Innovative Engineering Solutions

 At OneReactive, we provide technical assistance for the completion and submission of grid connection applications under the UK's G99 and G100 standards. We specialize in managing the documentation, technical detailing, and communication with National Grid (NG), National Electricity System Operator (NESO),Distribution Network Operators (DNOs) & Independent Distribution Network Operators (IDNOs) to streamline your connection approval process from micro generation to large generation sites.

  At OneReactive, we offer expert consultancy services to deliver the key steady-state studies required for power system planning, design verification, and regulatory compliance that includes Load flow analysis, Network Losses study, Short circuit Study, Reactive Power capability. We focus on conducting and compiling the technical studies you need — with clear, accurate reports tailored for DNO submissions, EPC projects, and internal reviews that helps our customer to secure a connection point.

 At OneReactive, we provide specialized consultancy services for power quality studies, helping our clients assess and address compliance with grid codes, connection agreements, and industry standards such as G5/5, P28, P29 as per ENA guidelines. Our focus is on identifying what stage of assessment is required along with delivering precise, data-driven reports that clearly identify potential risks and support successful project connections. 

 At OneReactive, we offer specialized consultancy services focused on delivering dynamic system studies required under the UK's ENA EREC G99 standards for generation and storage connections. Our service ensures that your project meets the dynamic performance and compliance obligations for connecting to the transmission or distribution network at various voltage levels. 

 At OneReactive, we deliver specialized training courses designed to build practical expertise in modern power system analysis and simulation. Our courses combine deep theoretical understanding with hands-on sessions using industry-standard software tools such as DigSILENT PowerFactory and PSCAD, empowering engineers to confidently tackle real-world power system challenges. 

 At OneReactive, we provide comprehensive project management services for power systems studies and grid connection deliverables — ensuring that every step, from initial data gathering to final submission and regulatory approval, is expertly coordinated and delivered on time. From Data collection and validation to submission and gaining approval we have got your back.