Clean Energy Projects Advance Across Solar, Storage and Hydrogen

Fresh project announcements spanning solar generation, battery storage, hydrogen production and transmission show how developers are converting clean-energy targets into specific infrastructure investments. At a glance: The latest developments include a global solar-plus-storage market forecast, new utility-scale projects in Spain and Greece, a major South African renewables tender, a US electrolyzer order, and expanding transmission plans in Australia. Research and Markets projects the solar energy storage market will grow at a 17.5% compound annual rate through the forecast period, with demand supported by lower battery costs, grid-balancing needs, backup-power requirements and rising electricity prices. The outlook covers lithium-ion systems, grid-scale storage, microgrids, on-grid installations and off-grid applications across residential, commercial, industrial and utility markets. Asia-Pacific remains a major deployment region, while North America is supported by utility-scale solar, residential batteries and resilience programs. These developments matter because the energy transition increasingly depends on flexible assets that can shift solar output, reinforce reliability and connect new generation to constrained power networks.

Technology advance: EnergyPathways is accelerating development of its MESH hydrogen and graphite technology, with chief executive commentary describing the project as being on a route toward commercialisation. The company’s plans combine hydrogen production with graphite-related output, targeting a process that could create multiple industrial products from an integrated system rather than relying on conventional single-output electrolyzer or mining models. The announcement is significant for clean-energy engineers because hydrogen projects increasingly require technologies that reduce electricity intensity, improve operating economics and create valuable co-products. Commercial viability will depend on the system’s technical performance, feedstock requirements, plant configuration, offtake arrangements and ability to operate alongside variable renewable generation. The company’s next steps are expected to focus on development progress and commercialization milestones. If successful, MESH could broaden the range of hydrogen technologies considered for industrial decarbonization, particularly in applications where hydrogen and carbon materials can share infrastructure, power procurement and processing systems.

Partnerships: Nel Hydrogen US has received an approximately $12 million purchase order from a global technology company for multiple containerized PEM electrolyzers from Nel’s MC-series, together with associated services. The equipment will be manufactured at Nel’s facility in Wallingford, Connecticut, and is scheduled for delivery in 2027. The customer was not named in the announcement, but the order demonstrates continued interest from large technology companies in dedicated hydrogen-production equipment. Containerized PEM systems can support modular deployment, allowing customers to scale capacity in stages and locate production near industrial facilities, renewable power resources or other hydrogen demand centers. The order also links clean-energy equipment demand to US manufacturing capacity, rather than treating electrolyzers solely as imported infrastructure. For Nel, the contract provides a defined commercial pathway for its MC-series technology and Connecticut operations. For the buyer, the project could support a future hydrogen supply chain, although the announcement does not specify the final site, electrolyzer capacity, renewable-power source or intended end use.

Acquisitions/expansions: Spark Infrastructure has acquired development rights to a group of renewable projects with a combined potential capacity of 1.5 gigawatts across solar, wind and battery storage. The Australian network owner has earmarked approximately A$1.15 billion for potential investment in the portfolio, although chief executive Rick Francis said the company has not made final investment decisions and that approvals could remain months away. Spark previously focused on transmission and distribution ownership, including interests in SA Power Networks, Transgrid, Powercor and CitiPower, and has now expanded further into generation development. The company has also indicated interest in green hydrogen, while stressing that no commitment has been made. The expansion is strategically important because generation assets can complement Spark’s existing network exposure, but the projects will require detailed feasibility work, connection studies, permitting, contracting and investment approvals. The portfolio also reflects Australia’s growing need to pair new renewable generation with batteries and upgraded transmission.

Regulatory/policy: Eskom Holdings has launched a request-for-qualification process for the first phase of its Eskom Green program, seeking renewable-energy partners for as much as 6 gigawatts of utility-scale solar, wind and energy-storage projects. The South African program is designed to bring additional private-sector development into a power system that requires new generation capacity, improved reliability and greater integration of variable renewable resources. Including battery energy storage systems alongside solar and wind allows the procurement framework to address not only installed generation capacity but also dispatch flexibility and balancing needs. The qualification process is an early gate in the development pipeline, with potential participants expected to demonstrate the technical, financial and delivery capabilities needed for large infrastructure projects. The policy significance extends beyond the individual tender: a 6 GW framework can influence equipment procurement, grid-connection planning, land development and financing across South Africa. It also gives developers a clearer route to participate in the country’s long-term electricity transition.

Finance/business: Recurrent Energy has announced commercial operation of the 200 MWp Villameca solar project in Spain, adding a completed utility-scale asset to the company’s European portfolio. Reaching commercial operation means the project has moved beyond construction and commissioning into revenue-generating power production, subject to its offtake and market arrangements. Spain’s strong solar resource and expanding renewable fleet continue to create demand for large photovoltaic plants, grid connections and balancing resources that can manage midday generation and evening load. Villameca’s completion also illustrates the importance of execution milestones in a capital-intensive market, where financing, procurement, construction, interconnection and performance testing must align before a project can begin normal operations. For investors and infrastructure buyers, commercial operation provides a more mature risk profile than an early-stage development announcement. The project adds clean generation to Spain’s electricity system and contributes to the broader build-out of European solar capacity needed to reduce fossil-fuel dependence.

Sources: Research and Markets, Energy Voice, REGlobal, RenewEconomy, SolarQuarter, Recurrent Energy