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Practical articles on energy audits, energy costs and modernisation — written by Energy Trend’s auditors and engineers.

Audytor energetyczny podczas kontroli instalacji grzewczej w budynku użyteczności publicznej.
  • Energy audits

Public building energy audit – how to prepare a municipal building for energy renovation?

A public building energy audit helps move from utility bills and a general renovation plan to a building model and specific improvement options. We explain what data to prepare, how to account for operating hours, building systems and different functions within one building, and why

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Audytor energetyczny analizujący instalację grzewczą w pomieszczeniu technicznym budynku wielorodzinnego.
  • Energy audits

Multifamily building energy audit – what does it cover and how should you prepare the building for an energy retrofit?

A multifamily building energy audit assesses the condition of the building envelope, systems and heat source and establishes the building’s energy balance. This makes it possible to compare energy retrofit options, their energy and economic effects, and the appropriate sequence of works. The article also

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Audytor energetyczny ocenia wielorodzinny budynek mieszkalny na terenie wiejskim przed planowaną termomodernizacją.
  • Energy audits, Financing and regulations

Grant for energy renovation of multifamily buildings in rural Poland – Modernisation Fund 2026

Poland’s Modernisation Fund provides support for the energy renovation of selected multifamily buildings in rural areas, particularly those linked to former State Agricultural Farms (PGRs). The programme has been approved, but as of 3 September 2026 the call for applications is still planned and the

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Audytor energetyczny podczas kontroli instalacji grzewczej w budynku edukacyjnym przed planowaną termomodernizacją.
  • Financing and regulations

Grant for improving the energy efficiency of educational buildings – Modernisation Fund 2026

The new Modernisation Fund programme is intended to support the energy modernisation of schools and other educational buildings. The call for applications is planned for Q4 2026, and the grant may cover up to 85% of eligible costs if the programme conditions are met. The

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Audytor energetyczny sprawdzający instalacje techniczne i system grzewczy w budynku szpitalnym.
  • Financing and regulations

Grant for improving the energy efficiency of hospital buildings – Modernisation Fund 2026

Poland’s NFOŚiGW has approved the “Improving the energy efficiency of hospital buildings” programme financed by the Modernisation Fund. The call is planned for Q3 2026, but as of 3 September 2026 no exact opening date or complete call documentation had been published. We explain who

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  • Bez kategorii, Energy audits

Hospital energy audit – what should be analysed in a building operating 24/7?

A hospital requires a different audit approach from a standard building because some systems operate around the clock and individual zones have different sanitary and technical requirements. The audit should combine heat and electricity balances with an analysis of ventilation, cooling, domestic hot water, BMS,

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Audytor energetyczny sprawdzający instalację grzewczą podczas audytu energetycznego szkoły.
  • Energy audits

School energy audit – what does it cover and how should the building be prepared for an energy retrofit?

A school energy audit identifies where a building loses energy and which upgrades have the strongest technical and economic justification. The analysis should account for the school’s operating schedule, school holidays and summer breaks, classroom ventilation, heating, domestic hot water, lighting, windows and doors, the

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Ekspert analizujący profil poboru energii i parametry instalacji elektrycznej w zakładzie przemysłowym.
  • Bez kategorii, Energy costs

Distribution tariff for a business – when can changing the tariff group reduce costs?

A tariff group should not be selected on the basis of industry or annual energy consumption alone. The outcome depends, among other things, on operating hours, the distribution of consumption across tariff time bands, weekends, seasonality and power demand. This article explains what data to

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Audytor energetyczny analizujący profil poboru mocy przy rozdzielnicy elektrycznej w zakładzie przemysłowym
  • Energy costs, Energy Measurements

Selecting contracted capacity for a business – how to check whether it matches the actual demand profile?

Contracted capacity is often treated as a parameter that is set once and then simply carried over into subsequent contracts. Yet over several years a plant may change its production, machinery, number of shifts, automation, on-site generation or the way equipment is started. As a

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