Data Index | Sustainability

Environment

		2019	2020	2021	2022	2023
CO2 emissions (thousand t-CO2)	Scope 1	249	218	265	234	244
	Scope 2	312	314	354	294	278
	Scope 3	N/A	N/A	N/A	N/A	N/A
Energy consumption (crude oil equivalent, kl)		213,906	173,800	206,513	171,944	171,858
Electricity consumption (thousand kWh)		728,618	579,142	690,767	560,300	561,969
Water intake (thousand t)		12,548	12,514	12,772	12,496	12,259
SOx emissions (Nm3)		52,711	55,874	63,064	61,312	62,939
NOx emissions (Nm3)		89,252	81,236	90,065	78,038	99,077
Soot emissions (kg)		4,538	5,097	3,492	4,518	2,508
PRTR substance emissions (kg)		32,898	27,001	21,316	17,999	12,646
Number of ISO-certified plants (applicable number/total number)	ISO 9001	4/6	4/6	5/6	5/6	5/6
	ISO 14001	4/6	4/6	5/6	5/6	5/6
	ISO 45001	2/6	2/6	2/6	2/6	3/6
Plants completed PCB disposal (applicable number/total number)		1/6	1/6	1/6	1/6	2/6

(Scope of calculation:Nippon Denko)

	2019	2020	2021	2022	2023
Total number of employees*	977	976	943	950	937
Number of female employees*	137	137	136	139	132
Number of foreign employees*	4	4	4	4	4
Number of employees with disabilities	13.4	15.3	17.5	17.3	15.6
Percentage of employees with disabilities	2.0	2.1	2.5	2.48	2.20
Number of female employees in management positions	N/A	N/A	N/A	N/A	0
Average years of service	13.4	14.7	15.1	15.9	16.3
Average age	40.0	40.7	40.2	41.5	41.5
Number of people who quit for personal reasons	20	24	18	14	19
Percentage of people who quit for personal reasons	2.6	3.1	2.4	3.0	3.0
Number of people hired during the normal hiring period	28	25	5	18	9
Percentage of women hired during the normal hiring period	21.7	38.9	66.7	12.5	44.0
Percentage of gender wage gap（Full-time employees）	N/A	N/A	N/A	N/A	78.7
Percentage of gender wage gap（Non-full-time employees）	N/A	N/A	N/A	N/A	31.4
Number of employees who took childcare leave	25	20	14	19	16
Percentage of childcare leave taken	92.6	90.9	82.4	90.5	72.7
Percentage of childcare leave taken among male employees	N/A	N/A	N/A	N/A	61.1
Number of employees who took elderly care leave	0	0	0	0	1
Percentage of paid leave taken	66.9	62.0	71.8	74.5	76.0
Total training and education cost (10,000 yen)	3,123	1,586	2,426	3,686	3,809
Number of training hours per person (hrs)	N/A	6.4	6.9	11.5	11.5

(* consolidated)

	2019	2020	2021	2022	2023
Number of Directors	8	7	7	7	7
of which outside Directors	3	3	3	3	3
Number of Audit & Supervisory Board Members	4	4	3	4	4
of which outside Audit & Supervisory Board Members	4	4	3	4	4
Directors’ total remuneration and other (millions of yen)	185	143	177	190	155
Number of meetings of the Board of Directors	17	17	18	17	17
Number of cases involving serious legal violations	0	0	0	0	0