{
  "slug": "solarpflicht-baden-wuerttemberg",
  "title": "Solarpflicht Baden-Württemberg 2026 – PV-Pflicht bei Neubau, Dachsanierung und Parkplatz (§ 23 KlimaG BW)",
  "topic_area": "bau-sanierungsrecht",
  "topic_label": "Bau- und Sanierungsrecht",
  "language": "de",
  "legal_status": "in_force",
  "valid_from": "2022-01-01",
  "valid_to": null,
  "last_reviewed": "2026-07-06",
  "factcheck_status": "ok",
  "authority_level": "A",
  "license": "CC-BY-4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/deed.de",
  "attribution": "Nexvyra (https://nexvyra.de, Wikidata Q139919900)",
  "wikidata_subjects": [],
  "summary": "Baden-Württemberg war das erste Bundesland mit einer Photovoltaik-Pflicht. Rechtsgrundlage ist **§ 23 des Klimaschutz- und Klimawandelanpassungsgesetzes (KlimaG BW)**, konkretisiert durch die **Photovoltaik-Pflicht-Verordnung (PVPf-VO)**.",
  "urls": {
    "html": "https://nexvyra.de/fakten/solarpflicht-baden-wuerttemberg.html",
    "markdown": "https://nexvyra.de/fakten/solarpflicht-baden-wuerttemberg.md",
    "json": "https://nexvyra.de/fakten/solarpflicht-baden-wuerttemberg.json"
  },
  "sources": [
    {
      "url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
      "authority": "D"
    },
    {
      "url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=PVInstPfV+BW&psml=bsbawueprod.psml&max=true",
      "authority": "D"
    },
    {
      "url": "https://www.gesetze-im-internet.de/enwg_2005/__17.html",
      "authority": "A"
    },
    {
      "url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=DSchG+BW+%C2%A7+7&psml=bsbawueprod.psml&max=true",
      "authority": "D"
    },
    {
      "url": "https://um.baden-wuerttemberg.de/de/klima-energie/energiewende/erneuerbare-energien/sonnenenergie/photovoltaik/photovoltaikpflicht/faq-photovoltaikpflicht",
      "authority": "D"
    },
    {
      "url": "https://um.baden-wuerttemberg.de/de/klima-energie/energiewende/erneuerbare-energien/sonnenenergie/photovoltaik/photovoltaikpflicht",
      "authority": "D"
    },
    {
      "url": "https://um.baden-wuerttemberg.de/de/klima-energie/energiewende/erneuerbare-energien/sonnenenergie/photovoltaik/photovoltaikpflicht/rechtsgrundlagen-und-rechtsquellen",
      "authority": "D"
    },
    {
      "url": "https://www.kea-bw.de/photovoltaik/klimaschutzgesetz-photovoltaik-auf-dachflaechen",
      "authority": "D"
    }
  ],
  "facts": [
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      "label": "Rechtsgrundlage",
      "value": "§ 23 KlimaG BW + PVPf-VO",
      "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
      "source_authority": "C",
      "confidence": "medium",
      "last_verified": "2026-07-06",
      "jurisdiction": "DE-BW",
      "unit": "law_reference",
      "valid_from": "2022-01-01",
      "valid_to": null,
      "valid_to_status": "open_ended",
      "evidence": {
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        "locator": "siehe Quelle (landesrecht-bw.de)",
        "retrieved_at": "2026-07-06",
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        "consistent_across_formats": false,
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      "trust_score": 0.622
    },
    {
      "claim": "Pflicht Neubau Parkplatz (> 35 Stellplätze) seit: 2022-01-01",
      "label": "Pflicht Neubau Parkplatz (> 35 Stellplätze) seit",
      "value": "2022-01-01",
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      "value": "2022-01-01",
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    {
      "claim": "Pflicht Neubau Wohngebäude seit: 2022-05-01",
      "label": "Pflicht Neubau Wohngebäude seit",
      "value": "2022-05-01",
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      "confidence": "medium",
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      "valid_from": "2022-01-01",
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      "valid_to_status": "open_ended",
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        "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
        "locator": "siehe Quelle (landesrecht-bw.de)",
        "retrieved_at": "2026-07-06",
        "source_hash": null,
        "hash_status": "pending"
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      "inline_source_label": "landesrecht-bw",
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      "claim": "Pflicht grundlegende Dachsanierung seit: 2023-01-01",
      "label": "Pflicht grundlegende Dachsanierung seit",
      "value": "2023-01-01",
      "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
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      "last_verified": "2026-07-06",
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      "unit": "date",
      "valid_from": "2022-01-01",
      "valid_to": null,
      "valid_to_status": "open_ended",
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        "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
        "locator": "siehe Quelle (landesrecht-bw.de)",
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        "source_hash": null,
