Peel-and-stick flexible Solar PV installed on commercial roof in Trimsaran Wales

Peel-and-Stick Flexible Solar Panels: A Breakthrough for Wales

Peel-and-Stick Flexible Solar PV: A Breakthrough for Wales

Some commercial roofs simply aren’t built for traditional Solar PV. They may have strict weight limits, a delicate membrane, or planning requirements that make standard framed panels too heavy or too intrusive.

That’s exactly what we found in Trimsaran, Carmarthenshire. The client wanted renewable energy, but the roof couldn’t take the load of a conventional installation. Instead of turning the project down, our engineering team explored alternatives — and found the perfect match in a Welsh-made peel-and-stick flexible Solar PV system.

It allowed us to deliver clean energy with no drilling, no added weight, and no compromise on the building’s appearance.

Why Traditional Solar Panels Weren’t an Option

During our initial survey, two challenges became immediately clear:

1. Strict Weight Restrictions

The roof structure could not safely support heavy framed panels or rail systems.

2. A Sensitive, Non-Drillable Roof

The roof membrane needed to remain completely intact, meaning no fixings, no penetrations, and a visually low-profile installation.

These are the kinds of projects where our engineering team thrives — turning “not possible” into “perfectly achievable.”

Our Solution: Peel-and-Stick Flexible Solar PV

To meet the structural and aesthetic requirements, we installed a lightweight, peel-and-stick Solar PV system manufactured in Wales. This technology bonds directly to the roof surface, creating a sleek and durable solar solution without the need for rails, ballast, or drilling.

It’s a smart alternative for buildings that simply cannot host traditional Solar PV — and it’s designed for the UK’s weather conditions.

Benefits of Peel-and-Stick Solar PV

  • Extremely lightweight — ideal for roofs with limited load capacity
  • No roof penetrations — protects delicate membranes
  • Low-profile appearance — blends into the roofline
  • Flexible format — suitable for curved or uneven surfaces
  • Strong low-light performance — perfect for Welsh weather
  • Designed and manufactured in Wales

Why This System Was Ideal for Trimsaran

The building required a solution that was:

  • Lightweight
  • Completely non-invasive
  • Visually discreet
  • Reliable in low and diffuse light

Peel-and-stick Solar PV met every requirement — giving the client an elegant, efficient solar installation without affecting the building structure.

Project Spotlight: Commercial Solar PV Installation in Trimsaran

The Challenge

  • Roof unable to support conventional panels
  • No drilling or mechanical fixings allowed
  • A requirement for clean, subtle aesthetics

Our Engineering Approach

  • Full structural and Solar PV design carried out in-house
  • Installation of peel-and-stick flexible Solar PV technology
  • Custom electrical design built by our engineering team

The Result

  • A seamless, almost invisible solar installation
  • No added structural load
  • Strong year-round energy generation
  • The roof fully protected and undisturbed

For the client, this meant renewable energy with total peace of mind. For us, it was another example of solving a challenge that standard Solar PV couldn’t meet.

Are Peel-and-Stick Solar Panels Good for Commercial Buildings?

Yes — when used in the right circumstances. Peel-and-stick Solar PV is particularly effective for:

  • Roofs with weight restrictions
  • Standing-seam or metal roofs
  • Curved or irregular roof structures
  • Heritage or design-sensitive properties
  • Sites where drilling into the roof is not permitted

They’re not a replacement for traditional Solar PV in every scenario, but they excel when a lightweight, non-invasive solution is required.

Flexible Solar PV vs Traditional Solar Panels

Feature Peel-and-Stick Flexible Solar PV Traditional Rigid Solar Panels
Weight Very lightweight Heavy
Roof Penetration None Requires drilling or ballast
Appearance Low-profile and discreet Raised and visible
Curved Surfaces Excellent Poor
Suitability for Weak Roofs Highly suitable Often unsuitable
Low-Light Performance Very strong Good
Installation Speed Fast Moderate

Our Engineering Team

Every installation is carried out by our in-house MCS-certified engineering team. We never outsource, because projects like this require specialist knowledge, careful planning, and precision.

