🏆 NxtGen Energy Limited Wins Exceptional Customer Satisfaction Award at the 2024 Clean Energy Awards 🏆

Get in touch today: Office: 01268 928 690 Mon–Fri 8am–5pm

Talk to an Expert: info@nxtgen.ltd

Is your solar energy investment reaching its full potential? While solar panels gleaming on rooftops capture the sun’s rays, maximizing the utilization of that harnessed solar power is crucial for reaping the true rewards of clean energy. Solar battery storage holds the key, transforming your home or business into a self-sufficient energy hub. This post explores the compelling reasons why integrating solar batteries into your solar panel system might be the smartest decision you make this year.

Increased Self-Consumption and Cost Savings

  • Solar battery storage empowers you to maximize the utilization of your solar-generated electricity. Compared to potentially lower buyback rates for surplus solar energy, storing excess solar energy for personal use allows you to capitalize on the full market value of your solar energy production.
  • In time-of-use pricing scenarios, solar batteries provide cost optimization by enabling consumption during off-peak hours with stored solar energy, mitigating the impact of higher peak-time electricity rates.

Environmental and Community Benefits

  • By relying more on your own solar energy, you contribute to reduced National Grid dependence and a cleaner environment through lower overall energy consumption. This translates to cleaner air and a healthier community.

Enhanced Reliability and Peace of Mind

  • For areas with unreliable National Grid infrastructure, integrating solar batteries with appropriate equipment can provide backup power, ensuring your essential home appliances and devices stay operational during outages.

Investment Considerations

  • While the initial cost of solar battery systems is a primary factor, a comprehensive financial analysis is crucial to determine the investment’s payback period and long-term profitability.

Factors Influencing Profitability

  • The Smart Export Guarantee (SEG) scheme’s low buyback rates make self-consumption through solar battery storage financially attractive.
  • Energy usage patterns significantly impact the value proposition. For instance, working from home or strategically managing energy loads might lessen the immediate need for solar batteries.

Simplified Cost Analysis

  1. Battery Cost: Compare quotes for solar PV systems with and without solar batteries to understand the incremental cost of adding storage. Remember you are not only comparing the cost of the battery, but also the cost of installation by an MCS Certified Battery Storage Installer like NXTGEN Energy Ltd., so it’s Battery Cost + Installation Cost = Total Cost.
  2. Battery Size: Determine the optimal solar battery capacity in kWh (kilowatt hour), considering an average of 80% maximum charge recommendation for prolonged battery life.
  3. Charge Cycles: Use a standard value of 6,000 charge cycles for estimation, as most solar batteries are rated for 6,000 cycles over their normal lifespan.

Example Calculation

  • Battery Cost + Installation: £5,000 – £6,000
  • Battery Storage Size: 6.5 kWh
  • Charge Cycles: 6,000

Total kWh stored over the battery’s lifespan: 31,200 kWh (6,000 cycles x 6.5 kWh x 80%)

Cost per stored kWh: £5,000 – £6,000 / 31,200 kWh = 16.0 – 19.2 pence

To justify the investment in solar battery storage, savings per stored kWh must exceed 16.0 – 19.2 pence. This benefit could potentially double in scenarios with very low buyback rates.

Additional Points

  • Future electricity price increases can further enhance the financial benefits of solar battery storage.
  • Lithium-ion batteries are the prevalent and preferred choice in the UK due to their reliability and performance.


While a comprehensive analysis is recommended, this information provides a solid foundation for evaluating the potential benefits and financial merits of integrating solar battery storage into your solar panel system. We are committed to guiding you towards the most optimal solution for your energy needs and a brighter future.

As we navigate towards a more sustainable energy future, it’s clear that solar batteries play a vital role in optimizing the performance and economic viability of solar panel installations. By providing a means to store and utilize surplus solar energy, batteries contribute to National Grid independence, peak demand management, and overall cost savings. As technology continues to advance and the importance of clean energy intensifies, the marriage of solar panels and solar batteries stands as a beacon of hope for a greener and more sustainable world. Contact us today on 01268 928 690 or click on the ‘Enquire Now’ button below to learn more about how solar batteries can benefit your home or business!

FAQ: Solar Battery Storage

What does a battery do in a solar panel system?

Solar batteries act as energy banks, storing excess solar power generated during the day for use when the sun isn’t shining. This smooths out energy production and helps you rely less on the National Grid for your energy needs.

What types of batteries are used in solar system setups?

Common choices include:
Lithium-ion: Compact, efficient, long lifespan, but pricier.
Lead-acid: Affordable, less efficient, good for larger systems.
Flow batteries: Scalable, safe, promising for large-scale storage.

Why should I consider adding a battery to my solar panels?

Batteries offer several benefits:
Energy independence: Reduce reliance on the National Grid and potentially lower your electricity bills.
Smooth power supply: Enjoy consistent power even at night or during cloudy days.
Cost savings: Avoid peak demand charges by using stored solar energy during expensive times.
Potential income: Sell surplus energy back to the National Grid in some regions through the SEG Scheme.

Are there any downsides to using batteries?

The main drawbacks are:
Initial cost: Adding a battery increases the upfront investment for your solar PV system.
Lifespan: Batteries eventually need replacement, though newer technologies are improving durability.
Maintenance: Requires periodic monitoring and care to ensure optimal performance.

Where can I learn more about solar batteries?

Check out the National Grid website for reliable information and recommendations on battery storage for solar system installations. You can also contact professional solar panel installers like NXTGEN Energy for personalized advice.

Bonus tip: Remember, investing in solar battery storage is a decision based on your specific needs and energy usage patterns. Talk to a solar energy expert like NXTGEBN Energy to determine if battery storage is the right choice for you!

Latest Solar Battery Storage Posts