Whether a business prefers full ownership, structured financing, or a long-term Power Purchase Agreement (PPA), each option comes with unique advantages and financial considerations. This guide is design to help businesses understand each purchasing models, explaining how each works, the benefits, and the short- and long-term financial effects.
We work closely with businesses to understand their unique financial situations, energy goals, and sustainability objectives, helping them explore the most suitable option for their needs. The key to successful investment in renewable energy lies in understanding the available options and choosing the right one to meet your business’s needs.
The cost of adopting renewable technologies, for many, the upfront investment can be a barrier. Green Shield Group provide a range of purchasing options that are flexible, customised, and designed to work with your unique operational needs.
Outright purchase of renewable technology #
Opting for an outright purchase is the most straightforward option for acquiring renewable technology. This requires a one-time upfront investment, covering the cost of equipment, installation, and commissioning.
An outright purchase of a solar PV system involves a significant upfront investment, but it delivers substantial long-term financial returns. This option is ideal for businesses seeking energy independence and long-term cost savings without ongoing financing obligations.
- The Initial capital cost results in a negative cash flow in year one.
- Steady yearly savings from reduced energy costs begin immediately.
- Break even point is typically achieved within 4-6 years, where cumulative savings surpass the initial investment.
- By year 10, the system generates significant net savings, maximising financial benefits.
Upfront capital.
High initial investment costs.
No financing costs or contractual obligations.​
Major energy savings after payback period.​
Highest financial return in the long run.​
Responsible for ongoing maintenance costs.​
Typical return on investment is 4–8 years.
An outright purchase maximises long-term savings and eliminates ongoing financing costs, making it ideal for businesses with available capital and a focus on long-term ROI.
Financing renewable technology #
For businesses who may not have the full amount for an outright purchase, financing is a great alternative. This allows you to spread the cost of your renewable energy system over a set period, usually with fixed monthly payments.
Instead of paying upfront, businesses can spread the cost of renewable technology through a loan or leasing arrangement. Payments are made over a fixed term (typically 3, 5, 7 years). Once the loan is repaid, the business owns the system outright.
Financing makes renewable energy systems accessible to a wider range of businesses by spreading out the upfront cost. This option makes it easier for businesses to invest in sustainable solutions without compromising their cash flow.
Financing a solar PV system allows businesses to avoid upfront costs while enjoying immediate energy savings. This option is ideal for businesses prioritising cash flow management while transitioning to renewable energy.
- Affordable start with fixed monthly payments spread the cost over time.
- Offset the finance costs with reduced energy bills, improving cash flow.
- After the finance term ends, businesses benefit from ongoing savings without additional costs.
Zero upfront investment.
Electricity savings can help offset loan repayments.
Commitment for monthly payments over 3, 5 and 7 years.
Responsible for ongoing maintenance costs.​
Interest or fees associated with loans.
Good long-term ROI once system is owned.
Financing is ideal for businesses seeking a cash-flow-friendly approach to renewable energy while still enjoying long-term cost savings.
Power purpose agreements (PPAs) #
A Power Purchase Agreement (PPA) is a long-term contract between an energy provider and a buyer, typically a business, government entity, or utility. Under this agreement, the provider installs, owns, and maintains a renewable energy system (such as solar panels), while the buyer agrees to purchase the electricity produced from renewable technology installed at your premises at a discounted rate, typically 20–50% lower than grid prices.
PPAs are widely used to help businesses adopt renewable energy without the high upfront costs of purchasing or maintaining the system. They provide an alternative way for businesses to lower electricity expenses and reduce their carbon footprint.
Zero upfront investment.
Secure lower than grid energy prices.
Commitment for monthly payments over 10-25 years.
RPI increases affect long-term pricing.
Maintenance is covered by the provider.
This option is ideal for businesses seeking lower energy costs with no upfront expense, businesses wanting PPA benefits with inflation protection through capped PPAs, and businesses who prioritise price certainty with structured increases offered by fixed PPAs, and those looking to hedge against rising electricity costs.
Choosing the right purchasing option for your renewable technology #
Selecting the right purchasing option depends on several factors, including your available capital, energy needs, and long-term sustainability goals.
Factors to consider when selecting a purchasing option:
- Upfront Capital – Do you have the funds available for an outright purchase, or do you need to spread the costs over time?
- Energy Consumption – The amount of energy you require will help determine whether a PPA or financing is more suitable.
- Financial Flexibility – Consider your business’s cash flow and how a purchasing option will impact your budget.
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Green Shield Group can help business evaluate it’s financial situation, to align purchasing options with your broader energy strategy.
Renewable technologies are more than just an environmental investment, they’re a smart financial decision.
Environmental and financial benefits of renewable technologies:
- Reduced Carbon Footprint – By switching to renewable energy, you can significantly reduce your company’s carbon footprint and help protect the environment.
- Energy Cost Savings – Over time, renewable energy systems can significantly reduce or eliminate your energy bills.
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Renewable technologies provide long-term savings by reducing reliance on traditional energy sources. Plus, with energy independence, you won’t be subject to unpredictable price hikes.