We specialise in:

  • Commercial and agricultural Solar PV systems
  • Complex, non-standard, or sensitive roof structures
  • Lightweight BIPV and flexible solar technologies
  • Projects where aesthetics or planning considerations are key

If a roof is considered “too difficult” by others, we’re usually the team who can make it work.

Frequently Asked Questions

Are peel-and-stick solar panels durable?

Yes — they’re designed for long-term outdoor conditions and include a durable protective surface.

Do they perform well in cloudy weather?

Absolutely. This type of Solar PV responds well to diffuse light, making it ideal for Wales.

Will they damage the roof?

No. They require no fixings and keep the roof membrane intact.

Are they suitable for commercial buildings?

Yes — especially where traditional systems are too heavy or intrusive.

Key Takeaway

Peel-and-stick flexible Solar PV is a game-changing option for commercial buildings that cannot support traditional solar panels. Paired with the expertise of the Solar Save Renewables engineering team, it opens the door for renewable energy on buildings once considered unsuitable.

Thinking About Solar for a Commercial Roof in Wales?

If your building has:

  • a weight-limited roof
  • a delicate or curved structure
  • aesthetic or planning constraints
  • concerns about drilling or fixings

…we can help you find the right solution.

Contact Solar Save Renewables — specialists in complex, lightweight, and design-sensitive Solar PV installations across Wales.

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Solar panels being installed on a roof – by MCS-accredited installers in Carmarthenshire, Wales

The Ultimate Solar Panel Installation: Everything You Need to Know

The Solar Panel Installation Process: What to Expect

Switching to solar energy isn’t just about cutting your energy bills—it’s about taking control of your energy, reducing your carbon footprint, and enjoying the satisfaction of generating clean, renewable electricity at home or for your business here in Wales. At Solar Save Renewables, based locally in South Wales, we make the process straightforward, personal, and hassle-free. Here’s what you can expect when you decide to go solar with us.

Step 1: Consultation & Property Assessment

We start with a friendly, no-obligation consultation. Our team visits your home or business to understand your energy needs and assess its solar potential, taking into account local weather, roof orientation, shading, and current energy usage. This ensures your system is designed to maximise efficiency and savings, even on cloudy Welsh days.

Step 2: Custom System Design, Incentives & DNO Application

Every property is unique, so every solar system we design is bespoke. We determine the right number of panels, storage solutions, and inverter size for your property. We also guide you through government incentives, such as the Smart Export Guarantee (SEG), helping you get the most value from your investment.

As part of this step, we handle the DNO (Distribution Network Operator) application, ensuring your system is fully compliant for grid connection—a process we manage for you, so you don’t have to worry about paperwork.

Step 3: Professional Installation

Our MCS-accredited installers take care of everything, from mounting panels to connecting your system. Installations are usually completed in just a few days, with minimal disruption. Safety, precision, and long-lasting performance are always our priorities, and we work carefully with typical Welsh slate roofs and property styles.

Step 4: Testing, Handover & Ongoing Support

Once installed, we thoroughly test your system to ensure it is performing perfectly. We then show you how to monitor your energy generation and storage, so you can see your savings in real time. Even after installation, our team is here to provide ongoing support, advice, and maintenance whenever you need it.

Optional Battery Storage: Maximise Your Solar Investment

Many of our customers choose to add battery storage to their solar system. This allows them to use their solar energy day and night, charge electric vehicles, and maintain power during outages. Battery storage increases energy independence, protects against rising electricity prices, and can even provide future opportunities for smart energy tariffs.

“Adding battery storage was the best decision we made. During the October storm power cuts, our lights stayed on while neighbors were in the dark. The system paid for itself that week alone.”

— Mr. Davies, Carmarthen (7.04 kWp system with 11.5kWh storage)

Benefits of Battery Storage

  • Reduce grid dependence by up to 80%
  • Use solar energy around the clock, day and night
  • Seamless backup power during outages
  • Power your electric vehicle directly from solar energy
  • Potential savings with off-peak energy tariffs

Battery Installation Process

  1. Needs Assessment: We evaluate your energy patterns and backup requirements.
  2. Grid Application: We handle all DNO paperwork (usually 6–8 weeks).
  3. Professional Installation: MCS-certified technicians complete the setup.
  4. Smart Integration: Connect to your solar system and smart home devices.

