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PPAs Are Growing Up (And Becoming More Accessible)

6 min read

Updated on 13 January 2026
Green Shield Group Hybrid PPA 2026

Power Purchase Agreements (PPAs) were once limited to energy experts or procurement teams in large multinational companies. This is changing quickly. PPAs are now more common among large corporations and are becoming accessible to smaller and mid-sized businesses. This shift is significant.

 
Businesses are under pressure from policy, consumers, and economic factors to change how they buy energy. PPAs are becoming an important tool for this transition. Traditional PPAs were complex, long-term, and required strong credit, which limited their use. Newer PPAs are designed to be more accessible.
 
The PPA market is maturing, and new tools, structures, and solutions are now available. This article explains how these changes are affecting energy procurement, especially for businesses that have not previously participated.

What Are PPAs and Why They Matter

Let’s start with the basics: a Power Purchase Agreement (PPA) is a long-term contract between a power producer (often a renewable energy developer) and a buyer (usually a company), locking in a fixed electricity price over several years. Simple enough in theory, but historically complex in execution.

PPAs provide stability and certainty in an increasingly volatile energy market. In a time of rising prices, regulatory pressure, and growing scrutiny on carbon emissions, they offer both financial predictability and a clear sustainability impact.

Traditional PPAs involved long-term commitments, complex negotiations, and significant due diligence. These requirements do not suit most mid-market businesses. The PPA model has changed to address this.

We’ve worked with clients across the manufacturing, retail, logistics, and property sectors to shape bespoke agreements that align with their size, energy demand, and risk appetite. The result? A contract that delivers carbon savings and cost control — without tying the business into something it can’t sustain.

The urgency of climate change and the development of renewables markets are leading to simpler and more tailored PPAs. These changes make PPAs suitable for a wider range of businesses. This shift is important for the broader energy transition.

Structured PPAs: Designed to Manage Risk, Not Add It

Renewable generation brings huge sustainability benefits, but it also introduces intermittency — the sun doesn’t always shine, and the wind doesn’t always blow when demand peaks. That’s why structured and hybrid PPAs are playing a bigger role.

Structured PPAs use a mix of technologies, such as wind, solar, and storage, or adjust delivery profiles to better match generation with consumption. This approach provides a more predictable supply of clean energy and reduces exposure to market volatility.

These models combine wind, solar, and battery storage to create a more stable delivery profile for renewable energy. This reduces price risk for buyers and improves grid reliability. The result is a more stable and tailored energy supply.

There’s also proxy generation. A model that pays the generator based on expected output rather than real-time production. This reduces complexity and eliminates the need for real-time tracking and settlement. For buyers, it means less exposure to imbalance charges and a more predictable energy cost.

Platforms and providers are increasingly pushing these options into the market.

The PPA models we support today are very different from those of five years ago.

They are designed to be easier to use, more cost-predictable, and more attractive for smaller buyers.

How the UK and Europe Are Driving Corporate PPA Growth

The UK corporate PPA market has changed significantly in the past two years. Demand is increasing due to net-zero strategies, higher grid costs, and better developer offerings.

According to energy data platforms such as Pexapark and Veyt, corporate buying has shown strong, consistent growth across Europe, with the UK emerging as one of the most active national markets. Part of that success comes from a combination of factors: progressive corporate climate commitments, a well-developed renewables industry, and financial innovation.

We’re seeing strong appetite from both sides of the market: developers looking for diversified offtake routes, and mid-sized corporates eager to fix long-term costs while hitting decarbonisation goals.

The change is not only in volume but also in the sophistication of PPA structures. The UK is now testing new commercial models that fit the needs of smaller businesses. Shorter contract terms, simplified settlement, and credit solutions for companies without investment-grade ratings are now available.

These changes are not limited to our largest clients. We have supported businesses with annual consumption under 10GWh through structured agreements that provide access to clean power with minimal complexity. Barriers to entry are decreasing and more opportunities are available.

From Corporate Giants to the Mid-Market: A Big Shift

If there’s one thing we’ve learned from working with mid-sized businesses, it’s that flexibility matters. No two operations are the same, and neither are their energy strategies.

The productisation of PPAs is an important development. Aggregated PPAs bundle demand from several businesses to achieve scale and efficiency. Sleeved agreements integrate clean power through the client’s existing supplier. These tailored models are effective.

Aggregated PPAs

Aggregated PPAs combine multiple smaller buyers into a single contract with a renewable project. This approach gives them access to economies of scale. Businesses share the benefits without taking on the full contract individually.

Sleeved PPAs

Sleeved PPAs allow buyers to access power through their utility instead of managing the contract directly. The utility manages settlement and balancing and supplies the green power. This model is becoming more common in the UK, with suppliers offering products for businesses using less than 10 GWh per year.

These are not hypothetical solutions. They’re already live, delivering commercial and environmental value for our clients.

The decision to pursue a PPA often depends on internal alignment between procurement, finance, and sustainability teams. Our role as advisor and provider is to structure the deal and support internal decision-making, helping businesses move from planning to implementation.

Many clients are now focused on finding the right PPA structure for their needs, rather than questioning if it is possible. This change is driving progress.

What the Mid-Market Needs: Simpler, Shorter, Smarter

Mid-sized businesses need solutions that are appropriate for their size. They are not looking for simplified versions of corporate energy deals.

What we’re delivering today reflects that need:
  • Shorter terms: 5–10 year terms that align with corporate planning cycles.
  • Simplified credit options: Partnering with insurers and financiers to mitigate credit risk, without overburdening the client.
  • Clear commercial benefit: Price certainty, hedging value, and measurable emissions reductions; backed by robust reporting.
  • Ease of integration: Whether through sleeving, supply agreements or REGO-backed structures, we prioritise seamless integration with existing operations.

Digital tools also play a part. From early-stage modelling and scenario planning to post-contract monitoring and reporting, we provide end-to-end transparency, so clients can make decisions with confidence.

Accessibility depends on the quality of support and the provider’s willingness to innovate, not just business size. We prioritise both.

A More Inclusive PPA Market Is Already Here

Some predict that 2026 will be the tipping point for widespread PPA adoption. For many of our clients, this change is already underway.

The market is no longer limited to large corporations. We are helping mid-sized businesses in various sectors secure clean, fixed-price energy through tailored structures. Other providers are also introducing new models, technologies, and partnerships to support these buyers.

The aim is not for every SME to sign a 25-year contract. The goal is to make it possible for any business to decarbonise its energy supply without increasing risk, complexity, or cost.

We’ve seen what’s possible. And we’re ready to help more businesses get there.

FAQs

1. Can small businesses really benefit from PPAs?

Yes. Thanks to innovations like aggregated and sleeved PPAs, even smaller companies can now participate in renewable energy deals with manageable contract terms and risk profiles.

 
2. What’s the difference between an aggregated PPA and a traditional one?
An aggregated PPA combines demand from several buyers into a single agreement, making it easier for smaller businesses to access the benefits of a PPA without going it alone.
 

3. Are PPAs risky for businesses without a credit rating?
New models are emerging to manage credit risk—such as insurance-backed contracts, pooled credit assessments, or using a parent company guarantee. These tools are helping more businesses qualify.

 

4. What’s the typical length of a mid-market PPA?

While traditional PPAs are often 20–25 years, mid-market PPAs are trending toward shorter terms, often between 5 and 10 years, depending on the supplier and project.
 

5. How long does it take to get a PPA in place?

It varies by structure, but most of our mid-market PPA clients move from initial conversations to signed contracts within 3–6 months – depending on internal alignment and market conditions.

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