Case Studies — All Electric Homes

Predicted vs. Reality.
The Numbers
Don't Lie.

Every proposal we deliver includes a detailed prediction of your energy savings, bill reduction, and CO₂ impact. Here's what actually happened — verified against real bill data. Our first completed case study came in better than predicted.

$596 Actual Annual Bill
Frankston — Verified ✓
84% Actual Bill Reduction
Beat 81% Prediction
$15,000 Highest Gov. Incentives
Applied — Box Hill
$11,335 Combined Predicted Saving
Across All Four Homes
Our Methodology

Every Case Study Follows
the Same Rigorous Process

Step 01

Pre-Installation Proposal

Using SpendWatt modelling, we generate a detailed prediction of annual spend, CO₂ emissions, and energy usage — before a single panel is installed.

Step 02

Installation & 90-Day Window

We complete the installation and wait 90 days — enough time for a full seasonal billing cycle to produce representative real-world data.

Step 03

Verified Against Real Bills

We collect the customer's actual energy bills and compare them directly against our original predictions. The results are published here, unedited.

Case Studies — Proposals & Verified Results

Real Proposals. Real Homes.
Real Bills — 90 Days Later.

✓ Verified Results Published · Real bill data collected · 90-day cycle complete · Frankston, VIC · Installed May 2024
All Electric Homes VIC · Frankston, VIC Robyn Paterson — 3-Bedroom Family Home Solar 6.6kW · Heat Pump Hot Water 225L · Reverse Cycle Split 8kW · Induction Cooktop 60cm
Verified Annual Saving $3,210 Actual bill $596 vs predicted $711 · Beat prediction by $115
Motivation Reduce power bills & environmental impact · works from home · 3-bed home with daughter
Installed May 2024
Original Proposal — Predicted
Decommissioned
Gas ducted heating
Gas instant hot water
Gas cooktop
Installed
☀️ Solar 6.6kW
🌡️ Heat Pump 225L
❄️ Reverse Cycle 8kW
🍳 Induction 60cm
$3,806 Annual Spend
Before (gas + elec)
$711 Predicted Spend
After (81% off)
6.03t CO₂ Before
(Annual)
0t Predicted CO₂
After (100% off)
Total Investment $12,996 inc GST · 3.7yr payback
📋 Ref: 3694-21952 · Lumo Energy · FiT 4.9c/kWh
✓ Verified Results — Real Bill Data
Annual Energy Spend
Before
$3,806
Predicted
$711
Actual
$596
Annual CO₂ Emissions
Before
6.03t
Predicted
0t
Actual
0t
Annual Energy Consumption
Before
19,861
Predicted
-2,532
Actual
Net zero
$596 Actual Annual
Spend After
▲ $115 Better
Than Predicted
84% Actual Bill
Reduction
▲ 3% Better
Than 81% Predicted
100% CO₂
Eliminated
✓ Full carbon
elimination
Post-upgrade finding: The household is now running entirely electric. Actual bills came in below projections — confirming real-world performance exceeds expectations. The home is now a net energy exporter.
★★★★★

"I wanted to go all-electric to reduce my power bills and my environmental impact — I work from home so energy costs really matter. The prediction they gave me was actually conservative. My real bill came in lower than they said it would. I'm now running entirely on electricity, my gas is gone, and I'm exporting energy back to the grid."

Robyn Paterson Frankston, VIC · Installed May 2024 ✓ Verified against real bills
Darebin Energy Upgrades Program · Preston, VIC Long-Term Family Home — Full Electrification Solar 6.65kW · Battery 15.6kWh · Heat Pump 270L · Reverse Cycle 3.2kW · Induction Cooktop 60cm
Predicted Annual Saving $2,562 94% bill reduction · Ref: 21648-241202
Motivation Long-term home — reduce running costs & do good for the environment
Gov. Incentives $11,000 total applied
Original Proposal — Predicted
☀️
Rooftop Solar 6.65kW · Jinko panels
🔋
Home Battery 15.6kWh · Sungrow
🌡️
Heat Pump Hot Water 270L
❄️
Reverse Cycle Split 3.2kW Heat/Cool
🍳
Induction Cooktop 60cm · Gas removed
$2,738 Annual Spend
Before
$176 Predicted Spend
After (94% off)
3.08t CO₂ Before
(Annual)
0t Predicted CO₂
After (100% off)
7.5yr Payback
7.9% IRR
Total Investment $23,841 inc GST
📋 Ref: 21648-241202 · Valid 22/03/2026
90-Day Verification

Real World Results
Coming Soon

We measure every installation against real bill data 90 days after completion. This is how we ensure our predictions are honest — not cherry-picked.