Why Choose Solar Save Renewables?

  • Trusted, local installers serving South Wales
  • Bespoke systems designed for Welsh homes and businesses
  • Guidance on SEG and government incentives
  • DNO application included for grid connection
  • Friendly, personal service from start to finish
  • Optional battery storage for greater energy independence and backup power

Installing solar panels—and optionally adding battery storage—is a big step, but with the right local team, it’s simple, personalised, and rewarding. 

Contact us today to start your journey towards clean, renewable energy in Wales.

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Best Ways to Use Solar Panels at Home

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Best Ways to Use Solar Panels at Home

You probably already know that solar panels are a smart way to cut your energy bills and reduce your carbon footprint. But if you think that’s all they do, you’re only seeing part of the picture. The real power of solar comes from integrating it with other modern home technologies. By pairing your panels with a battery, heat pump, or EV charger, you can create a home that is more self-sufficient, environmentally friendly, and economical.

Solar Panels and Batteries: Store Your Energy for Later

Here’s a common solar dilemma: your panels produce the most electricity when you’re least likely to be home to use it. Without a way to capture that surplus, it simply flows back to the grid.

This is where a solar battery can help. Think of it as your personal energy reservoir—storing clean, free power during the day so you can use it in the evening when you need it most, for lights, appliances, and family entertainment.

Why it’s worth considering:

  • Power when you need it: Use stored energy at night or during peak times.
  • Reduced grid reliance: Rely less on electricity from your provider.
  • Extra income: Sell surplus energy back to the grid.

Solar Panels and Heat Pumps: Keeping Your Home Comfortable

Heating and cooling often account for the largest portion of home energy bills. Pairing solar panels with an air source heat pump (ASHP) is one of the most effective ways to tackle these costs. Because heat pumps run on electricity, your solar system can power your home’s heating and cooling directly, making the most of renewable energy. Benefits of combining solar with a heat pump:
  • Lower energy bills: Solar can cover 50–80% of a heat pump’s electricity needs.
  • Smart energy use: Modern systems can prioritise solar energy during daylight hours.
  • Faster payback: Combining solar with an ASHP can reduce your system’s payback from eight to five years.
Things to consider:
  • Roof space: The number of panels depends on your home and heat pump size.
  • Battery storage: Optional, but useful for storing energy for nighttime heating.
  • Example: A 3-bedroom home with a 9kW heat pump might need 12–16 solar panels (around 4kW) to cover 60–80% of its energy needs.
Even in winter, modern heat pumps work efficiently down to -15°C. Solar panels produce less during these months, but grid electricity can back up your system at a lower cost than gas.
Daikine Air Soure Heat Pump installed in Carmarthen by Solar Save Renewables.

Solar Panels and EV Charging: Using Your Solar for Everyday Driving

If you own an electric vehicle (EV), charging it with solar power is a great way to save money and reduce your carbon footprint. Typical solar EV setup in the UK:
  • Panels: 6–12 (2–4kW system) to generate clean energy.
  • EV charger: Solar-compatible models like the zappi.
  • Battery storage (optional): Charge overnight with stored solar energy.
  • Example: A 4kW system in Wales could provide roughly 8,000 miles of driving per year for a Nissan Leaf.
Why install a home EV charger?
  • Convenience: Wake up to a fully charged car every morning.
  • Cost savings: Up to 80% cheaper than public chargers.
  • Energy independence: Charge whenever it suits you, without relying on public infrastructure.
  • Eco-friendly: Drive using renewable energy.
By combining solar panels with a battery, heat pump, or EV charger, you can make your home more energy-efficient, flexible, and less dependent on the grid. It’s all about using the electricity your panels generate in the smartest way—whether that’s keeping your home warm, storing power for later, or charging your car. With a setup that fits your home and lifestyle, solar energy can become a simple, everyday part of how you live more sustainably.
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ground mounted solar panels _farm_Wales

The Truth About How Many Solar Panels You Need

Planning to install solar panels at home but not sure how many you need? The answer depends on your household’s energy use, roof size, and future plans. While most UK homes require around 10–14 panels, this guide will help you estimate the right system size for your property and understand what factors to consider before installation.

