Reports & Data Stories
This is the original research: price history, convergence maths and the living trackers. The Rs 92 to Rs 27 to Rs 45 per watt story, what a solar-charged commute really costs per kilometre, and monthly trackers for solar imports, EV sales and policy decisions. The numbers here are ours — surveyed, dated, and free to cite with attribution.
5 guides in this pillar · clusters M19 · How we verify ↗
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- Ofgem Energy Price Cap Solar Savings Report: Default Tariff Rates & Payback
Analysis of Ofgem's Energy Price Cap Period 17a and solar PV savings. Review default tariff caps, wholesale costs, VAT zero-rating, and self-consumption ROI.
Updated 18 Sept 2026 - Ofgem SEG Annual Report Data: Solar Generation, Exports & Payments
Ofgem statutory report on UK Smart Export Guarantee volumes. Review £7.19m supplier payments, 77.3 GWh exported, and 99.97% solar PV market dominance.
Updated 18 Sept 2026 - Ofgem Typical Domestic Consumption Values (TDCV) Solar Sizing Report
Report on Ofgem's Typical Domestic Consumption Values (TDCV) and solar PV array sizing. Review Profile Class 1, Economy 7, and battery modeling.
Updated 18 Sept 2026 - UK DESNZ Solar PV Deployment Statistics Report: National Capacity & Milestones
Official DESNZ Energy Trends national statistics report on UK solar PV deployment. Review the 2 million systems milestone, Q1 generation, and rooftop growth.
Updated 18 Sept 2026 - UK SEG Export Tariff Tracker Report: Ofgem Official Rates & Market Data
Comprehensive tracker of UK Smart Export Guarantee tariffs based on Ofgem statutory reporting. Review 39 tariffs, unbundled rates, and licensee rules.
Updated 18 Sept 2026
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New to this? Read these three, in order.
- Ofgem Energy Price Cap Solar Savings Report: Default Tariff Rates & Payback
Analysis of Ofgem's Energy Price Cap Period 17a and solar PV savings. Review default tariff caps, wholesale costs, VAT zero-rating, and self-consumption ROI.
- Ofgem SEG Annual Report Data: Solar Generation, Exports & Payments
Ofgem statutory report on UK Smart Export Guarantee volumes. Review £7.19m supplier payments, 77.3 GWh exported, and 99.97% solar PV market dominance.
- Ofgem Typical Domestic Consumption Values (TDCV) Solar Sizing Report
Report on Ofgem's Typical Domestic Consumption Values (TDCV) and solar PV array sizing. Review Profile Class 1, Economy 7, and battery modeling.