Everyone already knows to put panels on the roof — now we need to go further. This panel looks behind the scenes at how industrial and retail users combine solar, batteries and heat to cut costs, sell surplus and ride out the next gas price shock.

• Getting the right hybrid mix: what’s the right blend for a low-margin, high-footprint operation?
• When does a hybrid system stop being a cost-saver and start being a revenue asset?
• Sodium-ion storage could fall to $40/kWh within 2–3 years. Does cheaper, safer chemistry rewrite the whole hybrid business case?