Real-Life Example

The Davies family from Llandeilo have a four-bedroom detached home using 4,800 kWh per year. After installing a 13-panel solar system, they now cover 92% of their annual electricity needs. Their battery stores excess energy for evening use, so they only buy electricity during the coldest winter months.

Step-by-Step Calculation for Wales

1. Find Your Annual Electricity Usage (kWh)

This is the most important starting point — you’ll find it on your electricity bill. UK averages (Ofgem 2024):
  • Small, energy-efficient flat: 1,800–2,000 kWh per year
  • Typical 3-bedroom house: 3,100–4,200 kWh per year
  • Large home with electric heating or EV: 8,000–12,000+ kWh per year
For this example, let’s use a typical 3-bedroom Welsh home consuming 3,600 kWh per year.

2. Estimate Your Ideal System Size (kWp)

We can estimate system size using this simplified formula, adjusted for Welsh solar conditions: System size (kWp) = Annual electricity use (kWh) ÷ (Annual sunlight hours × System efficiency)
  • Average annual sunlight hours in Wales: 3.0 hours/day × 365 = 1,095 hours
  • System efficiency: typically 85% (0.85), accounting for inverter and temperature losses
Calculation: 3,600 ÷ (1,095 × 0.85) = 3,600 ÷ 930 = ≈ 3.9 kWp

3. Calculate How Many Panels You Need

Modern high-efficiency panels in the UK range from 350W–450W. Number of panels = System size (kW) ÷ Panel wattage (kW) Using a 415W (0.415 kW) panel: 3.9 ÷ 0.415 = ≈ 9.4 panels You’d therefore need around 10 panels to meet this household’s annual electricity needs — forming a 4 kWp system.

Result Summary

Description Value
Annual usage 3,600 kWh
Average Welsh sunlight 1,095 hours
System size ~3.9 kWp
Panel size 415W
Panels needed 10
Roof area required 18–20 m² (approx.)
In short: A typical three-bedroom home in Wales would need around 10 high-efficiency panels (≈4 kWp) to meet its annual energy needs, depending on roof orientation and lifestyle.

Recommended System Size by Property Type

Property Type Recommended System Panels (440–450W) Roof Space Needed
1–2 bed terraced 2.5 kW 6 10–12 m²
3 bed semi-detached 4 kW 9 16–18 m²
4 bed detached 5.5 kW 13 23–26 m²
5+ bed detached 8 kW+ 18+ 32 m²+

Expected Annual Energy Generation

Property Type Annual Generation
1–2 bed terraced 2,125–2,250 kWh
3 bed semi-detached 3,400–3,600 kWh
4 bed detached 4,675–5,000 kWh
5+ bed detached 6,800–7,200+ kWh

UK & Wales-Specific Considerations

1. Roof Orientation Matters

  • South-facing (ideal): Generates the most electricity.
  • East or West-facing (good): Expect around 15–25% lower efficiency — you may need one or two extra panels.
  • North-facing: Usually not cost-effective for solar PV.

2. Smart Export Guarantee (SEG)

Under the UK’s SEG scheme, you’re paid for the surplus electricity your system exports to the grid.
  • Typical rates: 1p–15p per kWh exported
  • Grid import cost: around 28p per kWh
It’s therefore more beneficial to use your solar energy in real time — for example, by running appliances during daylight hours.

Enhance Your System with Battery Storage

“Adding battery storage was the best decision we made. During an October storm, our lights stayed on while neighbours were in the dark. The system paid for itself that week alone.” — The Morgan Family, Brecon (8.2kW system with 13.5kWh storage)

Battery Benefits

  • Use solar energy at night and during peak times
  • Charge your EV from stored solar power
  • Backup during power cuts
  • Optimise costs using smart tariffs

Your Action Plan

  1. Check your energy bills – find your exact annual kWh usage.
  2. Use a UK calculator – the Energy Saving Trust offers reliable solar sizing tools.
  3. Get local quotes – trusted Welsh installers can:
    • Use satellite data to assess your roof’s tilt, direction, and shading
    • Provide accurate generation forecasts for your location
    • Advise on the best SEG tariffs and battery options

Choosing the right solar panel setup isn’t about guessing — it’s about understanding how your home uses energy and what your roof can deliver. Taking time to match your system size to your real needs means better performance, lower costs, and a smoother path to long-term savings. Whether you’re just starting your research or ready to plan, understanding your ideal system size is the best first step towards making solar work for you.

