Can high levels of renewable energy be cost effective using battery storage? Cost of renewable energy scenarios for an isolated electric grid in Western Australia | Renewable Energy and Environmental Sustainability

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Table 9

Variable annual operating and maintenance costs for different energy generation and storage technologies.

Technology	Variable annual operating and maintenance cost OMC_v ($/MWh)	Reference
Roof top solar PV	0	EPRI [43]
Utility scale solar PV	0	EPRI [43]
Wind	10	Blakers et al. [55]
Storage	3.1	Brinsmead et al. [58]
Energy efficiency	0^*
Coal	2.5	EPRI [43]
Gas	1.5	EPRI [43]

The annual operating and maintenance cost of energy efficiency measures is often zero or even negative (the operating and maintenance cost of the building, appliance or process is reduced). All costs are in Australian dollars.

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