Instant download on every file Written to IEC and NEC Save up to 50% on 4 files

About us

About Najdeah

Files written by the engineer who uses them

Najdeah publishes the design guides, project sets and financial models behind real solar work, so the next engineer does not start from a blank sheet.

Engineer WrittenFrom real built projects
Standards BasedIEC and NEC throughout
KSA, GCC, MENAWhere the work is done
Editable SourcesNothing locked in a PDF

What Najdeah is

Najdeah is an Arabic platform for renewable energy, built to turn sustainable energy from an idea into action. We provide the tools, the projects and the knowledge that let engineers and developers design a plant, price it and hand it over with confidence, instead of each of them starting from a blank page and rebuilding what has already been delivered dozens of times.

We work along three lines: a shop of editable engineering files, teaching material that explains project economics and risk, and consulting on project development and commercial structuring. One thread runs through all of it: everything we publish came out of a real project, not out of a textbook.

The file shop

Drawings, calculators and financial models in their source formats, bought once and yours to keep forever.

The knowledge

More than 21,000 engineers and trainees from over 30 countries have learned through Najdeah teaching material.

The field experience

More than 100 renewable energy projects that the Najdeah side has helped develop, design or deliver.

Who is behind the files

One engineer, one catalogue, no filler

Najdeah is the publishing side of the work of Eng. Nooraldin Najdeah, CEM®, CEA™, a renewable energy and business development professional with more than nine years across Saudi Arabia, the GCC and the wider MENA region.

His work sits where engineering, commercial structuring and finance meet: originating bankable projects, structuring commercial models, negotiating contracts and closing deals in utility scale and C&I renewable energy — and it is where every file in this shop comes from.

The technical grounding behind it is a Bachelor’s degree in Mechanical Engineering plus the CEM® and CEA™ certifications, which is what makes it possible to de-risk a project early, sanity check CAPEX and OPEX, validate energy yield assumptions and challenge a financial model before anyone commits capital.

Beyond the consulting work, he founded an education platform that has trained more than 20,000 professionals globally on project finance, risk and energy economics. Najdeah is the shelf where the underlying files finally live.

  • BSc Mechanical Engineering, with honours
  • Certified Energy Manager CEM®, AEE
  • Certified Energy Auditor CEA™, AEE
  • 9+ years across Saudi Arabia, Qatar and Jordan
  • 100+ renewable energy projects
  • 21,000+ trainees from 30+ countries
Eng. Nooraldin Najdeah
9+Years in renewable energy across KSA, the GCC and MENA
20,000+Professionals trained through the education platform
180Files sold from this shop to date
147Engineers served as paying customers

What We Actually Stand For

From built projects

The drawings, calculations and reports come out of plants that were designed, financed and commissioned - not out of a template pack.

You get the sources

AutoCAD, Excel with the formulas intact, Word and PVsyst. Nothing is flattened into a locked PDF, because a file you cannot edit is a file you cannot use.

Written to the codes

The design work follows IEC and NEC, and the guide covers the Saudi code and the requirements that come up repeatedly across the Middle East.

How A File Gets Published

It comes off a real job

Nothing is written for the shop first. A file only becomes a product after it has already done its work on a project.

The project data is stripped out

Client names, sites and commercial terms come out. The engineering, the structure and the formulas stay in.

It is checked against the standard

Sizing, protection and documentation are re-checked against IEC and NEC before the file is listed.

It ships as an editable download

Packaged with the source files, priced once, and delivered to your account the moment the payment clears.

What Engineers Say

Great course. Very easy to follow and understand. I learned a lot through this course. No matter you are a beginner or experienced, this course will teach you everything you want to learn regarding solar energy system design and installation.

O
Omar A.Solar Energy Engineer

The content is well organised and the explanation is clear and to the point. It covers the practical side of the design, not only the theory, which is what I was looking for.

A
Ahmad F.Electrical Engineer

Very useful material for anyone working on solar plant design. The examples are taken from real projects and that makes a big difference.

M
Mohamed A.Electrical Engineer
Current Offers

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Send the scope of your project and you will get a straight answer on which file covers it, within 24 to 48 hours.

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