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    {
      "claim": "Maßgeblicher Zeitpunkt (Neubau): Eingang Bauantrag / vollständige Bauvorlagen",
      "label": "Maßgeblicher Zeitpunkt (Neubau)",
      "value": "Eingang Bauantrag / vollständige Bauvorlagen",
      "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
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      "unit": "text",
      "valid_from": "2022-01-01",
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        "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
        "locator": "siehe Quelle (landesrecht-bw.de)",
        "retrieved_at": "2026-07-06",
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    {
      "claim": "Maßgeblicher Zeitpunkt (Dachsanierung): Baubeginn am Dach",
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      "value": "Baubeginn am Dach",
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      "confidence": "medium",
      "last_verified": "2026-07-06",
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      "valid_to_status": "open_ended",
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        "retrieved_at": "2026-07-06",
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        "hash_status": "pending"
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      "claim": "Mindestbelegung (Regelfall): 60 % der geeigneten Dachfläche (§ 6 Abs. 1 PVPf-VO)",
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        "consistency_weight": 0.7,
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    {
      "claim": "Ausnahme kleine Gebäude: Nutzfläche < 50 m² (Netto-Grundfläche DIN 277)",
      "label": "Ausnahme kleine Gebäude",
      "value": "Nutzfläche < 50 m² (Netto-Grundfläche DIN 277)",
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        "source_hash": null,
        "hash_status": "pending"
      },
      "inline_source_label": "landesrecht-bw",
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        "authority_weight": 0.3,
        "freshness_days": 8,
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        "locator_weight": 1.0,
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        "semantic_clean": true,
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        "consistency_weight": 0.7,
        "legal_status": "",
        "status_weight": 0.5
      },
      "trust_score": 0.622
    },
    {
      "claim": "Deckelung installierte Leistung (Inbetriebnahme ab 1.5.2025): 750 kWp (davor 1.000 kWp)",
      "label": "Deckelung installierte Leistung (Inbetriebnahme ab 1.5.2025)",
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      "last_verified": "2026-07-06",
      "jurisdiction": "DE-BW",
      "unit": "text",
      "valid_from": "2022-01-01",
      "valid_to": null,
      "valid_to_status": "open_ended",
      "evidence": {
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        "retrieved_at": "2026-07-06",
        "source_hash": null,
        "hash_status": "pending"
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      "inline_source_label": "landesrecht-bw",
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        "authority": "C",
        "authority_weight": 0.3,
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        "locator_weight": 1.0,
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        "semantic_clean": true,
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        "consistency_weight": 0.7,
        "legal_status": "",
        "status_weight": 0.5
      },
      "trust_score": 0.622
    },
    {
      "claim": "Zulässige Ersatzmaßnahmen: Solarthermie, Fassade/andere Außenflächen, unmittelbare Umgebung",
      "label": "Zulässige Ersatzmaßnahmen",
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      "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
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      "valid_from": "2022-01-01",
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        "source_hash": null,
        "hash_status": "pending"
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      "inline_source_label": "landesrecht-bw",
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        "authority_weight": 0.3,
        "freshness_days": 8,
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        "consistency_weight": 0.7,
        "legal_status": "",
        "status_weight": 0.5
      },
      "trust_score": 0.622
    },
    {
      "claim": "Härtefall-Schwelle Wohngebäude: PV-Kosten > 10 % der Baukosten (§ 7 PVPf-VO)",
      "label": "Härtefall-Schwelle Wohngebäude",
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      "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
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      "confidence": "medium",
      "last_verified": "2026-07-06",
      "jurisdiction": "DE-BW",
      "unit": "percent",
      "valid_from": "2022-01-01",
      "valid_to": null,
      "valid_to_status": "open_ended",
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        "retrieved_at": "2026-07-06",
        "source_hash": null,
