Alert · Open · 13 October 2026

ISDE: investment subsidy for sustainable energy and energy saving

What is happening

ISDE is open: applications have been possible since 5 January 2026. Changes for 2026: the starting amount for an air-to-water heat pump (first unit) is €1,025 (was €1,250), €225 per kW applies from the first kW, and the label bonus is €200.

Who it matters to

For bouw & installatie, bouw & installatie, bouw & installatie. Your customers can get a subsidy on installations and insulation you supply.

Source: RVO

RadarApp provides information, not legal, tax or financial advice. We check sources but cannot guarantee coverage, accuracy or eligibility. Always check deadlines and conditions at the official source before applying or making a decision. No alert does not mean that nothing is happening.