← Methodology

Calculation checks

Expected and computed screening values. Numeric tolerance: ±0.5%; categories require exact matches. Preliminary results must retain their warning.

71 / 71 PASS

CheckExpectedComputedResult
Scope 1 · gas2023 · source: district record; EBeV gas factor, Hs assumed106.5 t CO₂106.525 t CO₂PASS
Scope 2 · electricity2023 · source: district record; UBA factor14.1 t CO₂14.067 t CO₂PASS
Total2023 · district record; EBeV/UBA120.6 t CO₂120.593 t CO₂PASS
Emissions intensity2023 · district record; EBeV/UBA21.6 kg CO₂/m² NRF21.588 kg CO₂/m² NRFPASS
Final energy · Hs2023 · Hs assumed; district record111.4 kWh/m² NRF/year111.425 kWh/m² NRF/yearPASS
Final energy · Hi2023 · EBeV conversion; district record101.2 kWh/m² NRF/year101.212 kWh/m² NRF/yearPASS
Grid factor 20262026 · EnergyLens assumption; UBA actual anchor0.305 kg CO₂/kWh0.305 kg CO₂/kWhPASS
Grid factor 20302030 · EnergyLens assumption; UBA actual anchor0.15 kg CO₂/kWh0.15 kg CO₂/kWhPASS
Grid factor 20452045 · EnergyLens assumption; UBA actual anchor0.02 kg CO₂/kWh0.02 kg CO₂/kWhPASS
BAU 20302030 · EnergyLens assumption; district record/EBeV/UBA20.1 kg CO₂/m² NRF20.067 kg CO₂/m² NRFPASS
KSG reference 20302030 · KSG sector reference proportionally applied; not building target14.2 kg CO₂/m² NRF14.181 kg CO₂/m² NRFPASS
Required reduction 20302023–2030 · KSG sector pace reference34.3 %34.314 %PASS
Gas CO₂ cost 2026 central2026 · BEHG/ETS2 scenario; EBeV gas factor6,392 € net/year6,391.52 € net/yearPASS
Gas CO₂ cost 2030 central2030 · BEHG/ETS2 scenario; EBeV gas factor11,718 € net/year11,717.786 € net/yearPASS
Gas CO₂ cost 2030 high2030 · BEHG/ETS2 scenario; EBeV gas factor17,044 € net/year17,044.052 € net/yearPASS
Residential stage 11.9kg CO₂/m² Wohnfläche/year · CO2KostAufG0 % landlord share0 % landlord sharePASS
Residential stage 12kg CO₂/m² Wohnfläche/year · CO2KostAufG10 % landlord share10 % landlord sharePASS
Residential stage 16.99kg CO₂/m² Wohnfläche/year · CO2KostAufG10 % landlord share10 % landlord sharePASS
Residential stage 17kg CO₂/m² Wohnfläche/year · CO2KostAufG20 % landlord share20 % landlord sharePASS
Residential stage 51.9kg CO₂/m² Wohnfläche/year · CO2KostAufG80 % landlord share80 % landlord sharePASS
Residential stage 52kg CO₂/m² Wohnfläche/year · CO2KostAufG95 % landlord share95 % landlord sharePASS
New-heating split 20272027 · GModG/CO2KostAufGResidential stage ruleResidential stage rulePASS
New-heating split 20282028 · GModG50 % landlord share50 % landlord sharePASS
Residential class 3030 kWh/m² AN/year · GEG classesA+ classA+ classPASS
Residential class 30.130.1 kWh/m² AN/year · GEG classesA classA classPASS
Residential class 130130 kWh/m² AN/year · GEG classesD classD classPASS
Residential class 130.1130.1 kWh/m² AN/year · GEG classesE classE classPASS
Residential class 250250 kWh/m² AN/year · GEG classesG classG classPASS
Residential class 250.1250.1 kWh/m² AN/year · GEG classesH classH classPASS
Gas Jan–Jun2023 · ista degree-day assumption171,429 kWh/year171,429.551 kWh/yearPASS
Gas Jan–Jun status2023 · annualisation rulepreliminary statuspreliminary statusPASS
Gas Jan–Mar status2023 · annualisation ruleinsufficient data statusinsufficient data statusPASS
New heater fossil share 2028GModG biogenic share assumption100 %100 %PASS
New heater fossil share 2029GModG biogenic share assumption90 %90 %PASS
New heater fossil share 2030GModG biogenic share assumption85 %85 %PASS
New heater fossil share 2035GModG biogenic share assumption70 %70 %PASS
