By public transport:
There are various buses from Budapest (Újpest Városkapu, Heltai János tér), Szentendre and nearby cities (Tahitótfalu, Esztergom).
If you take HÉV 5 suburban train from Budapest, ride until Pannóniatelep station. It is in walking distance from the SDE19 Solar Village. Unfortunately, the trains are not wheelchair accessible. A single ticket is valid until the Budapest border (Békásmegyer). You can buy an extention ticket to Pannóniatelep on the train from the inspector or in any ticket machines.
There are protected bike lanes part of the EuroVelo6 network between Budapest and Szentendre. You can also take your bike on board HÉV 5 for an additional ticket.
Should you though arrive by car, guarded parking is provided for free of charge inside the ÉMI Non-profit Llc site directly next to the SDE19 Solar Village.
Address of the SDE19 Solar Village:
ÉMI Szentendre Science and Technology Park,
26 Dózsa György út, 2000 Szentendre