Sigenergy Solar and Battery

Sigenergy SigenStor 4kW Solar & 18kWh Battery Package (Supply & Installation)

System Hardware Breakdown

1. Sigenergy SigenStor 8kW Hybrid Inverter (Energy Controller)

• 8kW Power Capacity (40A AC Output): Delivers an impressive 40-amp continuous AC output—providing substantial headroom to power multiple high-demand appliances (heat pumps, ovens, electric hobs, EV chargers) simultaneously without grid support.
• Modular Stackable Design: Components stack seamlessly together with concealed internal connections—eliminating external cabling runs, isolator clutter, and pipework.
• IP66 All-Weather Rating: Heavy-duty enclosure engineered for flexible indoor or outdoor installation.
• Modular Expansion: Integrated provisions allow easy addition of extra battery modules straight onto the stack as your energy needs grow.

2. Sigenergy 18kWh LFP Battery Storage (2x 9kWh Stacked Battery Modules)

• Usable Capacity: Expansive 18kWh total energy capacity using ultra-safe, long-life Lithium Iron Phosphate (LiFePO4) cell technology.
• Double Storage Capacity: Store enough low-cost energy overnight to run an average 3–4 bedroom home for a full day without relying on peak grid rates.
• Multi-Layer Thermal Protection: Built-in internal fire-extinguishing protection, cell thermal isolation, and real-time automated safety monitoring on each module.

3. 4kW Premium Solar Array (8x LONGi 505W EcoLife All-Black Panels)

• High-Yield Output: 8x premium LONGi 505W panels providing over 4kW total peak array power.
• Sleek All-Black Design: Dark cells and black frames deliver a subtle, high-end appearance on any roof type.
• N-Type Back-Contact Technology: Superior efficiency designed for maximum generation on low-light and overcast UK days.

Optional System Add-Ons Available

• Sigenergy 12kW DC Bi-Directional EV Charger: Stacks directly onto the SigenStor tower for ultra-fast DC vehicle charging straight from your solar and battery array, complete with Vehicle-to-Home (V2H) and Vehicle-to-Grid (V2G) bi-directional capability.
• Sigenergy Sigen Gateway (Whole-Home Backup Power): Provides seamless micro-second automatic switchover to keep your home fully powered during grid power cuts and outages.

AI Smart Control (mySigen App)

• AI Tariff Optimisation: Automatically adapts to your usage habits and forecasts weather patterns to maximise savings.
• Smart Tariff Sync: Connects directly with dynamic off-peak tariffs (such as Octopus Flux, Intelligent Octopus Go, or E.ON Next Drive) to automatically charge the battery at the lowest rates and power your home through expensive peak periods.
• Live Monitoring: Track solar generation, battery level, home usage, and savings live on your smartphone.

Estimated Annual Savings

• Estimated Bill Savings: £1,100 – £1,650+ per year (based on a medium-to-large UK household utilising smart off-peak rates during winter and solar self-consumption in summer).
• Grid Reliance Reduction: Reduces annual mains grid electricity dependency by up to 80%–90%.

Warranties & Our 10-Year Workmanship Guarantee

• Morgan Energy 10-Year Workmanship Guarantee: Every mechanical roof mount, DC isolation, AC connection, and consumer unit integration is fully backed by our local Peterborough team for 10 years.
• Sigenergy Hardware: 10-Year Manufacturer Warranty on the Inverter and Battery Stack (guaranteeing at least 70% battery capacity retention at 10 years).
• LONGi Solar Panels: 30-Year Product & Performance Warranty (guaranteeing >88% power output after 30 years).

Standard Supply & Installation Package Included

• Complete Turnkey Installation: Roof mounting, DC wiring, inverter/battery stack assembly, and final AC connection to your distribution board.
• Scaffolding Included: Complete edge protection and safety scaffolding supplied and erected to cover standard two-storey roof access.
• DNO Grid Approvals: All G98/G99 grid applications handled directly by our team.
• 50-Mile Local Service Area: Covers all properties within 50 miles of Peterborough.
• Full Certification: Delivered with an Electrical Installation Certificate (EIC).