AMPROTEQ Savings Studio

Your bill in. A business case out.

The Savings Studio prices every half-hour of your year on your own 2026/27 tariff, finds the battery and solar that pay best, and hands you a proposal your board can sign off. In your browser, before you speak to anyone.

Open the Studio Watch the guided tour

FreeNo sign-upYour bill stays in your browser

The Savings Studio summary for a quarry: an A625 battery would save R 4,0 m a year 1The answer, in one sentence 2Four figures decide it 3Your bill, month by month
17 520
half-hours priced in a year
Eskom + 7 metros
tariffs at 2026/27 rates
6
battery sizes priced and ranked
17
named solar losses, sunlight to meter
25 years
of cash flow, after tax
Three ways in

Start from whatever
you have to hand.

Each door opens the Studio at that step. You can add the rest later, and every project is saved in your browser so you can come back to it.

01Upload your billEskom or municipal, as a PDF or a phone photo. Your tariff and your usage are read from it.Read my bill 02Pick your siteSearch a town or drop a pin, then draw your roof or land to add solar.Open the map 03Type four numbersMonthly energy, peak demand, your tariff and how the site runs.Enter them orOpen the worked example Rooiberg Aggregates, a granite quarry on Eskom Megaflex at 11 kV, modelled end to end with a guided tour of every screen. About two minutes.Start the tour
How it works

Seven steps, from a bill to a proposal.

  1. 01Energy

    Where your money goes.

    Your bill is read in the browser: the tariff, energy in each time-of-use period, demand and fixed charges. Then every half-hour of twelve months is priced line by line on the published 2026/27 rates.

    Peak energy is 50 % of the quarry’s July bill
    The Energy screen: the July bill split into peak, standard and off-peak energy, demand and levies
  2. 02Site

    Your roof or land, on the map.

    Search a town or drop a pin, then draw the roof or the land the panels may use. The sun, the weather and the grid connection come with the location.

    Satellite map, drawn boundary, sun and weather
    The Site screen: the quarry’s land drawn on a satellite map
  3. 03Solar

    The plant, row by row.

    The array is laid out on your own land and run hour by hour for a year, through every loss between the sunlight and your meter.

    4 831 kWp making 8,84 GWh a year
    The Solar screen: the quarry’s array in 3D with its yield
  4. 04Battery

    Six sizes, one pick.

    Six battery sizes are priced and run against your load. The pick is the one that earns the most after paying for itself, and any other size is one click away.

    The A625, 6,25 MWh, is the best fit
    The Battery screen: six sizes compared by saving and cost
  5. 05Business case

    What it saves, month by month.

    Each month is its own bill, priced line by line with and without the battery. Then 25 years of cash after tax: when you get it back, the return on your own money, and how comfortably a loan is covered.

    July saves the most: R 802 k. Paid back in 4,1 years
    The Business case: what each month saves, highest from June to August
  6. 06Engineering

    Ready to install?

    Cables, protection, earthing and the grid connection are checked, with a single-line diagram and a block layout you can open in CAD.

    Single-line diagram, cable runs and grid checks
    The Engineering screen: inverters, transformers, cable runs and a single-line diagram
  7. 07Proposal

    Take it to your board.

    One PDF with every figure and every assumption behind it. Send it to us and our quote for your site replaces the indicative price.

    Thirteen chapters, every source listed
    The Proposal screen: the PDF outline and who it is for
How a battery makes money

Buy at R 1,62.
Use it at R 7,55.

A battery pays where peak power is dear. It charges when power is cheap, runs the site through the peak hours and keeps the difference. This is one real winter weekday at the quarry, half-hour by half-hour, as the Studio draws it.

One winter weekday: the battery charges off-peak and discharges through both peaks, earning R 34 662
High-season weekday, Megaflex. Dark bars: charging. Light bars: the battery powering the site. Line: state of charge.
  1. Off-peak, from 22:00It charges on the cheapest power of the day, at about R 1,62/kWh on average.
  2. Morning peak, 06:00 to 08:00The site runs on the battery instead of buying power at R 7,55/kWh.
  3. Standard hoursIt tops up again, a little at a time, within the site’s notified maximum demand.
  4. Evening peak, from 17:00It discharges again into the second peak of the day, until it reaches its floor.
Charged6,70 MWh
Discharged6,03 MWh
Earned that dayR 34 662
Solar, in 3D

The plant, under
its own sun.

