The loans range from Sh130,500 to Sh175,000 per every 20 square metres.
The facility, which will constitute 3,300 solar panels, will generate 1,256MWh a year.
The 0.5% levy is payable to the authority by owners of projects above Sh5 million.
A group of rich Qataris jetted into Kenya this week to scout for deals in the country.
The 170-room City Lodge Hotel will be situated within Two Rivers Mall on Limuru Road.
Mr Pattni has been investing heavily in the city's land and property sector since January.
The property is expected to appeal to high net worth international buyers.
The new product will be used in place of other cement and lime varieties.
Phase one and two of the project, comprising 850 housing units are completed and fully sold.
Nairobi building permit fees are said to be the highest across the continent.
Charter cities operate under distinct legal systems tailored to foster investment.
Safety fears grow as unqualified builders replace qualified engineers.
NPDMS has done little to fix a process still riddled with inefficiencies and abuse.