Solvenna Solar: 6.6 kW for the Ilsley Home
Solar sales presentation with the payback shown honestly
A solar sales presentation has to prove the payback to a household that has heard inflated claims before: the bill today, the bill after, the system that bridges them and the arithmetic in between. Solvenna Solar, an invented Brisbane installer, proposes a 6.6 kW system in nine slides where every saving is traced to kilowatt hours and every dollar of the quote is listed.
Every slide, in order
The whole deck as it renders, one slide after another. Read it the way the audience would.
The structure
What each slide is doing, so you can reuse the order even with different content.
- Slide 1cover
- Names the household and the system size, so the quote reads as theirs and not a brochure.
- Slide 2intro
- Sets out the household facts the design is built on, so the savings that follow can be checked against them.
- Slide 3metrics
- Quarterly bills before and after as a bar chart, so the saving is shown season by season rather than as one annual figure.
- Slide 4metrics
- System size to annual generation to saving to payback, in order, so the payback can be traced step by step.
- Slide 5metrics
- Where the 9,600 kWh go, because the payback depends far more on solar used in the house than on exports.
- Slide 6investment
- The quote line by line with the certificate discount, so the household sees what each part costs before signing.
- Slide 7timeline
- Deposit to grid connection with day counts, so the household knows the wait is mostly approvals, not installation.
- Slide 8process
- How the small scale certificate discount works in four steps, because rebate confusion is the most common reason a sale stalls.
- Slide 9closing
- Restates the honest payback in one sentence and names the next step.
Slide by slide
Slide one names the household, the system and the promise to show every assumption. Slide two lists what the design uses: a year of bills, an east and west roof, someone home three days a week and a hot water timer. Slide three is the bar chart of bills before and after. Slide four is the chain from system size to payback. Slide five shows where the power goes. Slide six is the quote: six items adding to 9,400 dollars, less 1,380 dollars of certificates. Slide seven runs from deposit to grid connection in 38 days. Slide eight explains the certificate discount in four steps. Slide nine restates the payback and the next step.
How to adapt this deck
A quote that includes a battery should add the battery cost as a line item and show its effect on the pie, since a battery moves exported power into evening use, then recalculate the payback rather than reuse this one. A business system should replace the quarterly bills with daytime load by month, because businesses use most of their solar during working hours. An installer in another climate zone should rebuild slide four from local generation figures and its own certificate count, which depends on the zone and the year of installation.
What households are told to check
The Clean Energy Regulator explains that small scale technology certificates are created for eligible systems, that their number depends on location, installation date and the electricity the system is expected to generate, and that an owner can assign them to a registered agent for an upfront discount, which is what slide eight walks through. The federal energy.gov.au guidance covers what to ask when seeking quotes, and the Your Home guide tells households to size a system around current and future use and notes that a panel performance warranty is different from the product warranty against defects. That is why slide two states the usage the design rests on and slide six names the 25 year performance warranty.
What makes this deck work
The saving is seasonal, not one number
Slide three charts four quarterly bills before and after: summer falls 78 percent, from 720 dollars to 160, while winter falls only 60 percent. Showing the weak quarter is what makes the 2,860 to 935 dollar annual total believable.
Payback is a chain of steps
Slide four runs 6.6 kW to 9,600 kWh a year, then 4,320 kWh used at home at 36 cents plus 5,280 exported at 7 cents, which is 1,925 dollars a year. The 8,020 dollar price divided by that is 4.2 years, with no tariff rises assumed.
Self use is the real lever
The pie on slide five shows that 55 percent of generation is exported at a fifth of the value of power used in the house. The six tips beside it, from a hot water timer to pre cooling, are how the household can beat the payback on the slide before.
Questions people ask
What should a solar sales presentation include?
The customer's current bills, the system size and why, expected annual generation, the bill after solar, the payback and how it was worked out, the quote line by line, any rebate or certificate discount, the timeline to connection and warranties. This example puts each on its own slide.
How do I show solar payback without overstating it?
Work from the customer's own bills, split generation into power used at home and power exported, value each at its real rate, and divide the net price by the yearly saving. State that no tariff rises are assumed. A payback that survives that arithmetic is one the customer will trust.
Should the quote show the price before the rebate?
Yes. Show the full price of each item, then the certificate discount as its own line, so the customer can compare quotes on the same basis. A quote that only shows the net price makes it hard to see whether one installer is pricing the panels or the discount differently.
Why chart quarterly bills instead of one annual saving?
Because solar output changes with the season. A quarterly chart shows the customer that winter bills fall less than summer ones, which matches what they will see on their own bills. One annual figure hides that and makes the first winter feel like the system is underperforming.
How long should a residential solar presentation be?
Eight to ten slides is enough for a kitchen table meeting or a follow up email. Lead with the customer's own bills, keep the technical detail to one slide, and leave the full panel and inverter data sheets as attachments rather than slides.
Can the charts in this deck use my own numbers?
Yes. Click a chart to edit its categories and values in the inspector, and the bars and pie redraw. You can also ask the AI assistant to update a slide with new figures and review the change as a preview before you apply it.
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Written and checked by the OneCraft team. Last checked .