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  "description": "Off-grid solar array, battery bank, MPPT controller, string layout, inverter and cost",
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            "sun_hours_winter": "2.8",
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                    "description": "optional days without sun, default 2 (query)"
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                    "description": "required daily energy use in kWh (query)"
                  },
                  "panel_vmp": {
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                    "description": "optional panel max-power voltage, default 34 (query)"
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                    "description": "optional panel open-circuit voltage, default 41 (query)"
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                    "description": "optional watts per panel, default 400 (query)"
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                    "description": "optional peak AC load in watts for the inverter, default derived from daily use (query)"
                  },
                  "sun_hours_summer": {
                    "type": "string",
                    "description": "optional average summer peak sun hours, default winter + 2.5 (query)"
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                  "sun_hours_winter": {
                    "type": "string",
                    "description": "required peak sun hours per day in the worst month (query)"
                  },
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                    "type": "string",
                    "description": "optional battery voltage 12, 24 or 48, default 48 (query)"
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    "heat-pump",
    "led",
    "wind"
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  "lastUpdated": "2026-10-27T22:42:09.821Z",
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    "cacheTtlSeconds": 0,
    "capabilities": [],
    "noAccountRequired": true,
    "noApiKeyRequired": true,
    "sideEffects": "Paid calls settle the advertised payment; see the provider contract for execution behavior.",
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