Draw your land and the Studio lays out the array row by row, then shades it with the real sun for your location, hour by hour. Below is the quarry on a day in October, from first light to dusk. In the Studio you can drag to look around and pick any day of the year.

Real capture of the Studio’s 3D view, 21 October, 05:30 to 18:30.
4 831 kWp
laid out on the land
8,84 GWh
a year, after every loss
80 %
performance ratio
8 760
hours modelled, one by one
Every loss, sunlight to meter

Seventeen named losses.
Not one rule of thumb.

Each hour of the year runs through the same chain. You see what each stage takes, so a yield is never a single percentage nobody can check.

  1. 01Shade from the row in front
  2. 02Reflection off the glass
  3. 03Dust
  4. 04Spectrum
  5. 05Heat
  6. 06Low light
  7. 07Light-induced ageing, year one
  8. 08Heat-and-light ageing
  9. 09Nearby obstacles
  10. 10Panel mismatch
  11. 11DC cables
  12. 12Converter
  13. 13Clipping
  14. 14AC cables
  15. 15Transformer
  16. 16Auxiliaries
  17. 17Availability

Panel side (DC) Grid side (AC)

The Studio’s solar loss waterfall from sunlight to the meter
Every figure sourced

Every number says
where it came from.

A finance director should be able to trace any figure back to its source. So every number in the Studio carries one of three marks, and the proposal lists every assumption, the unconfirmed ones first.

◆Published

Taken straight from a published source: your tariff schedule, the sun and the weather at your site.

▸Modelled

Worked out by the Studio from published figures: the year half-hour by half-hour, the battery’s dispatch, the bill after.

○Indicative

Not yet confirmed. The system price is indicative until we quote your site; then every figure moves with it.

01

Read in your browser

Your bill is read on your own machine. Nothing that names you is sent unless you ask for the proposal.

02

Your tariff, not an average

Each month is priced line by line on the published 2026/27 schedule, with high and low season, weekends and demand charges.

03

A full year in seconds

Twelve months of half-hours, six battery sizes and a 25-year cash flow, before your coffee cools.

The proposal

One PDF your
board can sign off.

When the numbers work, the Studio writes the proposal for you: thirteen chapters, from the answer to every assumption behind it. Download it, or send it to us: we check your tariff, your load and what your site needs, and our quote replaces the indicative price.

  1. 01Summary
  2. 02Business case
  3. 03Site and resource
  4. 04Load and tariff
  5. 05The bill, before and after
  6. 06The battery
  7. 07Twelve months
  8. 08Life
  9. 09Solar over 25 years
  10. 10Electrical
  11. 11The money
  12. 12Assumptions and sources
  13. 13Notes
The Proposal screen in the Studio: the chapters of the PDF and who it is for
Questions

About the Studio.

Anything else, ask us at info@amproteq.energy.

Is the Savings Studio free?
Yes. There is no sign-up and no charge. You can model as many sites as you like, save them in your browser and download the proposal PDF. We only hear from you if you ask us to.
Is my electricity bill uploaded anywhere?
No. Your bill is read in your browser. The Studio sends the modelling inputs it needs, such as your monthly energy, demand and tariff, to work out the year, and nothing that names you. Your contact details reach us only if you type them into the proposal form.
Which tariffs does it know?
Eskom’s time-of-use tariffs, including Megaflex, Miniflex and Ruraflex, and the tariffs of seven metropolitan municipalities, at their published 2026/27 rates, with every season, weekday, Saturday and Sunday variant and the demand charges.
Is the answer a quote?
No. Figures marked ○ rest on an indicative price until we quote. Everything else is worked out from your own bill and published tariffs. When you send us the proposal, our quote for your site replaces the indicative price, and every figure moves with it.
What do I need to start?
One electricity bill is enough, as a PDF or a phone photo. Twelve months of interval data makes it sharper, and you can add your site on the map to model solar on your own roof or land.
Can it model solar as well as storage?
Yes. Draw your roof or land on the map and the Studio lays out the array row by row, shows it in 3D under its own sun, and works through seventeen named losses from sunlight to the meter, hour by hour for a full year, before it sizes the battery around it.
Studio access

One bill. One minute.
Your answer.

Open the Studio with your own bill, or let the guided tour walk you through the quarry first. When you want a quote, the proposal brings your numbers to us.

Open the Studio Watch the guided tour Request a proposal