Project Overview
Location: Grazebrook Primary School, Lordship Road, London, N16 0QP
Installation Date: September 2025
Grazebrook Primary School has successfully implemented a comprehensive solar photovoltaic system, demonstrating how
educational institutions can significantly reduce energy costs while contributing to environmental sustainability.
System Specifications
Total PV Modules: 240 JinkoSolar 445W panels
Installed DC Capacity: 106.80 kWp
Maximum AC Power: 89.98 kW
Inverter: SolarEdge SE100K Synergy Manager (100kW)
Power Optimizers: 122 x SolarEdge S1000 optimizers
Performance Metrics
Annual Energy Production
Total Annual Production: 83.01 MWh
Specific Production: 777 kWh/kWp
Performance Ratio: 73%
Energy Distribution
Direct Building Consumption: 45.27 MWh (55% of production)
Grid Export: 37.74 MWh (45% of production)
Solar Meeting Building Needs: 45% of total consumption
Financial Benefits
Current Monthly Bill: £2,500.50
Post-Solar Monthly Bill: £1,211.56
Monthly Savings: £1,288.94
Bill Offset: 51.55%
Long-term Financial Benefits
System Cost: £103,000
Lifetime Bill Savings: £350,807
Net System Profit: £247,807
Total Projected Savings: £489,280 over 25 years
Environmental Impact
Annual CO₂ Emissions Saved: 16.05 tonnes
Equivalent Trees Planted Annually: 737 trees
Levelized Cost of Energy: £0.102/kWh
Key Benefits For Educational Institutions
Immediate Cost Relief: Over 50% reduction in electricity bills
Budget Predictability: Protection against rising energy costs
Educational Resource: Real-world renewable energy learning opportunity
Environmental Leadership: Demonstrating sustainability commitment
Technical Features
Module-level power optimization for maximum energy harvest
Advanced monitoring capabilities
Enhanced safety features with rapid shutdown
Minimal maintenance requirements
Conclusion
The Grazebrook Primary School solar installation demonstrates how schools can successfully transition to sustainable energy solutions. With immediate cost relief of over 50% on electricity bills and substantial long-term savings exceeding £350,000, this project showcases the intelligent choice of solar energy for forward-thinking educational institutions.








