Table 2.

Electricity generation and storage for different scenarios and regions.

Grid	${\alpha }_{\mathrm{opt}}$ a	Wind (GW)	Solar (GW)	Shallow		Medium		Deep		Cost ($Bn)
				P (GW)	E (GWh)	P (GW)	E (GWh)	P (GW)	E (GWh)
Copper plate (CP)
AEM	1.12	32.8	21.4	4.43	10.8	2.05	11.5	10.06	308	108
Isolated grids (IG)
NSW	1.27	17	8.43	2.51	7.02	1.29	11.54	3.69	172	52.5
QLD	1.30	8.27	16.0	0.07	0.27	5.06	43.6	2.89	339	52.2
VIC	1.28	6.97	4.6	1.17	2.94	0.79	4.67	3.20	285	30.4
SA	1.71	2.22	1.56	0.60	1.74	0.27	2.03	1.35	109	11.2
TAS	1.0	0.2	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.3
WA	1.46	3.78	3.28	1.05	2.49	0.45	4.17	1.54	124	17.0
AEM	1.3	38.4	33.9	5.4	14.5	7.9	66.0	12.7	1029	163
Business-as-usual (BAU)
NEM	1.2	34.4	21.2	4.42	11.8	4.73	40.0	8.65	547	120
WEM	1.46	3.78	3.28	1.05	2.5	0.45	4.17	1.54	124	17.0
AEM	1.22	38.2	24.5	5.5	14.3	5.18	44.05	10.2	671	137
Australian Electricity Market (AEM)
AEM	1.19	38.2	21.04	4.16	13.2	4.70	39.20	9.30	647	129.1

^aThe optimum over-capacity factor determined by the algorithm, that results in the least-cost generation-storage-interconnector solution.