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dd92ba5972
Slice 10 of ADR-0025 costing. The Southern Housing rate table moves from code constants into ashp_rates.json (structured rows the flat scalar catalogue can't hold), loaded via AshpRates.from_json. Products takes an injected AshpRates (default: the committed sheet), so rates are now data -- tunable (e.g. reuse_distribution_fraction) without a code change, and ready for ETL/DB-supplied rates later. Behaviour-preserving: the 6 pinned cost tests still hold against the default, plus a new test proving injected rates drive the total. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
26 lines
697 B
JSON
26 lines
697 B
JSON
{
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"_source": "Southern Housing Group ASHP rates (HEAT PUMPS tab, ECOHT01-68); see ADR-0025. Fully-loaded supply+install rates in GBP.",
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"decommission": {
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"electric_storage_small": 570.0,
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"electric_storage_large": 840.0,
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"gas": 720.0,
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"oil": 720.0,
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"lpg": 960.0
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},
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"heat_pump_bands": [[5.0, 9720.0], [8.0, 9840.0], [11.0, 10200.0], [15.0, 10680.0]],
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"heat_pump_top_price": 11400.0,
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"cylinder": 2382.60,
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"distribution_by_radiators": {
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"4": 2220.0,
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"5": 2550.0,
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"6": 3084.0,
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"7": 3618.0,
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"8": 4152.0,
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"9": 4680.0,
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"10": 5220.0,
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"11": 5754.0,
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"12": 6288.0
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},
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"distribution_flush": 168.0,
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"reuse_distribution_fraction": 0.5
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}
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