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how solar panels work in the house

Solar Panels Explained: A Homeowner’s Guide to Savings & Energy Independence

Most people think solar panels are complicated, expensive, or only for eco-warriors. The truth? With the right guidance, they’re a practical, smart way to take control of your energy — and even earn money along the way.

At Solar Save Renewables, we’ve helped hundreds of homeowners across Wales and England unlock the benefits of solar power. This guide provides clear, professional insights into how solar panels work, the true costs and potential savings, how to select the right system for your home, and the benefits of adding battery storage.

What are Solar Panels?

Solar panels, also known as photovoltaic (PV) panels, convert sunlight into electricity, making them a popular and eco-friendly choice for generating your own power.

Think of a solar panel as a collection of cells that work together to capture sunlight.

Most panels are made from silicon, a material known for its durability and efficiency. Since there are no moving parts, solar panels can operate for a very long time without wearing out. Plus, they produce electricity – a practical and valuable form of energy for your home.

What happens when light hits the solar panel?

Imagine sunlight as a stream of tiny energy particles called photons. When these photons hit your solar panels, they transfer their energy to the electrons inside. This process is like giving the electrons a boost, making them jump to a higher energy level.

This energy transfer is what we call the photovoltaic effect, which is why solar panels are named photovoltaic (PV) panels. Essentially, the panels absorb sunlight and convert it into electricity.

The electricity your panels generate can power everything from lights and appliances to electric vehicles. It’s like having a mini power station right on your roof or in your backyard, all fueled by the sun!

Finding the Right Solar Panel System for You

At Solar Save Renewables, we understand that choosing the right solar system for your home can feel overwhelming. But don’t worry, we’ll guide you through every step of the process. From assessing your energy needs to selecting the perfect panels, we’re here to make the journey simple and stress-free.

Select Your Solar Panels

Based on efficiency, durability, and cost to match your energy needs and budget.

Choose the Right Inverter

The control centre of your PV system that maximises performance and efficiency.

Decide on Mounting Options

Choose from ground-mounted, on-roof, or in-roof systems to suit your property.

Consider Adding a Battery

Store excess energy for use when the sun isn’t shining and increase your independence.

How to Choose the Best Solar Panels

Solar panels are crucial for converting sunlight into electricity. Choosing the right panels can seem complicated, but we’re here to guide you through the process.

When the staff at the local school in Newcastle Emlyn reached out to us, they were unsure about which solar panels would best suit their needs. After assessing their large, south-facing roof and high daytime energy consumption, we recommended high-efficiency Q CELLS panels. “The difference was noticeable right from the first sunny day,” said the school’s headteacher. “Our system produced 15% more than the nearby school that opted for more budget-friendly panels.”

Affordable Panels

  • Trina Solar
  • Canadian Solar
  • LONGi Solar

Mid-Range Panels

  • JinkoSolar
  • JA Solar

High-Efficiency Panels

  • SolarEdge
  • Q CELLS

Solar Panel Appearance

Most panels have black cells with white backs and silver frames. For a seamless look, choose all-black panels with black frames — perfect for slate roofs or integrated installations.

Silver frame solar panels on roof in Carmarthen installed by Solar Save Renewables
standard all-black solar panels in Llandeilo

 Transparent Look at Solar Installation Costs

When you invest in solar energy, it’s important to understand how your money is spent. At Solar Save Renewables, we prioritise transparency because we know it builds trust. Here’s how costs are typically distributed:

  • Equipment: Solar panels, inverter, mounting system
  • Installation: Labour and specialist equipment
  • Certification: MCS certification and compliance

“We were initially hesitant about the upfront cost, but Solar Save Renewables broke everything down clearly. Our system has already cut our electricity bills by 60% in just 6 months!” — Brian, from Llan-gain Carmarthen

Smart Export Guarantee (SEG) Tariff Overview

Who is the SEG for? The scheme is designed for individuals with systems like solar PV, wind, micro-CHP, hydro, or AD with a capacity of up to 5MW or up to 50kW.