        "hash_status": "pending"
      },
      "inline_source_label": "landesrecht-bw",
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        "authority": "C",
        "authority_weight": 0.3,
        "freshness_days": 8,
        "freshness_weight": 0.996,
        "has_locator": true,
        "locator_weight": 1.0,
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        "evidence_weight": 0.25,
        "semantic_clean": true,
        "semantic_weight": 1.0,
        "consistent_across_formats": false,
        "consistency_weight": 0.7,
        "legal_status": "",
        "status_weight": 0.5
      },
      "trust_score": 0.622
    },
    {
      "claim": "Härtefall-Schwelle Nichtwohngebäude: > 20 % der Baukosten",
      "label": "Härtefall-Schwelle Nichtwohngebäude",
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      "confidence": "medium",
      "last_verified": "2026-07-06",
      "jurisdiction": "DE-BW",
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      "valid_from": "2022-01-01",
      "valid_to": null,
      "valid_to_status": "open_ended",
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        "locator": "siehe Quelle (landesrecht-bw.de)",
        "retrieved_at": "2026-07-06",
        "source_hash": null,
        "hash_status": "pending"
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        "authority": "C",
        "authority_weight": 0.3,
        "freshness_days": 8,
        "freshness_weight": 0.996,
        "has_locator": true,
        "locator_weight": 1.0,
        "has_evidence_hash": false,
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        "evidence_weight": 0.25,
        "semantic_clean": true,
        "semantic_weight": 1.0,
        "consistent_across_formats": false,
        "consistency_weight": 0.7,
        "legal_status": "",
        "status_weight": 0.5
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      "trust_score": 0.622
    },
    {
      "claim": "Härtefall-Schwelle Parkplatz: > 30 % der Baukosten",
      "label": "Härtefall-Schwelle Parkplatz",
      "value": "> 30 % der Baukosten",
      "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
      "source_authority": "C",
      "confidence": "medium",
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      "jurisdiction": "DE-BW",
      "unit": "percent",
      "valid_from": "2022-01-01",
      "valid_to": null,
      "valid_to_status": "open_ended",
      "evidence": {
        "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
        "locator": "siehe Quelle (landesrecht-bw.de)",
        "retrieved_at": "2026-07-06",
        "source_hash": null,
        "hash_status": "pending"
      },
      "inline_source_label": "landesrecht-bw",
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        "authority": "C",
        "authority_weight": 0.3,
        "freshness_days": 8,
        "freshness_weight": 0.996,
        "has_locator": true,
        "locator_weight": 1.0,
        "has_evidence_hash": false,
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        "semantic_weight": 1.0,
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        "consistency_weight": 0.7,
        "legal_status": "",
        "status_weight": 0.5
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      "trust_score": 0.622
    },
    {
      "claim": "Nachweis: MaStR-Registrierung binnen 12 Monaten nach Baufertigstellung",
      "label": "Nachweis",
      "value": "MaStR-Registrierung binnen 12 Monaten nach Baufertigstellung",
      "source_url": "https://www.landesrecht-bw.de/jportal/?quelle=jlink&query=KlimaSchG+BW&psml=bsbawueprod.psml&max=true",
      "source_authority": "C",
      "confidence": "medium",
      "last_verified": "2026-07-06",
      "jurisdiction": "DE-BW",
      "unit": "text",
      "valid_from": "2022-01-01",
      "valid_to": null,
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        "retrieved_at": "2026-07-06",
        "source_hash": null,
        "hash_status": "pending"
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        "authority_weight": 0.3,
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        "locator_weight": 1.0,
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        "consistency_weight": 0.7,
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        "status_weight": 0.5
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      "trust_score": 0.622
    },
    {
      "claim": "Vollzugsbehörde: untere Baurechtsbehörde (§ 31 Abs. 1 KlimaG BW)",
      "label": "Vollzugsbehörde",
      "value": "untere Baurechtsbehörde (§ 31 Abs. 1 KlimaG BW)",
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      "confidence": "medium",
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      "unit": "law_reference",
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      "claim": "Bußgeldhöhe bei Verstoß: ungeklärt – nicht amtlich bestätigt (siehe Häufige Fehler)",
      "label": "Bußgeldhöhe bei Verstoß",
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  "generated_at": "2026-07-14T05:18:35Z"
}