NEM statistical summary of competition: Electricity

	Category	Measure	Period	2016 review	2017 review	2018 review	2019 review	source
NEM	Market characteristics	Number of small customers	As at end of previous financial year	9370238	9483990	9573190	9759983	AER retail statistics, ESC
		Number of retail brands/businesses	As at end of previous calendar year	33 \ 29	33 \ 28		38 \ 33	AEMO data, AEMC analysis
		New retail brand/business entry into NEM		8 \ 8	1 \ 1	2 \ 1	5 \ 5	AEMO data, AEMC analysis
	Independent rivalry	Market concentration (% of customers with Big 3)[1]		72%	71%	70%	67%	AER retail statistics, ESC
	Retailer activity	Number of offers*(foot - elec and gas)		N/A		1850	3469	EME data, AEMC analysis
	Retailer activity	Offer with: conditional/ unconditional/no discount	Between January and March	N/A		57%/25%/20%	47%/26%/27%	EME data, AEMC analysis
	Residential consumer activity	Switching rate- electricity company		18%	19%	22%	24%	AEMO data, AEMC analysis
	Business consumer activity	Switching rate- electricity company[2]		11%		19%	18%	Small business surveys
	Residential Consumer outcome	Satisfaction with level of competition/value for money- electricity		40%/45%	49%/48%	43%/44%	47%/47%	ECA survey, AEMC analysis
	Business consumer outcome			57%/61%	51%/62%	53%/47%	61%/40%	Small business surveys

(1) This does not include Tasmania and regional Queensland. (2) This is based on consumer survey data and is not exhaustive. Businesses were asked if they had switched in the past 12 months.