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fac64a90cc
When DHW is supplied by a community heat network (WHC 901/902/914 on a heat-network main), the network heat -- space AND water -- bills at the main's Table-12 heat-network rate. The STANDARD-tariff §10a cost path (_fuel_cost) re-derived the DHW rate inline from the cert-lodged HW fuel, which Elmhurst defaults to 'Mains gas' (Table 32 code 26, 3.48 p/kWh) on community certs -- under-costing DHW and over-rating SAP. Now inherits the main heat-network rate via _fuel_cost_gbp_per_kwh, mirroring the .173 inherit already applied on the legacy/off-peak HW-rate paths. Scoped to community heating, so all other certs are unchanged; the RdSAP-21.0.1 corpus gauge improves 78.6%->78.9% within-0.5 (MAE 0.628->0.622) with all 195 Elmhurst worksheet pins green. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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| .. | ||
| abri | ||
| addresses | ||
| billing | ||
| bulk_document_download | ||
| data_transformation | ||
| elmhurst | ||
| epc | ||
| epc_prediction | ||
| fuel_rates | ||
| geospatial | ||
| magicplan | ||
| modelling | ||
| property | ||
| property_baseline | ||
| sap10_calculator | ||
| sap10_ml | ||
| tasks | ||
| building_geometry.py | ||
| postcode.py | ||