About the Smart Export Guarantee (SEG): To qualify, your installation and installer must be certified through the Microgeneration Certification Scheme (MCS) or equivalent. As fully MCS accredited installers, we provide an MCS certificate upon completing your solar PV and battery storage installation. This ensures your installation meets the highest standards using MCS certified products.

Benefits of the SEG

Earn money by exporting any excess electricity you generate to

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Heat Pump - energy-efficient heating technology for homes.

Heat Pumps vs. Boilers: How to Win Your Home Heating Battle

Heat Pumps vs. Boilers: How to Win Your Home Heating Battle

As energy costs rise and environmental concerns grow, homeowners in Wales are increasingly looking for sustainable and cost-effective heating solutions. Many still rely on traditional gas and oil boilers, but heat pumps vs. boilers is becoming a key consideration for those exploring modern alternatives. In this post, we’ll compare heat pumps and traditional heating systems in terms of efficiency, running costs, and environmental impact. We’ll also discuss how integrating solar panels and battery storage can further enhance your home’s energy efficiency.

A Smarter Way to Heat Your Home in Wales

If your boiler is ageing, or you’re tired of unpredictable energy bills, you’re not alone. For decades, Welsh homeowners have relied on gas or oil—but there’s a smarter, cleaner, and more efficient alternative: the air source heat pump.

And thanks to the £7,500 Boiler Upgrade Scheme, switching to a modern, low-carbon system has never been more achievable for homes across Carmarthenshire, Pembrokeshire, Ceredigion, Swansea, Mid Wales, and Powys.

This guide breaks down the key differences between heat pumps and traditional systems, highlighting practical benefits, costs, and what makes a heat pump a genuinely sustainable choice for Welsh homes.

Head-to-Head Comparison: Heat Pump vs Gas & Oil Boilers

Feature Air Source Heat Pump Gas Boiler Oil Boiler
Efficiency 300–400% 85–95% 85–94%
Environmental Impact Low carbon High carbon Very high carbon
Running Costs Low Moderate High
Lifespan 20–25 years 10–15 years 10–15 years

What this means for your Welsh home: 

Efficiency: Heat pumps move existing heat instead of creating it by burning fuel, giving you 3–4 units of warmth for every unit of electricity.

Lower running costs: High efficiency translates to real savings, especially when replacing old oil or LPG systems.

Long-term value: A heat pump lasts almost twice as long as a conventional boiler.

Sustainable living: Dramatically reduce your household carbon footprint while keeping your home cosy year-round.

Beyond the Numbers: Real Benefits for Homeowners

Modern heat pumps offer far more than just efficiency:

Energy savings you can feel: In summer, households with well-designed systems can see electricity bills drop to as little as £5 per month, even while charging an electric car.

Income from surplus energy: Pair your heat pump with solar panels, and any excess energy can be sold back to the grid, generating £2–3 per day during sunny months.

Cleaner, healthier homes: Fully electric heating eliminates on-site combustion, improving indoor air quality.

Intuitive control: Modern systems offer smartphone apps for easy temperature and energy management—comfort and control at your fingertips.

Key Considerations for a Heat Pump in Wales

To ensure your system performs at its best, keep these factors in mind:

  1. Insulation matters: Well-insulated Welsh homes get the most from heat pumps, with stable warmth and minimal energy waste.

  2. Maximise your investment: Combining a heat pump with solar PV and battery storage creates a home energy ecosystem that slashes bills and carbon output.

  3. Align with your values: If reducing your carbon footprint is important, a heat pump is the most effective home upgrade.

  4. Financial support: The £7,500 Boiler Upgrade Scheme helps offset upfront costs, making the transition far more accessible.

Making the Right Choice for Your Home

Choosing a heating system isn’t just about technology—it’s about comfort, efficiency, and peace of mind. For most Welsh homeowners, a heat pump is an investment that:

  • Delivers consistent, low-cost heating and cooling.
  • Offers long-term savings and a longer lifespan than conventional boilers.
  • Supports sustainable living with lower carbon emissions.

Even if your home currently has gas or oil heating, a heat pump—especially when combined with solar and battery storage—can future-proof your home and reduce ongoing running costs.

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