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How Much Money Can I Save by Installing 10 Solar Panel System?

Let’s Talk About Real Solar Panel Savings.

Let’s calculate the potential solar panel savings for a 10 solar panel system (4kW) installed for £3,999 on a south-facing roof in Scotland:

  1. Initial cost: £3,999
  2. Annual electricity bill savings: For a 4kW system in Scotland, you can expect to save approximately £660 per year on your electricity bill.
  3. Energy generation: A 4kW system in Scotland can typically generate around 3,200 kWh of electricity per year, assuming optimal conditions with a south-facing roof.
  4. Long-term solar panel savings: Over the 25-year lifespan of the solar panels, you could save approximately £16,500 on electricity bills (£660 x 25 years). This figure doesn’t account for potential increases in electricity prices, which could lead to even higher savings.
  5. Payback period: Based on these figures, the payback period for your solar panel system would be around 6 years (£3,999 / £660 = 6.06 years). After this point, the system will be generating “free” electricity for the remainder of its lifespan.
  6. Total solar panel savings: Subtracting the initial cost from the long-term savings, your net savings over 25 years would be approximately £12,501 (£16,500 – £3,999).

It’s important to note that these calculations are based on average figures and estimates. Actual savings can vary based on factors such as your specific energy usage, the efficiency of your system, and future changes in electricity prices. However, with a south-facing roof in Scotland and a competitively priced 4kW system, you’re well-positioned to maximise your potential savings from solar energy.

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What Are the Benefits of Adding Battery Storage?

The Synergy Between Solar Panels Savings and Solar Battery Storage.

There are several key benefits to adding battery storage to a 4kW solar panel system:

  1. Increased energy efficiency: Without a battery, approximately 50% of the energy generated by a 4kW solar system remains unused. Adding a solar battery allows you to use around 30% more solar energy, increasing your overall system efficiency.
  2. Reduced reliance on the grid: By storing excess energy generated during the day, you can use it in the evening or during periods of low sunlight, reducing your dependence on grid electricity.
  3. Cost savings: A 4kW solar system with battery storage can save up to £870 a year on electricity bills.
  4. Emergency power source: Stored energy can be used to power essential appliances during power outages.
  5. Lower carbon footprint: By using more of your own generated renewable energy, you reduce your overall carbon emission.
  6. Protection against price hikes: Having your own energy storage provides some insulation from rising electricity prices.
  7. Potential for additional income: With a battery, you may have more opportunities to export excess energy to the grid and earn money through schemes like the Smart Export Guarantee (SEG).
  8. Maximising self-consumption: Batteries allow you to use more of your generated solar energy, especially during peak consumption times in the morning and evening when solar panels aren’t producing electricity.
  9. Flexibility: Battery storage provides greater flexibility in how and when you use your generated electricity.
  10. Low maintenance: Solar batteries typically require little maintenance.

However, it’s important to note that there are also some drawbacks, such as the high upfront cost, shorter lifespan compared to solar panels, and potential need for additional space. The decision to add battery storage should be based on individual circumstances, energy consumption patterns, and financial considerations.

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