{ "_schema": "Per-MW factors for the 'what building it would do here' section of constituency briefings. Every factor carries a status: in_force (published, current guidance), proposed (published but at consultation stage — must be labelled on the page), or derived (computed from authoritative open data, not itself a published factor). A sentence renders only where the factor exists; a missing factor means a missing sentence, never a zero.", "_verified": "2026-08-25", "onshore_wind": { "community_benefit_gbp_per_mw_yr": { "value": 5000, "range": [5000, 5000], "status": "in_force", "source": "DESNZ, Community Benefits Guidance for Onshore Wind in England: projects ≥5 MW expected to provide no less than £5,000 per MW per year for the operational lifetime, CPI index-linked. Scotland's Good Practice Principles set the same rate. Voluntary, not legally mandated.", "source_url": "https://www.gov.uk/government/publications/community-benefits-and-engagement-guidance-for-onshore-wind/community-benefits-guidance-for-onshore-wind-in-england-accessible-webpage", "as_of": "2025-07-04", "note": "Scotland has proposed an uplift to £6,000/MW/yr (Feb 2026 working paper), not yet in force." }, "business_rates_gbp_per_mw_yr": { "value": 17900, "range": [13000, 20500], "status": "derived", "source": "Derived from VOA 2026 non-domestic rating list (SCat 744, sites ≥10 MW matched to REPD, n=76): median rateable value £35,229/MW × England 2026/27 high-value multiplier 50.8p. The VOA publishes no per-MW factor — it values wind farms on a receipts-and-expenditure basis using unpublished models.", "source_url": "https://www.gov.uk/government/publications/22026-notification-of-non-domestic-rating-multipliers-for-202627/22026-notification-of-non-domestic-rating-multipliers-for-202627", "as_of": "2026-02-10" }, "peak_construction_workers_per_mw": { "value": 1.75, "range": [1.6, 1.9], "status": "in_force", "source": "ClimateXChange / Optimat + ITPEnergised, Mapping the current and future workforce and skills requirements in Scotland's onshore wind industry (2024): construction FTE per GW of 1,644–1,929. This is concurrent workers on site, NOT job-years.", "source_url": "https://www.climatexchange.org.uk/wp-content/uploads/2024/05/CXC-Skills-requirements-in-Scotlands-onshore-industry-May-2024.pdf", "as_of": "2024-05-13" } }, "solar_pv": { "community_benefit_gbp_per_mw_yr": { "value": 850, "range": [700, 1000], "status": "proposed", "source": "Scottish Government, Refreshing the Good Practice Principles for Community Benefits from Onshore Renewable Energy (working paper, Feb 2026): £700–£1,000 per MW per year for solar, index-linked. Consultation stage, not in force. DESNZ's May 2025 working paper uses an illustrative £1,000/MW. No industry-body standard exists.", "source_url": "https://www.gov.scot/publications/refreshing-good-practice-principles-community-benefits-onshore-renewable-energy-working-paper/pages/3/", "as_of": "2026-02-18" }, "business_rates_gbp_per_mw_yr": { "value": 1330, "range": [1200, 1500], "status": "derived", "source": "Subsidy-free ground-mounted solar. Basis: VOA / Gerald Eve / Solar Energy UK Photovoltaics Memorandum of Agreement (2023 list) sets an agreed rateable value per MW; the 2026 figure is derived from VOA 2026 rating list (SCat 743, subsidy-free ≥5 MW built 2020+, n=25): median RV £2,775/MW × England 2026/27 standard multiplier 48.0p. Legacy ROC/FiT-era sites are rated far higher.", "source_url": "https://solarenergyuk.org/wp-content/uploads/2023/06/2023-Solar-PV-Memorandum-of-Agreement-signed-by-SEUK-GE-VOA.pdf", "as_of": "2026-02-10" }, "peak_construction_workers_per_mw": { "value": 0.9, "range": [0.7, 1.15], "status": "in_force", "source": "Peak on-site construction workforce per MW from consented UK NSIP environmental statements (East Yorkshire Solar Farm, Mallard Pass, Gate Burton). Peak concurrent headcount, NOT job-years.", "source_url": "https://nsip-documents.planninginspectorate.gov.uk/published-documents/EN010143-000278-6.1%20Chapter%2012%20Socio-Economics%20and%20Land%20Use.pdf", "as_of": "2023-11-01" } }, "battery": { "community_benefit_gbp_per_mw_yr": { "value": 150, "range": [100, 150], "status": "proposed", "source": "Scottish Government working paper (Feb 2026): £150 per MW per year for battery storage, index-linked. Consultation stage, not in force, and the only official numeric figure published anywhere in the UK for battery community benefit. Observed practice centres on about £100/MW. Industry disputes that any standard should apply to storage.", "source_url": "https://www.gov.scot/publications/refreshing-good-practice-principles-community-benefits-onshore-renewable-energy-working-paper/pages/3/", "as_of": "2026-02-18" }, "business_rates_gbp_per_mw_yr": { "value": 3180, "range": [2890, 3430], "status": "derived", "source": "Derived from VOA 2026 non-domestic rating list (SCat 733 Battery Storage, ≥10 MW capacity-matched, n=22): median rateable value £6,625/MW × England 2026/27 standard multiplier 48.0p. The VOA publishes no valuation basis for storage. Rateable value responds to duration (MWh) as well as power, so a per-MW figure is inherently approximate.", "source_url": "https://www.gov.uk/guidance/rating-manual-section-6-part-3-valuation-of-all-property-classes/power-generators", "as_of": "2026-08-03" }, "peak_construction_workers_per_mw": null }, "_omitted": { "battery_construction_jobs": "No credible UK per-MW construction-jobs factor exists for grid-scale storage. The only project-level statements found span 0.05–0.20 workers/MW on a sample of two, with the metric undefined. Omitted rather than guessed.", "job_years": "All workforce figures here are concurrent workers on site at peak, not job-years. Published UK job-year estimates span a 2–4x range depending on whether indirect and induced effects are counted, so we do not use them." } }