a$)$ Produce a renewable energy plan with individual schematic diagrams $(1$ overall plan plus $4$ RET diagrams$-5$ drawings in total$)$ of selected renewable energy technologies $($RETs$)$ that includes an explanation of their construction, and operating principles, paying particular attention to the RET type specified in brackets below. The renewable resources to be considered are:

$$ i$.$ Solar $($PV$)$

$$ ii$.$ Wind $($Synchronous$)$

$$ iii.$$ Biomass $($AD CHP$)$

$$ iv$.$ Tidal $($Lagoon$)$