New heater fossil share 2040GModG biogenic share assumption40 %40 %PASS
Old heater fossil share2040 · GModG100 %100 %PASS
CO₂ price 2029 central2029 · EnergyLens ETS2 scenario assumption100 €/t CO₂ net100 €/t CO₂ netPASS
CO₂ price 2032 high2032 · EnergyLens ETS2 scenario assumption180 €/t CO₂ net180 €/t CO₂ netPASS
CO₂ price 2040 low2040 · EnergyLens ETS2 scenario assumption60 €/t CO₂ net60 €/t CO₂ netPASS
Case-study tenancy2026 · tenancy/cost pass-through missingnot determined statusnot determined statusPASS
Case-study class2023 · AN/Wohnfläche not publishednot determined statusnot determined statusPASS
Heat pump alone · heat demand2023 · Hi × efficiency 0.90; district record475,427 kWh/year475,427.437 kWh/yearPASS
Heat pump alone · HP electricity2023 · 100% coverage; SCOP 3.0158,476 kWh/year158,475.812 kWh/yearPASS
Heat pump alone · total after2023 · UBA 2023 grid factor74.1 t CO₂74.13 t CO₂PASS
Heat pump alone · change2023 factors-38.5 % vs baseline-38.529 % vs baselinePASS
Operational 5% + envelope 30% + heat pump · total after2023 · combined sequential plan54 t CO₂54.009 t CO₂PASS
Operational 5% + envelope 30% + heat pump · change2023 factors-55.2 % vs baseline-55.214 % vs baselinePASS
Operational 5% + heat pump · total after2023 · public case-study illustrative plan71.1 t CO₂71.127 t CO₂PASS
Operational 5% + heat pump · change2023 · public case-study illustrative plan-41 % vs baseline-41.019 % vs baselinePASS
Fictional example · total CO₂2025 · invented inputs; EBeV/UBA29.4 t CO₂29.364 t CO₂PASS
Fictional example · CO₂ intensity for allocation2026 · illustrative CO2KostAufG30.3 kg CO₂/m² Wohnfläche/year30.333 kg CO₂/m² Wohnfläche/yearPASS
Fictional example · landlord share2026 · illustrative CO2KostAufG40 %40 %PASS
Fictional example · landlord cost net2026 · BEHG illustrative inputs655 € net655.2 € netPASS
Fictional example · landlord cost gross2026 · residential VAT illustrative inputs780 € gross779.688 € grossPASS
Fictional example · indicative class2025 · GEG Anlage 10; heating + hot water onlyD classD classPASS
Fictional example · class intensity2025 · 150,000 ÷ 1.108 ÷ (1.2 × 900 m²)125.4 kWh/m² AN/year125.351 kWh/m² AN/yearPASS
Common-area electricity excluded from class2025 · common-area electricity raised to 60,000 kWh; class energy unchanged125.4 kWh/m² AN/year125.351 kWh/m² AN/yearPASS
Fictional example · heat pump change2025 · invented inputs-48 % vs baseline-48.035 % vs baselinePASS
Fictional example · year-1 savings2026 · invented bill prices; central CO₂ scenario5,547 € net/year5,547.15 € net/yearPASS
Fictional example · simple payback2026 · invented costs and indicative subsidy10.1 years 10.1 years PASS
Plan total equals last incremental stepcombined chain, not sum of measures54,008.794 kg CO₂54,008.794 kg CO₂PASS
Year-1 savings ≤ 0 payback textillustrative prices: gas €0.08, electricity €0.60 net/kWhNo payback from energy savings textNo payback from energy savings textPASS
Load profile · totalsynthetic week · 15-min · 10 kW + 20 kW Mon–Fri 08–182,680 kWh2,680 kWhPASS
Load profile · peaksynthetic week30 kW30 kWPASS
Load profile · base load5th percentile of interval loads10 kW10 kWPASS
Load profile · averagesynthetic week15.95 kW15.952 kWPASS
Load profile · load factoraverage ÷ peak0.532 ratio0.532 ratioPASS
Load profile · off-hours shareoperating hours Mon–Fri 07:00–19:0040.3 %40.299 %PASS
Load profile · off-hours excessΣ max(0, load − 1.1 × base) · indicative0 kWh0 kWhPASS