- Guide shows the huge positive effect Solar has had on flattening the demand curve
- How every Solar Installer can optimise your electricity savings on TOU (Time of Use Tarrif)
- What the Full-Day Dispatch Model will do for your solar installation
- SA’s embedded rooftop solar installation base is growing by over 1 GW per year
Straton Solar have recently published a free guide for installers and users of solar energy showing just how dramatic an effect the installed base of Small Scale Embedded Solar Generation has had on flattening the midday demand curve. In addition a clear guide on ow to maximise your return using Solar Panels, Batteries and the TOU Tariff effectively.
Click here for the entire report and interactive tables: https://straton.co.za/flattening-the-curve-what-every-solar-installer-needs-to-know/ and full article.
What Flattening the Curve Actually Means
A flatter load curve means less strain on generation and transmission infrastructure, fewer emergency generation events, a more stable grid frequency, and a lower average cost of electricity production for everyone. For your clients it means genuine energy independence at the moments that matter — morning and evening, every day, not just during load shedding. For the industry it means installations that can be pointed to as a demonstrated contribution to grid stability rather than a rooftop accessory that happens to reduce one person’s electricity bill.
A brief Summary of Principles Not a Prescriptive Checklist
The following summarises the intent behind each phase of the dispatch approach described above. How each is achieved depends on the inverter platform, site conditions, and available controls. The goal in each case is clearly stated; the method is for the installer to determine.
- Overnight: charge battery to ~95% using slow grid draw during low-demand hours
- Morning peak: battery as primary source; minimise grid draw; hold 40% reserve
- Early solar: serve loads from PV directly; defer bulk battery charging
- Midday solar: charge battery to ~95% before exporting surplus
- Pre-evening: battery fully charged and held in reserve
- Evening peak: battery as primary source; suppress grid draw; hold 40% reserve
- Large loads (geyser, pool): scheduled outside both peak discharge windows
- Seasonal difference: addressed — whether through dual configs or platform adaptation
- All of the above regardless of tariff structure
The panels are the easy part. Anyone can put panels on a roof. The value you add as an installer is in the intelligence of what sits behind them — a dispatch strategy that puts stored energy into the grid at the moments of greatest need, twice a day, every day, summer and winter.
A battery configured for active full-day dispatch is doing its job. Everything else is leaving the work half done.
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Boilerplate and Editor’s Notes.
More Info on Solar Battery Efficiency Guide Stops Wasted Capacity and Optimises Your Dispatch Strategy here:
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