Delta has launched its C-Series All-In-One Energy Storage Solution for commercial and industrial (C&I) applications.

This innovative solution integrates LFP battery packs, a Power Conditioning System (PCS), a liquid cooling system, and a unit controller, offering a single-cabinet capacity of 125 kW / 261 kWh with a compact footprint of less than 1.5 square meters. It can integrate up to 10 cabinets in on-grid operation for MW-scale energy storage.

Its forklift-ready skid design eliminates the need for complex hoisting and underground trenching for cabling, significantly reducing on-site construction time and labour costs.

The C-Series ESS is designed to deliver:

Quick and easy installation: With its forklift-ready and skid design, the system avoids complex hoisting and underground trenching, streamlining installation while cutting on-site construction time and labour costs.

Advanced fire safety protection: With safety a key priority, the C-Series is equipped with a full liquid-cooled system, and benefits from gas-venting valves (inlet and outlet), the use of LFP 314 Ah cells, built-in heat, smoke, and flammable gas detectors, and fire aerosol protection.

Flexible configuration with a minimum footprint: At the core of the C-Series ESS is the PCS, seamlessly integrated alongside five battery packs, a liquid cooling system, and a control unit—all within a compact footprint of less than 1.5 m². This space-efficient design significantly reduces installation area requirements, making it ideal for sites where space is at a premium.

The C-Series is equipped with an integrated unit controller that streamlines device-level coordination – enabling flexible site planning, simplified maintenance, and efficient operation. By managing routine control functions at the cabinet level, it frees up the central energy management system (EMS) to focus on strategic decision-making and AI-driven optimisation. The system also supports multiple application modes and allows for seamless integration with third-party EMS platforms.

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As the UK continues to lead the way in energy storage investment, NICEIC is encouraging electricians to start upskilling to prepare for growing demand and, in turn, help play a lead role in the clean energy transition.

Amid rising energy prices and a sense of growing eco-responsibility, recent years have seen an unprecedented increase in home energy storage by using batteries. According to recent figures 2023 saw a huge 1,700 per cent year-on-year increase in annual battery storage installation. Across the board, a separate study reveals the total battery project pipeline now stands at 84.8GW as of December 2023, comprising a year-on-year increase of 50.3GW.

In light of this, NICEIC is advocating for electrical contractors to upskill into energy storage systems as a way to support customers to reduce energy costs, gain energy security and lower their carbon footprint.

NICEIC Technical Director, Paul Collins, comments: “British householders are paying far more for electricity than they were a couple of years ago. In fact, it was recently reported that UK energy prices have risen faster than almost any other developed country since 2019. In this way, reducing reliance on the national grid is becoming increasingly attractive for those seeking to reduce energy costs and also do their bit for the planet.

“A critical component of this marked shift is energy storage. For those homeowners with rooftop solar panels, what’s great about adding battery storage is that it can allow them to become self-sufficient and negate the need for grid supply. This can save the average consumer hundreds of pounds a year and relieve cost of living pressures. Another big benefit is that these systems can provide critical backup power – something which is becoming a bigger consideration amid grid insecurity issues.

“Another option is where consumers use storage to reduce bills by purchasing energy at a low tariff at a time when there is a low demand and store it to meet an internal demand at other times, usually when consumption peaks, typically during the evening.

“The upshot is that installers have a huge new revenue opportunity as homeowners will increasingly turn to them for advice on the latest and most advanced energy storage solutions and help them to decide the most suitable approach for their home and needs.”

To provide a helping hand, NICEIC has introduced a new qualification on Electrical Energy Storage Systems (EESS) for certified businesses seeking to upskill their electricians’ knowledge and competence in this important innovation category. Covering the design, installation and commissioning of Electrical Energy Storage Systems, the two and a half day EAL accredited qualification complements NICEIC’s popular four-day solar qualification.

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Achieving the UK government’s target of 70GW of Solar Power by 2035 raises some significant challenges.

One of these is the availability of electricians qualified to install and commission Solar Photo Voltaic (PV) and other low carbon technologies. According to new research commissioned by The Electrotechnical Skills Partnership, the country fortunately needs just 500 more qualified electricians each year to realise its Solar aspirations.

The research, carried out by Pye Tait, shows that for many electrical firms installing Solar PV is not their sole occupation. A fully qualified electrician can upskill to install Solar PV, Energy Storage Systems and other net zero technologies in just a few days. Electrical apprenticeships in England already incorporate training in low carbon and smart technologies, including Solar PV. What’s more, employing qualified electricians provides business agility, as they can integrate a range of different technologies to work efficiently together, all at the same time.

The new data shows that while employers involved in Solar PV currently identify challenges in recruiting and training more electricians, 500 more each year is entirely achievable. With improvements in the skills system and greater collaboration between industry and education, there is a clear path to removing existing obstacles.

The Electrical Contractors’ Association (ECA), has recently launched the Recharging Electrical Skills Charter. The Charter calls for closer ties between industry, governments and education, to grow the competent electrical workforce to support the net zero transition. The trade body highlights the importance of electricians to the energy transition. It sees the short-term fix of ‘bootcamp style’ courses for new entrants as a cul-de-sac for learners and industry, as well as a waste of public resources.

Andrew Eldred, ECA’s Director of Workforce and Public Affairs, said: “Electrical courses of all kinds are in huge demand, so it’s clear there is no shortage of people wanting to join the industry. The main problem is completing learners’ training to the right, industry-recognised standards. To increase the size of the qualified electrical workforce, we must fix the broken skills pipeline. The Recharging Electrical Skills Charter offers an achievable policy programme to mend the broken pipeline. This will boost the numbers of qualified electricians needed to achieve the UK’s net zero targets.”

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GoodWe has launched a new hybrid solar inverter as demand for residential energy storage solutions continues to grow across the UK.

The ES G2 Series is a single-phase, low voltage hybrid inverter developed to meet the evolving energy needs of domestic properties by increasing the self-consumption of solar energy generated on site.

Its integrated plug-and-play functionality and compact, lightweight design means solar PV installations can be quicker and easier to complete than ever before. Meanwhile, its smart home integration makes it the long-term choice for forward-thinking homeowners. A key feature of the ES G2 is its automatic switching to back-up power mode in less than 10ms when connected to a battery if there’s a power cut, ensuring minimal disruption and key appliances remain in operation.

Another smart feature of the ES G2 is that it is set up for multi-protocol communications. This allows homeowners to connect to the inverter in three different ways, over Wi-Fi, Wi-Fi and LAN, and over 4G, enabling them to monitor the system at all times, whether at home or remotely.

The powerful, single-phase inverter is available with outputs ranging from 3-6kW and, thanks to its peak-shaving function and parallel operation, multiple units can work in tandem to offer a combined capacity of up to 30kW.

The ES G2 enhances operational safety with remote shutdown as well as a range of other safety features to provide all-round protection for the inverter and the whole PV system.

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