Finance AvailableLocated in the sought-after village of Clapton-in-Gordano, Bristol, this detached two-storey family home had significant energy demands, with annual electricity usage of approximately 9,000 kWh. With rising energy prices and a desire for greater resilience, the homeowners sought a comprehensive solar and battery storage solution to reduce costs and protect their home from power interruptions.
Their objective was clear: generate more of their own electricity, store surplus energy efficiently, and ensure the property remained powered during grid outages.
The Requirement
The customer approached us looking for a system that would:
- Substantially reduce their annual electricity bills
- Provide battery storage for evening and low-generation periods
- Offer reliable protection from power cuts
- Maximise self-consumption while allowing profitable grid export
Given the property’s high electricity usage, the system needed to be appropriately sized to deliver meaningful financial and environmental returns.
The Solution
To meet the household’s energy needs, we designed and installed a powerful 9 kWp solar PV system, engineered for both performance and long-term reliability.
The installation includes 20 × 450W DMEGC solar panels, forming a high-output array capable of generating an estimated 7,262 kWh per year. Each panel was fitted with optimisers to ensure optimal performance and enhanced monitoring at panel level.
Energy storage is delivered via an 18 kWh SigEnergy battery system, allowing the household to store excess daytime generation for use during the evening or in periods of low sunlight. This significantly increases self-sufficiency and reduces peak-time grid imports.
An 8 kW SigEnergy inverter manages the system’s production and storage, ensuring efficient energy distribution throughout the property.
To provide resilience, a Gateway backup system was installed, enabling essential circuits to remain operational during power outages — offering peace of mind and uninterrupted comfort.
The full installation was completed within two days, demonstrating efficient project delivery without compromising quality.
Installation Fact File
- Property Type: Detached 2-storey family home
- Location: Clapton-in-Gordano, Bristol
- Solar Panels: 20 × 450W DMEGC
- System Size: 9 kWp
- Inverter: SigEnergy 8 kW
- Battery Storage: 18 kWh SigEnergy
- Estimated Annual Generation: 7,262 kWh
- Annual CO₂ Savings: 2 tonnes
- Grid Independence: 65%
- Estimated Annual Savings: £1,445
- Estimated ROI: 9 years
- Project Duration: 2 days
- Additional Features:
- Power-cut protection via Gateway
- Optimisers on all panels
- Maximised grid export returns
Performance & Financial Impact
With estimated generation of 7,262 kWh per year, the system offsets a substantial portion of the household’s 9,000 kWh annual consumption. The combination of solar generation and 18 kWh battery storage enables approximately 65% grid independence, significantly reducing reliance on imported electricity.
Financially, the system is projected to deliver £1,445 in annual savings, with a return on investment estimated at 9 years. After this period, the household will continue to benefit from decades of low-cost, renewable energy.
Environmentally, the installation reduces carbon emissions by approximately 2 tonnes of CO₂ annually, contributing meaningfully to the household’s sustainability goals.
Conclusion
This Clapton-in-Gordano installation demonstrates how higher-usage family homes can successfully transition to renewable energy while enhancing resilience and long-term cost control.
By combining a high-capacity solar array, substantial battery storage, intelligent inverter technology, and backup protection, the homeowners now benefit from:
- Significant annual energy savings
- Greater control over electricity usage
- Protection during power outages
- Reduced carbon emissions
- A strong long-term financial return
For properties with substantial energy demands, a professionally designed solar and battery system is not just an environmental choice — it is a smart investment in energy security, stability, and future savings.
