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Solar Solutions

Product detail

Technician installing rooftop solar photovoltaic panels

Product snapshot

Solar Solutions

AC/DC solar protection panels, combiner boxes and inverter interfaces for Kenyan grid-tie, hybrid and off-grid systems.

01

Array

String count, DC voltage and combiner duty

02

Protect

DC fusing, isolators and AC output breakers

03

Hybrid

BESS protection, changeover and earthing checks

04

EV-ready

Future charger feeders and load-management meters

DC side

String fuses, isolators, 1000V DC SPD and combiner boxes

AC side

ACDB, inverter output breakers, metering and export control

Hybrid duty

BESS protection, changeover logic and EV-ready capacity

Compliance

KPLC/EPRA interconnection and commissioning evidence

Read more

Nairobi Power Engineers supplies and integrates solar energy distribution systems — combiner boxes, inverter panels, battery storage distribution, net-metering interfaces, and DC/AC protection — for commercial, industrial, agricultural, and residential solar installations across Kenya.

Nairobi Power Engineers designs and manufactures the assembly around site duty, prospective fault level, installation access, service continuity, cable entry and maintainability. The supply can be configured with ABB, Schneider Electric or CHINT equipment according to duty, lead time and lifecycle support.

All aspects of the design are detailed in 2D and 3D CAD options. Distribution assemblies are available to the same specification across main, sub-main and final-board levels.

  • Solar string combiner boxes with DC fusing, surge protection and monitoring
  • Inverter distribution boards for string, central, micro, and hybrid inverters
  • Battery Energy Storage System (BESS) distribution and DC protection panels
  • Net-metering interface panels and KPLC/EPRA-compliant interconnection switchgear
  • Solar AC distribution boards with anti-islanding protection and export limiting
  • Hybrid solar-generator-grid ATS panels and changeover coordination
  • Solar array layout and string sizing review
  • DC protection and combiner box specification
  • Inverter selection and AC-side distribution design
  • Net-metering and EPRA interconnection compliance documentation

OEM selection basis

ABB, Schneider Electric and CHINT fit where they genuinely belong.

  • ABB for solar inverters, DC protection, string monitoring and grid-tie coordination.
  • Schneider Electric for Conext/XW solar inverter ecosystems, EcoStruxure monitoring and energy management.
  • CHINT for cost-effective solar combiner boxes, DC breakers, SPDs and downstream distribution boards.

Technical detail library

Product Range & Target Markets, Switchboard Features and Options:

Filter the relevant component trading lines and bespoke assemblies for this product family by market segment. Open the cards for ratings, source basis, build options and direct contact links.

Engineering Calculator

Instant Technical Sizing

Enter parameters for real-time IEC/KPLC-standard sizing. Results update dynamically.

Sizing results

DC String Current

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DC Fuse Rating

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DC SPD protection

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AC Circuit Breaker

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* For reference only. NPE engineering verifies configurations prior to build.

Frequently Asked Questions

What is included in Solar Solutions?

Our Solar Solutions solutions are custom-engineered and assembled locally at our Baricho Road workshop in Nairobi. A standard build includes high-quality modular enclosures, premium copper busbars (rated for local environmental conditions), type-tested circuit breakers or control elements from trusted global partners (ABB, Schneider Electric and CHINT), and comprehensive routine test certifications before delivery.

Which standards and ratings should be confirmed?

All assemblies comply with KEBS and EPRA regulations. You should confirm the required operational voltage (typically 415V three-phase or 240V single-phase in Kenya), rated current, prospective fault levels (e.g., 35kA or 50kA as per KPLC system requirements), form of separation (up to Form 4b), IP rating (IP31 indoor / IP54 for dust-heavy sites), and cable entry orientation (top or bottom entry).

How does NPE choose the product architecture?

NPE starts with the single-line diagram, load schedule and operating sequence, then selects the ev and solar infrastructure path, device families, enclosure format, controls and testing requirements.

What information does NPE need to quote Solar Solutions?

Send the single-line diagram, load schedule, incoming supply details, fault level if known, preferred OEM brand, cable entry direction, installation environment and delivery location.

Can NPE supply ABB, Schneider Electric and CHINT options?

Yes. NPE can quote ABB, Schneider Electric, CHINT or a mixed-OEM architecture according to rating, availability, monitoring requirement, lifecycle support and budget.

Can the system include monitoring and remote signals?

Yes. Metering, alarms, Modbus, Ethernet, BMS contacts, SCADA points and commissioning checks can be included where the selected product family supports them.

Product enquiry

Do you have a Solar Solutions enquiry? Get in touch...

Use the calculators for a first-pass engineering check, then send us the SLD and load schedule for a project-ready selection.

Built and supported in Nairobi

Every solar interface panel NPE builds is specified against the array design and interconnection requirements, assembled and tested at our Baricho Road workshop, and handed over with the documentation your EPC and utility expect. Use the enquiry routes above for a sized quotation, or the form alongside to schedule an engineer.

24/7 Emergency Support

Electrical service you can count on

When solar solutions equipment fails, you need fast, reliable help from experienced engineers. We offer around-the-clock emergency support across Nairobi and East Africa — keeping your plant safe and powered, day or night. Whether it is an urgent breakdown or a scheduled repair, our team is ready to respond whenever you need us.

Cost and Estimates

Solar costs vary significantly depending on several key factors. Here is what you need to know to make informed decisions and avoid unexpected expenses.

What Affects the Cost?

The price of a solar package depends on the load schedule, fault level, enclosure form and IP rating, plus the OEM equipment you specify. Site conditions and delivery timelines also move the number.

Get a Detailed Estimate

Our engineers issue itemised quotations covering equipment, assembly, factory testing and delivery — no hidden fees. You know exactly what to expect before any work begins.

Smart Maintenance

Scheduled inspection, thermographic surveys and torque checks catch small issues early, helping you avoid major repairs. Planned maintenance extends system life and protects uptime.

Fast, Reliable Response

Whether it is a scheduled upgrade or an urgent call, our Nairobi workshop at Baricho Road responds quickly and gets the job done right — minimising downtime and keeping you safe.

When in doubt, put safety first

If you are ever unsure or feel unsafe around an energised assembly, do not take chances — call a licensed engineer. Safety always comes first. Feel free to contact us or give us a call.

+254 0737-944-014

How to stay safe during an electrical emergency

Overheating or Burning Smell
Isolate the supply if it is safe to do so, keep people clear of the panel and call us immediately. A burning smell around an enclosure usually indicates a loose termination or an overloaded circuit and must never be left running.
Nuisance Tripping
Repeated tripping is a symptom, not the fault. It usually points to overload, an earth leakage path or a device sized incorrectly for the duty. We test the circuit, verify discrimination and correct the root cause rather than resetting the device.
Safe Isolation and Access
Only competent, authorised personnel should open a live assembly. Follow lock-off and permit-to-work procedures, and use the correct PPE and rated test equipment for the fault level of the installation.
Routine Inspection Intervals
We recommend periodic inspection and testing in line with the KS/IEC regime for your installation category, with thermographic scanning on critical boards. We can hold the schedule for you and report against it.

Next Step

Specify LV Distribution Switchgear

Request a quote with ratings, environment, preferred OEMs and delivery location.

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