercut by two years.
The EV is the easiest version of this conversation
A household charging a car overnight from the grid while their roof exported all day has an obvious problem, and they can usually see it as soon as it is described.
Installers who handle solar, storage and charging together have a natural sequence of sales and a real reason to contact a past customer. Those who do not are handing the second and third jobs to someone else.
Written by Oscar Markham, founder of Dublin Growth Digital. We run lead generation for Irish estate agents and trades, reported every Friday in enquiries and booked work.