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Resources
Knowledge Centre
Short, practical explanations of the decisions that actually change the outcome of a renewable energy project.
Start with
Key topics
Before you generate, understand your usage
Half-hourly data tells you more about system value than roof size does. Start with the Energy Bill & Usage Review.
ReadPlanning permission and grid limits
What is permitted development, when G99 applies, and why export limitation is often the pragmatic answer.
ReadFunding a community building project
How mosques, churches and schools typically fund solar, and what funders ask for.
ReadBatteries: when they pay and when they don't
Sizing against evening load and tariff structure rather than against generation alone.
ReadHeat pumps are not boiler swaps
Why flow temperature, emitter sizing and heat loss calculations decide whether a heat pump works.
ReadTax treatment of renewable capex
The questions worth putting to your accountant before you commit to a commercial installation.
ReadIn depth
Technical guides
How Does Solar PV Actually Work?
A plain-English walk through the photovoltaic effect, inverters, orientation, shading and why panels still generate on cloudy days.
ReadBattery Storage: Usable Capacity vs Power vs Energy Explained
Understand kWh and kW, usable capacity, depth of discharge, right-sizing and the difference between AC- and DC-coupled systems.
ReadWhat Affects Whether a Property Suits an Air Source Heat Pump?
Why heat loss, radiator sizing, hot water cylinders, outdoor unit siting and a proper survey matter more than a generic rule of thumb.
ReadStill not sure what applies to you?
Send us the building details and we will tell you which of these actually matter.