by Technical Department Heiwit | 5 August 2026 | Insights, Sodium ion batteries, New green technologies
Imagine a BESS container installed in an industrial area, next to a warehouse where dozens of people work every day. Inside, there are hundreds of cells storing energy. Under normal conditions, everything runs smoothly. But what happens if a cell...
by Technical Department Heiwit | 4 Aug 2026 | Studies and research
Producing in a year an amount of energy similar to the annual consumption of a perimeter does not mean making it self-sufficient. To transform the potential of public roofs into truly used energy, hourly profiles, the grid, contracts, storage and rules of...
by Technical Department Heiwit | 4 Aug 2026 | Studies and research
The decisive step is not estimating how many panels can fit on roofs, but transforming thousands of surfaces into an orderly pipeline of financeable, permittable and constructible projects. 2027 EPBD threshold for public buildings >2,000 m² 2028 threshold >750 m² 2030 threshold >250...
by Technical Department Heiwit | 4 Aug 2026 | Studies and research
The Heiwit model yields 5.68 GWp of theoretical capacity and 7.53 TWh of annual generation. These are large-scale results, but they have not yet been independently replicated. This page presents them with correct equivalences and necessary caveats. 5.68 GWptheoretical power...
by Technical Department Heiwit | 4 Aug 2026 | Studies and research
The preliminary economic model states approximately €6.8 billion of investment. The figure is interesting, but it must not be turned into a promise of return until cash flows, price sources and sensitivity analyses are published. €6.8 bn aggregated CAPEX...
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