{
 "schema": "spawner-tool/v1",
 "id": "bot_012",
 "name": "Balkonkraftwerk Ertrag berechnen: Solar-Rechner für Ihre Anlage",
 "description": "Berechnen Sie den jährlichen Stromertrag Ihres Balkonkraftwerks. Einfacher Ertragsrechner für Solarmodule unter Berücksichtigung von Standort und Neigung.",
 "url": "https://fachrechner.com/de/balkonkraftwerk-ertrag-berechnen/",
 "spec_url": "https://fachrechner.com/de/balkonkraftwerk-ertrag-berechnen/spec.json",
 "language": "de",
 "market": "DE",
 "live_since": "2026-10-25T09:06:18Z",
 "inputs": [
  {
   "id": "modul_leistung",
   "label": "Installierte Leistung",
   "unit": "Wp",
   "min": 100.0,
   "max": 2000.0,
   "step": 50.0,
   "default": 800.0
  },
  {
   "id": "sonnenstunden",
   "label": "Jährliche Volllaststunden",
   "unit": "h",
   "min": 600.0,
   "max": 1200.0,
   "step": 10.0,
   "default": 900.0
  },
  {
   "id": "strompreis",
   "label": "Strompreis",
   "unit": "€/kWh",
   "min": 0.1,
   "max": 1.0,
   "step": 0.01,
   "default": 0.35
  }
 ],
 "constants": [
  {
   "id": "verlust_faktor",
   "value": 0.85,
   "source": "Durchschnittlicher Systemwirkungsgrad (WR + Verkabelung)"
  }
 ],
 "outputs": [
  {
   "id": "jahresertrag",
   "label": "Jährlicher Stromertrag",
   "unit": "kWh",
   "decimals": 0,
   "expression": "(modul_leistung / 1000) * sonnenstunden * verlust_faktor"
  },
  {
   "id": "ersparnis",
   "label": "Jährliche Ersparnis",
   "unit": "€",
   "decimals": 2,
   "expression": "jahresertrag * strompreis"
  }
 ],
 "formula": "Ertrag (kWh) = (Modulleistung (kWp) * Volllaststunden * Systemwirkungsgrad)",
 "expression_language": {
  "name": "safeexpr",
  "syntax": "Python arithmetic subset: + - * / ** %, parentheses, numbers, input/constant ids and ids of earlier outputs, functions abs sqrt log log10 exp floor ceil sin cos tan min max round(x,n), constants pi e, conditionals (a if x > y else b)",
  "semantics": "% is fmod; round() rounds half away from zero; outputs are evaluated in the listed order"
 },
 "example": {
  "inputs": {
   "modul_leistung": 800.0,
   "sonnenstunden": 900.0,
   "strompreis": 0.35
  },
  "outputs": {
   "jahresertrag": 612.0,
   "ersparnis": 214.2
  }
 },
 "verification": "formula checked against independent test vectors; browser JS equals the reference evaluator",
 "commercial_action": {
  "type": "product_search",
  "label": "Passende Balkonkraftwerke finden",
  "product_category": "Photovoltaik-Systeme",
  "store": "eBay.de",
  "query_template": "Balkonkraftwerk Komplettset {modul_leistung} Wp",
  "search_url_template": "https://www.ebay.de/sch/i.html?_nkw={q}",
  "example": {
   "query": "Balkonkraftwerk Komplettset 800 Wp",
   "url": "https://www.ebay.de/sch/i.html?_nkw=Balkonkraftwerk%20Komplettset%20800%20Wp"
  },
  "bom": [
   {
    "slot": 1,
    "kind": "primary",
    "label": "Passend zum Ergebnis (Normgröße)",
    "query_template": "Balkonkraftwerk Komplettset {modul_leistung} Wp",
    "standard_size_step": 0,
    "search_url_template": "https://www.ebay.de/sch/i.html?_nkw={q}",
    "example": {
     "query": "Balkonkraftwerk Komplettset 800 Wp",
     "url": "https://www.ebay.de/sch/i.html?_nkw=Balkonkraftwerk%20Komplettset%20800%20Wp"
    }
   },
   {
    "slot": 2,
    "kind": "accessory",
    "label": "Montagezubehör / Messgerät",
    "query_template": "Solarstecker Set Crimpzange",
    "standard_size_step": 0,
    "search_url_template": "https://www.ebay.de/sch/i.html?_nkw={q}",
    "example": {
     "query": "Solarstecker Set Crimpzange",
     "url": "https://www.ebay.de/sch/i.html?_nkw=Solarstecker%20Set%20Crimpzange"
    }
   }
  ],
  "standard_series": null,
  "affiliate": false,
  "rel": "sponsored nofollow",
  "note": "Parts list (bom) in display order. Replace {placeholders} in query_template with the user's computed values (inputs or outputs); for placeholders listed in standard_series use the smallest series value >= the computed value, then move standard_size_step positions up the series; URL-encode the query and substitute {q} in search_url_template."
 },
 "api": {
  "endpoint": "https://fachrechner.com/api/v1/calc/bot_012",
  "method": "GET",
  "parameters": "input ids as query parameters (missing = default); response JSON with outputs",
  "free_calls_per_day": 10,
  "auth": null,
  "on_limit": "HTTP 402 daily_limit_reached (no paid tier; quota resets 00:00 UTC, Retry-After)",
  "pro_checkout": null,
  "expression_tree": "https://fachrechner.com/m2m/bot_012.json"
 }
}