Selected work

Commissioned plants, audited buildings, trained crews

Every entry below is real delivered work. You get the brief, the engineering call I made and the numbers a client or auditor can check for themselves.

2.02 MWp
Solar capacity designed
430 kWh
Battery storage specified
50+
Technicians and engineers trained
Kakuma 2: 1.3 MWp solar mini-grid design
Clean Energy

Kakuma 2: 1.3 MWp solar mini-grid design

Decentralised solar mini-grid design powering boreholes around Kakuma refugee camp, Kenya.

01The problem
Boreholes serving the camp depended on unreliable, expensive power, limiting access to clean water.
02Engineering decision
Designed a 1.3 MWp mini-grid integrating generation, distribution and storage, load analysis, system sizing, equipment selection and optimisation with industry-standard tools.
03Verifiable outcome
  • 1.3 MWp decentralised generation designed
  • Reliable borehole pumping for the community
  • Optimised sizing for generation, distribution and storage
  • Solar PV
  • Mini-grid
  • Load analysis
  • Storage sizing
  • System optimisation
Case study Video Repo
ASHRAE Level II energy audit: Mövenpick Hotels
Energy Audit

ASHRAE Level II energy audit: Mövenpick Hotels

Comprehensive building-systems audit with costed energy conservation measures and ROI analysis.

01The problem
Rising utility consumption with no clear benchmark of where energy was being lost across the property.
02Engineering decision
Assessed HVAC, lighting, domestic hot water, plug loads and control strategies, benchmarked utility data and identified Energy Conservation Measures.
03Verifiable outcome
  • No-cost/low-cost and capital ECMs identified
  • Payback, ROI and annual savings quantified
  • Foundation set for future retrofit projects
  • ASHRAE Level II
  • HVAC
  • Lighting
  • Utility benchmarking
  • ROI analysis
Case study Video Repo
Industrial automation commissioning & field service
Automation

Industrial automation commissioning & field service

Installation, commissioning and maintenance of automation systems for manufacturing, utilities, FMCG and processing clients.

01The problem
Clients faced automation faults and electrical downtime with limited on-site diagnostic capability.
02Engineering decision
Installed, configured and commissioned PLCs, HMIs, VFDs, servo drives, control panels and sensors; ran diagnostics and preventive maintenance with full service reports and wiring diagrams.
03Verifiable outcome
  • Improved system uptime across client sites
  • Faster fault diagnosis and resolution
  • Documented wiring diagrams and service reports
  • PLC
  • HMI
  • VFD
  • Servo drives
  • Control panels
  • Diagnostics
Case study Video Repo
Industrial automation training programme
Training

Industrial automation training programme

Hands-on PLC, HMI, SCADA and industrial wiring training for technicians and engineers in Nairobi.

01The problem
Technicians had theoretical knowledge but limited practical confidence with modern automation hardware.
02Engineering decision
Built comprehensive training manuals and assessments, and delivered practical lab exercises across PLC programming, HMI design, SCADA basics and industrial wiring.
03Verifiable outcome
  • 50+ technicians and engineers trained
  • 40% measured competency improvement
  • Reusable manuals and assessment framework
  • PLC programming
  • HMI design
  • SCADA basics
  • Industrial wiring
  • Assessments
Case study Video Repo
Thika Technical Training Institute: 339.76 kWp solar + 430 kWh BESS
Clean Energy

Thika Technical Training Institute: 339.76 kWp solar + 430 kWh BESS

Full AutoCAD as-built design for a 339.76 kWp DC / 300 kWac rooftop PV plant with battery storage at TTTI, Thika (Gizaa Power Solutions Ltd, DWG-TTTI-PV-03).

01The problem
The institute needed a resilient, low-cost campus supply that could ride through grid instability while serving heavy workshop loads.
02Engineering decision
Designed and drafted the complete electrical package: SLD/MLD AC-DC topology with string-to-inverter assignments, busbar arrangements and SmartLogger monitoring; dimensioned AC Combiner and ESS Control board enclosures; mini-rail and full-rail roof mounting with clamp and structural details; and a TS10 ESE lightning arrestor pole with earthing and foundation specs.
03Verifiable outcome
  • 339.76 kWp DC / 300 kWac with a 430 kWh (600 kW) battery bank
  • 548 × Jinko 620 W modules and 6 × Huawei SUN2000-50KTL-M3 inverters
  • 504.4 MWh/year expected yield, 1,484.6 kWh/kWp at 75.0% PR
  • Complete as-built drawing set: SLD/MLD, panel details, mounting, lightning & earthing
  • AutoCAD
  • SLD / MLD
  • Huawei SUN2000
  • BESS
  • SmartLogger
  • ESE lightning protection
  • Earthing design
Case study Video Repo
KINAP Workshops: 253 kWp rooftop PV system
Clean Energy

KINAP Workshops: 253 kWp rooftop PV system

253 kWp DC / 200 kWac grid-tied PV system for The Kiambu National Polytechnic workshops, modelled in PVsyst V8.1.3 for Gizaa Power Solutions.

01The problem
Workshop machinery drove high daytime demand charges, with no on-site generation to offset peak consumption.
02Engineering decision
Sized a 1.26 DC:AC array of 408 × 620 Wp monocrystalline modules across four Huawei 50 kWac inverters, then ran full PVsyst yield, shading and loss modelling to validate production and carbon savings.
03Verifiable outcome
  • 253 kWp DC / 200 kWac, DC:AC ratio 1.26
  • 363,090 kWh/year P50, 1,435 kWh/kWp/year specific production
  • 76.38% performance ratio
  • ≈443.13 tCO₂ lifetime net balance (≈3,605.5 tCO₂ replaced over 30 years)
  • PVsyst V8.1.3
  • JAM78-D40-620-MB
  • Huawei SUN2000-50K-MC0
  • Yield modelling
  • Shading analysis
Case study Video Repo
KIST Tuition Block: 126 kWp rooftop PV system
Clean Energy

KIST Tuition Block: 126 kWp rooftop PV system

126 kWp DC / 100 kWac rooftop PV system for the KIST tuition block at The Kiambu National Polytechnic, modelled in PVsyst V8.1.3.

01The problem
The tuition block ran entirely on grid supply, with lighting, IT and HVAC loads coinciding with peak solar hours.
02Engineering decision
Configured 204 × 620 Wp monocrystalline modules on two Huawei 50 kWac inverters at a 1.26 DC:AC ratio, with PVsyst simulation of irradiance, losses and lifetime emissions balance.
03Verifiable outcome
  • 126 kWp DC / 100 kWac, DC:AC ratio 1.26
  • 185,717 kWh/year P50, 1,468 kWh/kWp/year specific production
  • 77.08% performance ratio, highest of the three sites
  • ≈1,378.6 tCO₂ lifetime net balance (≈1,844.2 tCO₂ replaced over 30 years)
  • PVsyst V8.1.3
  • JAM78-D40-620-MB
  • Huawei SUN2000-50K-MC0
  • Loss diagram
  • Carbon balance
Case study Video Repo

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