The full solar and battery design app behind Photonik. Build multi-roof layouts, model strings and shading, pick equipment, price the job, and hand a client-ready proposal to the homeowner — all in one place.
Technical reference for installers, designers, and engineers. Calculators and walkthroughs.
Check string Voc and Vmp against your inverter's MPPT window at record-low and record-high site temperatures.
Sketch a single roof plane or ground area and get a panel count with row spacing and setbacks applied.
Homeowner-facing combined sizing — daily kWh, system kW, and battery kWh. Share the link when a client wants to explore the trade-offs themselves.
Enter each appliance and duty cycle to estimate summer and winter kWh/day before sizing array and battery.
What to consider when retrofitting battery storage — compatibility, sizing, and whether it makes financial sense.
How shifting load to solar hours and optimising consumption profiles can cut electricity bills by 15% or more.
The trade-offs between solar-only and solar-plus-battery systems — payback, self-consumption, and backup power.
Browse manufacturer specs and shortlists: Panels · Inverters · Batteries. See featured comparisons for side-by-side specs on popular models.
Typical solar generation and household load shapes by region — useful for sizing and client conversations.
Annual savings, payback, and 10- and 25-year returns by country — plus indicative prices and rebates for quoting.
Why feed-in tariffs fell, how batteries and VPPs change the value story — useful for client objection handling.
The calculators above each answer one question. Photonik Pro lets you design the whole system in one place — multi-roof layouts, shading losses, equipment selection, pricing, and a proposal the homeowner can sign off on.
Open Photonik Pro →If you're a homeowner rather than an installer, start with the buying guide — it frames the same trade-offs in plain language, with a savings calculator that models your own bill.