Okay I've edited the list:
Removed: Wangaratta (Vic), Eden (NSW), Lakes Entrance (Vic), Bordertown (SA), Shepparton (Vic), Echuca (Vic)
Added: Cann River (Vic), Gundagai (NSW), Keith (SA), Jindabyne (NSW), Tailem Bend (SA), Albury/Wodonga, Bateman's Bay (NSW)
The priority list, number of stalls is just a guess, higher number between capital cities:
Apollo Bay [4 Stalls] Opens up the Great Ocean Road for Teslas, perfect for tourists/daytrips and services the coastal towns.
Horsham [4 Stalls] Melbourne - Adelaide route. Opens up the west of the state for holidays, eg: Grampians. 202km to Tailem Bend (SA), 193km to Ballarat.
Keith, SA [2 Stalls] Melbourne - Adelaide route.. 202km from Horsham (Vic), 130km from Tailem Bend (SA), 219km to Mt Gambier (SA)
Tailem Bend, SA [2 Stalls] Melbourne - Adelaide route. 202km from Horsham, 96km from Adelaide.
Seymour, Vic [6 Stalls] Serves central Victoria Melbourne - Canberra/Sydney route. 217km to Bright, 219km to Albury/Wodonga, 112km to Melbourne.
Albury/Wodonga [6 Stalls] Melbourne - Canberra/Sydney route. 219km to Seymour, 178km to Gundagai.
Gundagai, NSW [6 Stalls] Melbourne - Canberra/Sydney route. Perfect spacing between Albury/Wodonga (178km) and Canberra (161km) & Golburn (181km)
Golburn, NSW [6 Stalls] Sydney - Canberra/Melbourne route. 196km to Sydney, 181km to Gundagai, 90km to Canberra, 257km to Jindabyne, 145km to Bateman's Bay.
Jindabyne, NSW [4 Stalls] Seasonal usage. Entrance to NSW skifields. 179km to Canberra, 193km to Cann River, 266km to Golburn, 257km to Albury/Wodonga via mountains.
Bright, Vic [4 Stalls] Seasonal usage. 217km from Seymour, 121km from Albury. Gateway to the skifields, big climbs to the alpine villages of Mt Hotham 1862m (55km), Falls Creek 1600m (61km), Mt Buffalo 1723m (13km) Will need this stop for loaded cars on skitrips. Open before 2015 ski season
Warrnambool, Vic [4 Stalls] End of the Great Ocean Road. Provides a shorter route to Geelong (190km) via Princes Highway once GOR has been driven. Gives access to west of state. 230km to Horsham, 265km to Melbourne
Traralgon, Vic [4 Stalls] Opens the east of the state & Gippsland. 163km from Melbourne, 282km from Cann River
Cann River, Vic [2 Stalls] Melbourne - Sydney/Canberra coastal route. 282km from Traralgon, 307km from Bateman's Bay, 289km from Canberra, 193km from Jindabyne.
Ballarat, Vic [2-4 Stalls] Melbourne - Adelaide route. 113km from Melbourne, 117km to Bendigo (Via Daylesford), 193km to Horsham, 174km to Warrnambool
Bateman's Bay [2 Stalls] Melbourne - Sydney/Canberra coastal route. Canberra 148km, Golburn 145km, Cann river 307km, Jindabyne 302km, [Wollongong 196km: no supercharger], Sydney 278km
Peterborough, SA [2 Stalls] 284km to Broken Hill, 261km to Adelaide, 131km to Port Augusta.
Bendigo, Vic [4 Stalls] Popular destination, expands range into central & northern Victoria. 302km to Ouyen, 153km to Melbourne, 215km to Horsham.
Geelong, Vic [4 Stalls] Throughfare location, services Torquay, Angelsea, Queenscliff and the Bellarine Peninsular.
Mildura, Vic [2 Stalls] North of the state, 401km from Bendigo, 396km from Adelaide, provides an interior route to Adelaide or southern NSW, destination for holidays. 100km from Ouyen.
Ouyen, Vic [2 Stalls] Infill location for route to Mildura. 300km to Bendigo, 100km to Mildura, 376Km to Adelaide, 210km to Horsham
Mt. Gambier, SA [2 Stalls] Infill location, coastal route from Melbourne - Adelaide. 180km to Bordertown, 185km to Warrnambool
Hay, NSW [2 Stalls] Infill location, inland Adelaide - Canberra/Sydney route. 294km to Mildura, [267km Wagga Wagga] 349km to Gundagai
Broken Hill, NSW [2 Stalls] Infill location, no huge use/demand. 297km to Mildura, 284km to Peterborough.
Summary:
8 superchargers to connect Sydney, Canberra, Melbourne and Adelaide, not including chargers in each city. (+ Apollo Bay/Great Ocean Road SC)
8 superchargers to fill out map and connect more towns and cities, coverage for eastern Victoria, establishes coastal route from Melbourne to Canberra/Sydney & Alpine route from Albury/Wodonga to Jindabyne.
7 superchargers to infill locations on existing routes for Model III/60Kw battery cars. Opens up coverage to northern Vic. Broken Hill & Hay included but probably not needed for years.
5 additional SCs for Melbourne to Brisbane inland route. Opens up inland NSW.
Gundagai -172km-
Cowra -212km-
Dubbo -278km-
Narrabri -226km-
Goondiwindi -223km-
Toowomba -125km-
Brisbane. [Note: Possibly add in
Coonabarrabran between Dubbo and Narrabri to infill long segments. Added Katoomba, NSW too]
Being a Melbourne man I don't really know great spots between Brissy and Syd so I'll let someone else (Evan Beaver
) work those out.