TPDDL has proposed to install solar rooftop demonstration projects in International Solar Alliance (ISA) member countries with power purchase agreements (PPA). The proposal includes setting up these demonstration projects in key government buildings. The buildings include offices and residence of the of the head of state and head of government, office and residence of chief of judiciary, office and residence of the head of the legislature or as approved by National Focal points. With these installations it proposes to reach 1 MW capacity for each country.
An illustrative example was shown with solar projects in Ghana and Botswana, where installations on the Presidential house of both countries would save $ 0.86 million and $ 0.75 million respectively.
TPDDL has installed 508 kW of rooftop solar plant at Rashtrapati Bhavan (President estate in India).
The strategy adopted for making such installations would be done according to tariff, power availability, regulations, viability of various financial models and solar radiations. The technology selection will be done considering on grid / off grid / hybrid systems, storage systems, power reliability and weather conditions. Financial model implementation would be done according to selection of companies, PPA, industry sponsorship and availability of skilled manpower. Finally, the implementation will be based on project management and capacity building.
The key service terms offered by TPDDL are tentative generation of 1250 to 1450 kWh/ kW annually. The maintenance and repair would be free of cost for entire term of 10 years. Ownership would be transferred to state authority after 10 years with no additional cost. There will be online monitoring of energy usage 24 X 7.
The benefits for 1 MW of projects would be savings of $2.5 to $3 million, there will be skill development and employment generation and abatement of 1250 tonnes CO2 per annum.
The way forward will be to forward the proposals to member countries, hold joint meetings with embassies, shortlisting the countries, in principle approval and MoU with member countries, finalizing the PPA between project financier & state authority and finally implementing the project as per scope.
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