Solar Panels For Factories and Warehouses

Installing solar panels for factories and warehouses gives you a direct, measurable reduction in what your electricity costs. You can create your own power for a fraction of the cost of what it costs on the grid and build power resilience into your own operations.

Cornerstone Group designs and installs commercial solar panel systems across factory and warehouse environments that are engineered around your specific infrastructure, and energy profile.

Advantages of Solar Panels for Factories and Warehouses

Commercial solar panels offer numerous advantages for factories and warehouses, crucially supporting these energy-intensive structures. Businesses increasingly opt for solar PV systems as a sustainable, dependable, and renewable energy solution that yields savings amid rising energy costs.

We offer a comprehensive turn-key service encompassing the design, installation, and management of customised commercial solar PV panel systems tailored to your business requirements.

Whether it’s powering robust manufacturing equipment or providing heating and lighting for warehouses, our team ensures a reliable system that consistently delivers advanced energy efficiency.

Why Factories And Warehouses Are Installing Solar

Factory and warehouse sites typically run large, consistent electricity loads, which makes them well suited to the benefits of solar power. The larger your operation and consumption, the bigger the potential benefits.

Reduced electricity costs

Solar creates electricity at about 5p per kWh, compared to grid costs of between 25p-30p per kWh in commercial environments. For a factory or warehouse drawing 500,000 kWh a year you could see significant savings.

Energy security and protection

Producing your own electricity on-site means you’re less vulnerable to changing prices from the grid. Combined with battery storage, your factory or warehouse can use stored solar power during peak-rate times to reduce your costs and reliance on the grid, protecting you from fluctuations and disruptions.

Carbon reduction

Every kilowatt-hour created on-site reduces your Scope 2 emissions. As an example a 200 kWp roof installation can offset 45,000-55,000kg of Co2 a year (equivalent to about 25 cars). If you want to show your sustainability credentials, solar is a safe option.

Improved energy ratings

Factory and warehouse solar installations can improve your EPC rating and, with documented output, could even increase the value of your building.

Making The Financial Case For Factory And Warehouse Solar Panel Installation

Installing solar panels on a factory or warehouse is an investment with provable returns. Depending on your energy consumption, available roof or ground space, and chosen funding model you could see significant returns on your capital investment quickly.

Costs vs the grid

Over the lifetime of a factory solar installation you could save up to five times the cost of what you’d spend using electricity from the grid. Plus, by incorporating battery storage, you can sell surplus energy back to the grid, turning your solar system into a source of additional revenue.

Payback period

Most factory and warehouse solar installations achieve payback within 2 to 4 years on average using a CAPEX purchase. Your exact payback period will depend on the size and complexity of your system, consumption profile and energy export revenue.

What Are the Benefits of Commercial Solar Panels?

Solar typically covers 20-50% of a factory or warehouse’s yearly electricity needs, without battery storage and depending on your consumption and roof space. If you add battery storage this increases how much energy you can store and use when you need it.

For example a 500kWp rooftop installation on a large factory could create about 450,000-500,000 kWh a year. At a grid saving of 20p per kWh you’d save between £90,000-£100,000 a year.

Case Studies

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Why Choose Cornerstone Group for Your Project?

Comprehensive Expertise

Our specialisation in large-scale solar installations means that we’re used to the challenges that warehouses, factories and other industrial facilities can carry. With these in mind, we can help deliver systems that have real operational and financial benefits.

End-to-End Solutions

From feasibility and design through to installation, commissioning, and monitoring, we manage the entire process. This reduces risk, saves time, and helps keep projects on track. If any delays happen, we can let you know ASAP.

Brand-Focused Approach

Every project is designed and aligned to your commercial objectives, helping you reach sustainability targets and balance this with stakeholder expectations. This helps with ESG reporting and brand credibility alike.

Quality Craftsmanship and Materials

All of our industrial projects are built with high-quality, durable components designed for long term performance. This means low maintenance costs over time with maximised output, keeping operational costs down.

Functional and Aesthetically Pleasing Designs:

Solar panels blend into rooftops, but what about the cables, control panels, and batteries? We take the time to plan how these will be arranged on site, helping keep things both functional and accessible without being an eyesore.

How Cornerstone Installs Your Factory Or Warehouse Solar System

Every factory or warehouse presents its own challenge when it comes to roof structure, current electrical capacity, operating hours and planning needs. Cornerstone Group’s installation process is designed to work around your operations.

  • Site assessment and feasibility check

    We’ll carry out a thorough assessment that covers your roof space, land availability, structural loads limits, existing electrical infrastructure and current consumption data. Ground-mounted arrays and solar car park canopies are assessed if your roof space is limited or not suitable for solar panels.

  • Power planning and future proofing

    Your energy needs will likely change from the initial installation as you scale your needs or add new elements like EV charging. So your system needs to be able to easily adapt and scale. Cornerstone Group’s power planning approach builds modularity and scalability into your system from the beginning.

  • Smart infrastructure design

    We design factory and warehouse solar systems that are reliable, safe and efficient. All installations fit into your existing electrical infrastructure and comply with UK electrical standards. All cables, control panels and battery housing needs are planned to keep the installation as smooth as possible on the day.

  • Installation And Integration

    Cornerstone Group manages the full installation process in-house, coordinating closely with you on-site to keep the production on track. The installation will include all the relevant components from batteries, inverters and full integration to your grid connection. We do everything we can to minimise any disruption to your daily operations.

  • Commissioning, certification and handover

    Once everything is installed we’ll test, commission and certify the installation in line with BS 7671 IET wiring regulations. Performance monitoring will be set up straight away to give you visibility of energy generation, consumption and savings.

Book A Survey For Your Factory And Warehouse Solar Installation

Get in touch to discuss your project in more details and arrange a site assessment visit by an experienced member of our team. Once we’ve visited your site we’ll be able to give you a more accurate idea of the system size you could install, projected outputs, financial returns and likely payback period.

Frequently Asked Questions

Yes and we’re seeing more requests for a combination of solar panels along with storage and charging facilities. You can charge batteries using solar power and use this to cover peak demands to reduce costs or to power your factory and warehouse at night. EV charging points for electric fleets can be fed directly from your solar panels or battery storage system.

Installing solar panels on your factory or warehouse reduces how much energy you need to draw from the grid, which can reduce your Scope 2 carbon emissions and support obligations under programmes like the Energy Savings Opportunity Scheme.

With the right system size, yes. You may not be able to meet your entire energy needs from solar, but you can cover a significant amount of your needs (up to 50% in some cases) from solar panel systems. If you combine this with battery storage you can again increase your self-reliance for power and reduce you use, and spend, from the grid.

CAPEX

You’d purchase the system and own it outright. Of all your options this one delivers the best returns in the long-term because all the savings and revenue from surplus energy goes to you. Over a 20 year lifespan this tends to be the most cost effective option.

Asset finance

Asset finance or lease to own involves spreading the investment over a fixed period (usually between 3-10 years). You can usually cover the monthly costs with the energy savings you make.

It’s best to investigate which funding option is best suited to you seeking advice if you’re not sure which are available to you.

For the majority of factories, warehouses and manufacturing sites in the UK you won’t need planning permission to install a solar system because they’re deemed permitted development.

But there are some situations when you may need to apply. Ground-mounted systems or installations on listed buildings, within conservation areas or some developments over a particular size may need planning permission from the local authority.

If you do need planning permission we can handle the entire application process for you.

Industrial solar panels carry manufacturer warranties of 25-30 years and can operate efficiently for 40+ years. Typical output degradation is usually less than 0.5% a year and the inverter only needs replacing every 12-15 years on average.

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