A Critical Asset for Energy Independence

At Elements Green, we see energy storage as more than just a technical solution; it is a fundamental shift in how we manage and value power. As the global energy mix evolves, the ability to store and dispatch electricity on demand has become an essential component of a stable and self-reliant grid.

Why invest in energy storage?

Energy storage systems are emerging as a strong investment opportunity worldwide, as owners benefit from various revenue streams. Alongside wholesale power trading, grid system operators rely on storage to balance the grid and are prepared to pay for this service. Grid-connected storage benefits from a range of possible revenue streams, providing investors with access to a fast-transitioning market and the potential for strong returns on investment.

Why energy storage?

Renewable energy sources like wind and solar are available only when the wind blows or the sun shines. Grid-connected battery storage (BESS) provides the clean, flexible asset needed to bridge these gaps, charging during periods of excess generation and discharging discharging when demand is highest.

Safety by Design

Our infrastructure incorporates several layers of active and passive protection to ensure systems are designed to the same rigorous safety standards as everyday electrical substations.

  • Active Monitoring: Battery Management Systems (BMS) provide 24/7 oversight of temperature, voltage, and current, with the ability to automatically isolate sections if they behave outside safe limits.
  • Thermal Management: Advanced cooling, including immersion cooling where cells sit in a non-flammable liquid, eliminates the primary mechanism for thermal runaway.
  • Structural Containment: Fire-resistant enclosures and strategic separation distances are engineered to contain internal faults and protect the surrounding environment.
  • Early Intervention: Integrated gas and smoke detection trigger automatic shutdowns and fire suppression before a fault can become established.
FAQs - Battery Storage

Battery Storage

If you’d like to understand how battery energy storage systems work and why they matter, these questions and answers will help explain the essentials.

What is a battery energy storage system (BESS)?

A battery energy storage system (BESS) is a grid-connected facility that stores electricity and releases it when needed. In the context of renewable energy, BESS helps bridge the gap between when energy is generated — such as when the sun shines or the wind blows — and when it is required.

BESS facilities typically charge during periods of excess generation and discharge rapidly to meet peak demand. In doing so, they help balance supply and demand, improve grid stability, and reduce reliance on fossil fuel peaking plants.

BESS also plays a critical role in reducing energy waste. At times, renewable electricity is generated but cannot be used or transported through the grid, meaning it is curtailed and lost. By storing this surplus energy and releasing it later, BESS ensures more clean power is used rather than wasted.

In simple terms, battery storage is similar to capturing rainwater when it falls and using it when it is needed — making energy systems far more efficient and flexible.

As electricity systems transition toward a greater share of renewable energy, the need for storage is increasing rapidly. BESS supports energy security by providing reliable, responsive power when it is needed most, and is becoming an essential part of modern electricity grids in all the markets we operate in.

Are battery storage sites safe? What is the fire risk?

Battery energy storage systems are designed with multiple layers of protection and are subject to strict safety standards and regulations. While, like all electrical infrastructure, they carry some level of risk, modern systems are engineered to minimise this and operate safely.

A number of independent safety measures are built into every project:

• Active monitoring: Battery Management Systems (BMS) provide continuous oversight of temperature, voltage and current, automatically isolating equipment if it operates outside safe limits.

• Thermal management: Advanced cooling systems help regulate temperature and significantly reduce the risk of overheating.

• Structural containment: Fire-resistant enclosures and appropriate separation distances are used to contain any potential faults within individual units.

• Early detection and response: Integrated gas and smoke detection systems can trigger automatic shutdowns and fire suppression protocols at an early stage.

In addition, battery systems are designed so that any incident is contained within a single unit, preventing wider impact across the site.

All projects are developed in line with national fire safety standards and best practice guidelines in each market. We also work closely with local fire and emergency services during the design process to ensure appropriate access, response planning and safety measures are in place.

Overall, battery storage sites are designed to be safe, controlled environments, comparable to other well-understood electrical infrastructure such as substations.

Why invest in battery storage?

Battery energy storage assets offer a range of revenue streams that make them an increasingly attractive investment opportunity. Alongside wholesale power trading, electricity system operators rely on storage to help balance the grid, paying for services that support system stability and flexibility.

Battery storage also plays a critical role in enabling more renewable energy. By storing electricity when supply is high and releasing it when demand increases, BESS helps reduce energy waste and makes power systems more efficient.

As electricity networks transition toward cleaner generation, the need for flexible, responsive infrastructure is growing rapidly. This is driving strong demand for storage across multiple markets, underpinned by supportive regulatory frameworks and long-term structural trends.

In this way, battery storage provides investors with exposure to one of the fastest-growing and most strategically important sectors of the global energy transition.

What land is needed for a BESS site?

Battery storage sites have a significantly smaller footprint than solar parks. Typically, sites range from around 5 to 30 acres (2–15 hectares), depending on the scale of the project.

We look for reasonably flat, well-screened land located close to existing electrical infrastructure, usually within a few miles of a suitable substation, to enable efficient grid connection.

Battery storage sites are compact and designed to integrate sensitively into their surroundings, with careful attention to layout, landscaping and access.

We manage the entire project lifecycle in-house — from origination and planning through to construction, grid connection and long-term operation.

What does a BESS site look like?

A battery energy storage system (BESS) site typically consists of a series of containerised units, similar in size and appearance to standard shipping containers, arranged in rows. These units house the batteries and associated control equipment.

Alongside the battery units, there are supporting components such as inverters, transformers and a grid connection point, all contained within a secure, fenced area.

BESS sites are relatively compact and low in height, and are designed to integrate sensitively into their surroundings. Landscaping and screening — such as planting hedgerows, trees or earth bunds — are commonly used to reduce visual impact.

Access is required for maintenance, but sites are generally unmanned during normal operation and operate quietly, with minimal activity once constructed.

Overall, BESS sites are best thought of as small-scale, well-contained pieces of electrical infrastructure.

Do BESS sites generate noise

Battery storage sites generate a low level of noise, primarily from cooling systems and electrical equipment such as inverters and transformers. However, this is typically comparable to other common electrical infrastructure and is carefully managed through design and layout.

All projects undergo detailed acoustic assessments as part of the planning process to ensure noise levels remain within strict regulatory limits at nearby properties. Mitigation measures — such as equipment selection, acoustic enclosures, and strategic siting — are used where required to minimise any impact.

In residential areas, night-time noise limits are typically in the range of around 35–40 decibels. To put this into context, this is comparable to a quiet library or light rainfall.

Daytime limits are generally higher, but systems are designed to meet the more stringent night-time requirements, ensuring that sites remain quiet and unobtrusive at all times.

As a result, well-designed battery storage sites operate quietly and are not expected to cause disturbance to surrounding communities.