What we're tracking
Actual energy bills vs $176 prediction
CO₂ emissions (predicted: zero)
Solar generation vs modelled output
Battery usage & grid independence
About This Home
Motivation

Long-term family home. Wanted to reduce running costs and do good for the environment.

Location

Preston, VIC

Government Incentives $11,000

Total incentives applied at point of sale

Program

Darebin Energy Upgrades

Testimonial coming soon.
We'll publish this customer's verified results and feedback once the 90-day billing cycle is complete.

All Electric Homes VIC · Lilydale, VIC Long-Term Family Home — Full Electrification Solar 13.30kW · Battery 23.4kWh · Heat Pump Hot Water 270L
Predicted Annual Saving $3,009 85% bill reduction · Ref: 23278-265311
Motivation Long-term home — reduce running costs & do good for the environment
Gov. Incentives $14,000 total applied
Original Proposal — Predicted
☀️
Rooftop Solar 13.30kW · Jinko panels
🔋
Home Battery 23.4kWh
🌡️
Heat Pump Hot Water 270L
$3,519 Annual Spend
Before
$511 Predicted Spend
After (85% off)
4.84t CO₂ Before
(Annual)
0t Predicted CO₂
After (100% off)
7.4yr Payback
12,067 kWh/yr Before
Total Investment $27,627 inc GST
📋 Ref: 23278-265311 · Valid 18/04/2026
90-Day Verification

Real World Results
Coming Soon

We measure every installation against real bill data 90 days after completion. This is how we ensure our predictions are honest — not cherry-picked.

What we're tracking
Actual energy bills vs $511 prediction
CO₂ emissions (predicted: zero)
Solar generation vs 13.30kW modelled output
Battery usage & grid independence
About This Home
Motivation

Long-term family home. Wanted to reduce running costs and do good for the environment.

Location

Lilydale, VIC

Government Incentives $14,000

Total incentives applied at point of sale

Energy Profile Before

Electricity + Gas · 12,067 kWh/yr · 4.84t CO₂

Testimonial coming soon.
We'll publish this customer's verified results and feedback once the 90-day billing cycle is complete.

All Electric Homes VIC · Box Hill, VIC Retirement Home — Full Electrification Reverse Cycle Ducted 17.0kW · Solar 9.02kW · Battery 23.4kWh · Induction Cooktop 60cm
Predicted Annual Saving $3,125 94% bill reduction · Ref: 21098-244945
Motivation Environment & lower bills to suit retirement
Gov. Incentives $15,000 total applied
Original Proposal — Predicted
❄️
Reverse Cycle Ducted 17.0kW Heat/Cool
☀️
Rooftop Solar 9.02kW
🔋
Home Battery 23.4kWh
🍳
Induction Cooktop 60cm · Gas removed
$3,337 Annual Spend
Before
$212 Predicted Spend
After (94% off)
3.61t CO₂ Before
(Annual)
0t Predicted CO₂
After (100% off)
8,181 kWh/yr Before
-7,679 kWh/yr Predicted
Total Investment $39,943 inc GST
📋 Ref: 21098-244945 · Valid 27/03/2026
90-Day Verification

Real World Results
Coming Soon

We measure every installation against real bill data 90 days after completion. This is how we ensure our predictions are honest — not cherry-picked.

What we're tracking
Actual energy bills vs $212 prediction
CO₂ emissions (predicted: zero)
Solar generation vs 9.02kW modelled output
Ducted system performance vs gas baseline
About This Home
Motivation

Environment & lower bills to suit retirement.

Location

Box Hill, VIC

Government Incentives $15,000

Total incentives applied at point of sale

Energy Profile Before

Electricity + Gas + Fuel · 8,181 kWh/yr · 3.61t CO₂

Testimonial coming soon.
We'll publish this customer's verified results and feedback once the 90-day billing cycle is complete.

📂

More Case Studies Being Added

Each case study takes 90 days to complete. We're adding new proposals as installations are completed and real bill data is collected. Check back regularly.

Get Your Own Proposal


Why Our Predictions Are Accurate

We Use the Same Tool
to Quote and to Verify

Our proposals are generated using SpendWatt — a purpose-built electrification modelling platform that accounts for your specific tariff, usage profile, roof orientation, and local climate. There's no guesswork.

📊
Tariff-Specific Modelling

Every proposal is calculated against your actual energy retailer's tariff structure — not industry averages. What you see is what your bill will reflect.

🏠
Home-Specific, Not Templated

Roof orientation, shading, household size, existing appliances — all factors that affect your actual generation and consumption are modelled individually.

📋
Proposal Reference Numbers You Can Check

Every case study includes the original proposal reference number. You can request the underlying model data at any time. We publish results unedited.

📅
90-Day Rule — No Cherry Picking

We measure every customer at 90 days post-install. Not the best-performing customers. Not the sunniest months. Every installation, full seasonal cycle, real bills.