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Your Trusted Electrical Engineering Partner for Power Quality
Enspec Power has established itself as a leader in electrical engineering solutions, delivering precision and innovation across power quality, renewable energy, and grid compliance services. With a focus on safety, efficiency, and sustainability, we serve industries ranging from renewables to manufacturing, ensuring reliable electrical network operations. Our team of experts utilises advanced technologies like Point-on-Wave switching and SynchroTeq devices to mitigate inrush currents and enhance grid stability. Recognised for ISO 9001 certification and UKAS accreditation, we prioritise client satisfaction through tailored consultancy, preventive maintenance, and emergency response services.

Collaborations with global clients like Vestas and EDF Renewables underscore our commitment to excellence. By integrating cutting-edge engineering with decades of collective experience, we empower businesses to achieve operational resilience and Net Zero goals. Our transparent approach, supported by comprehensive studies and real-time solutions, ensures compliance with international standards while minimising downtime and maximising profitability.
Services
Power System Studies Renewable Energy Consultancy Power Factor Correction Harmonic Filters Point-on-Wave Switching Site Services Earthing Systems Reactive Compensation Active Harmonic Filters
Highlights and features
  • We are ISO 9001 certified with UKAS accreditation for quality management.
  • Our engineers have over 15 years of experience in renewable energy projects.
  • We utilise patented algorithms for transformer switching efficiency.
  • OHSAS 18001 registered for health and safety excellence.
  • Emergency response services available for critical power issues.
Associations and certifications
  • ISO 9001
What people say
Excellent in-house engineering Quickly bring innovative technologies Great customer service Cost-effective solution Safe and timely delivery
Services
Power System Studies
Power System Studies ensure safe, efficient electrical networks by identifying potential issues and optimising performance. Our engineers use advanced software like DIgSILENT PowerFactory to model systems, assess compliance with standards, and provide actionable reports. This reduces downtime and ensures grid connection agreements, saving clients time and money.
Renewable Energy Consultancy
Our Renewable Energy Consultancy helps businesses transition to sustainable power sources. We evaluate system requirements, design bespoke solutions like solar or wind installations, and ensure grid compliance. By integrating battery storage and hydrogen production, we deliver cost-effective, carbon-negative systems with payback periods of 2-8 years.
Power Factor Correction
Power Factor Correction (PFC) reduces electricity costs by eliminating reactive power charges and minimising network losses. We design fixed, automatic, or dynamic PFC systems tailored to client needs, freeing up capacity for plant expansion and improving overall energy efficiency.
Harmonic Filters
Harmonic Filters mitigate electrical distortion caused by variable speed drives and inverters. We offer passive, damped, and active filter solutions to reduce nuisance tripping and equipment stress. Custom designs ensure compliance with standards like IEEE 519, enhancing system stability and longevity.
Point-on-Wave Switching
Point-on-Wave Switching eliminates inrush currents during transformer and capacitor energisation. Using SynchroTeq devices, we precisely time switching events to prevent transients, ensuring P28 compliance and reliable grid connections. This technology reduces downtime and extends equipment lifespan.
People
Mara Rastall
Chief Executive Officer
Mara Rastall leads Enspec Power with strategic vision, driving innovation in power quality and renewable energy solutions. Her leadership ensures client-centric service delivery and operational excellence across global projects.
Tim Rastall
Chief Technical Officer
Tim Rastall oversees technical operations, leveraging expertise in electrical engineering to develop cutting-edge solutions like SynchroTeq switching systems. He ensures compliance with international standards and fosters engineering excellence.
Kerim Ozer
Director of Consultancy
Kerim Ozer specialises in renewable energy integration, delivering grid compliance solutions for wind farms and industrial clients. His technical acumen ensures sustainable, cost-effective systems tailored to client needs.
Mourya Ghosh
Director of Engineering
Mourya Ghosh leads engineering teams in designing harmonic filters and reactive compensation systems. His focus on innovation and quality ensures reliable power solutions for complex industrial and renewable energy projects.
Tony Cook
Director of Site Services
Tony Cook manages preventive maintenance and emergency response services, ensuring operational continuity for clients. His team's expertise in electrical safety reduces downtime and enhances system reliability.
Questions
What industries does Enspec Power serve?
We serve renewables, utilities, manufacturing, oil & gas, and data centres, providing tailored electrical engineering solutions for power quality and grid compliance.
How does Enspec ensure grid compliance for renewable projects?
We conduct P28 assessments, harmonic studies, and reactive compensation design to meet grid code requirements, ensuring seamless connections and reliable operations.
What is Point-on-Wave switching used for?
It prevents inrush currents during transformer and capacitor energisation, reducing transients and ensuring compliance with standards like Engineering Recommendation P28.
Does Enspec offer emergency maintenance services?
Yes, our OHSAS 18001-registered team provides emergency response and fault-finding services to minimise downtime for critical power systems.
How can Power Factor Correction benefit my business?
PFC reduces electricity costs by eliminating reactive charges, lowers network losses, and frees up capacity for plant expansion, improving overall energy efficiency.