Rolls-Royce Civil Aerospace and IETF eligibility
Rolls-Royce Sinfin (Derby) manufactures large civil aero-engines (Trent series) and is the UK's largest manufacturing energy consumer in civil aerospace. Aerospace manufacturing is IETF-eligible: precision machining centres (CNC milling, turning, grinding), automated assembly, testing, surface treatment, and heat treatment processes. IETF intervention rate for aerospace manufacturing: 30-45%. Maximum IETF award: £10m. A Rolls-Royce Tier-1 supplier running 1.5 MW solar at £1.1m installed cost with 40% IETF intervention: £440k grant + £275k AIA = £715k year-one public funding. Net effective capex: £385k. Annual saving at 88% self-consumption (22p/kWh): £183,000. Payback: 2.1 years. Rolls-Royce's supply chain sustainability programme (2035 net zero for operations) requires Tier-1 suppliers to demonstrate Scope 2 reduction roadmap — verified solar generation satisfies this.
Toyota Burnaston and the Derbyshire supply chain
Toyota Manufacturing UK at Burnaston (4 miles south-west of Derby city centre) employs 3,000 people and produces 100,000+ Corolla and RAV4 Hybrid vehicles annually. Toyota's Environmental Challenge 2050 requires zero carbon dioxide emissions across the value chain — flowing to all Toyota UK supply chain partners. Toyota Burnaston Scope 3 requirements are currently at assessment-questionnaire stage for Tier-1 suppliers, moving to formal verification requirement by 2027. The Toyota supply chain at Derby/South Derbyshire includes stamping, injection moulding, electronics assembly, and logistics operations — all with good solar self-consumption (85-92%). IETF is available to IETF-eligible processes in the Toyota supply chain (automotive stamping, casting, and surface treatment qualify).
Derby logistics corridor — Alfreton Road and Pride Park
Derby's commercial solar market beyond manufacturing includes the Alfreton Road industrial corridor (A38 south of city) and Pride Park Business Park (adjacent to Pride Park football stadium). Alfreton Road corridor: mixed light industrial and logistics, 100-500 kW typical system size, WPD G99 5-7 months. Pride Park: tech-adjacent offices and medium logistics (50,000-200,000 sqft), 200-800 kW typical. Self-consumption for general logistics: 74-82%. Payback: 5-6 years.
WPD DNO — Derby-specific G99 timelines
Western Power Distribution covers Derby and the East Midlands. Derby city centre and Sinfin/Osmaston industrial area: 5-6 months G99 typical for 250 kW - 2 MW systems. Burnaston area (DE65): 5-7 months. A38 corridor south: 5-7 months. WPD has good industrial grid capacity in Derby — few sites require significant reinforcement works. Below 250 kW: G98 self-certification, 4-6 weeks.
Common questions
Which Derby businesses qualify for IETF grants?
IETF Phase 3 eligible Derby operations: aerospace precision machining and assembly (Rolls-Royce supply chain — GKN Aerospace, Senior Plc, Ultra Electronics); automotive stamping and forming (Toyota supply chain); food manufacturing; pharmaceutical manufacturing; chemical processing. Minimum project £100k. IETF intervention rate 30-50%. Application process: 3 stages, typical timeline 12-18 months from EOI to grant payment. We confirm IETF eligibility and support applications for all Derby manufacturing clients.
Is Toyota Burnaston itself a solar PV candidate?
Yes — Toyota Burnaston has 1.5m sqft of production space across multiple buildings. Potential 5-8 MW total rooftop PV capacity. Toyota Environmental Challenge 2050 includes zero CO2 at manufacturing sites. Toyota's corporate size means the IETF application would be complex (large company threshold and associated reporting). AIA is available per qualifying entity. We have delivered automotive OEM feasibility studies and are familiar with Toyota's procurement and environmental documentation requirements.
What does a Derby solar audit pack include?
Standard project audit pack: PVSyst yield model for Derby irradiance (940-960 kWh/kWp/yr, WPD region); MCS commercial certificate; monthly generation CSV + PDF (compatible with Toyota Scope 3 and Rolls-Royce supply chain verification format); embodied carbon LCA; half-hourly self-consumption profile; IETF documentation (where applicable); 25-year output warranty; 10-year IWA workmanship cover.