Dagresultaten op de energiemarkt Resultaten toevoegen

Resultaten van 15 december 2025

In de tabel vind je de resultaten en activiteit van thuisbatterijen aangestuurd door verschillende aanbieders. Om de resultaten beter te vergelijken tonen we deze inclusief Op basis van je voorkeur tonen we de resultaten exclusief btw, dit kan afwijken van wat de aanbieder standaard laat zien. Klik op instellingen om je weergave aan te passen, extra informatie over de resultaten van batterijen vind je onder Uitleg tabel.

Legenda Uitleg tabelHoe lees ik de tabel

Alle aanbieders Frank Energie Zonneplan

Ingevoerde resultaten

Opbrengst in

€ €/kW €/kWh

Toon resultaat

Betrouwbaarheid

Alle Geen interpolatie/optelling

Batterijset

Groeperen op

Vermogen omvormer (kW)

Min

Max

Opslagcapaciteit (kWh)

Min

Max

Filters resetten

	Naam	Kenmerken	Handelsresultaat	Aanbieder	Activiteit
1	Dhoeve	46 kWh, 20 kW	€ 19,05	Frank Energie	22kWh 38kWh
2	Botvink	25 kWh, 10 kW	€ 10,51	Frank Energie	36kWh 30kWh
3	pkm1mlxd	15 kWh, 10 kW	€ 9,99	Frank Energie	28kWh 26kWh
4	WitteArent	15 kWh, 10 kW	€ 9,84	Frank Energie	15kWh 16kWh
5	Marces.nl	30 kWh, 12 kW	€ 9,66	Frank Energie	11kWh 23kWh
6	Veldkornet	26 kWh, 11 kW	€ 9,57	Frank Energie	15kWh 21kWh
7	cdeheij	20 kWh, 10 kW	€ 9,27	Frank Energie	37kWh 46kWh
8	Lei	46 kWh, 10 kW	€ 9,14	Frank Energie	36kWh 42kWh
9	huubke25	4 kWh, 4 kW	€ 8,19	Frank Energie	1kWh 2kWh
10	joep_poot	16 kWh, 10 kW	€ 8,16	Frank Energie	14kWh 18kWh
11	renedu	19 kWh, 10 kW	€ 8,16	Frank Energie	21kWh 24kWh
12	nesceo	16 kWh, 8 kW	€ 7,99	Frank Energie	17kWh 17kWh
13	Ruben Ebben	15 kWh, 10 kW	€ 7,99	Frank Energie	12kWh 16kWh
14	www.dVes.nl	48 kWh, 20 kW	€ 7,65	Frank Energie	81kWh 108kWh
15	Hengevelde	60 kWh, 12 kW	€ 7,43	Frank Energie	47kWh 85kWh
16	Berrie Batterij	46 kWh, 15 kW	€ 7,26	Frank Energie	70kWh 38kWh
17	HuisHoeve	46 kWh, 20 kW	€ 6,51	Frank Energie	58kWh 41kWh
18	MatthijsvR	46 kWh, 12 kW	€ 6,46	Frank Energie	67kWh 34kWh
19	SHZW12	48 kWh, 15 kW	€ 6,44	Frank Energie	56kWh 34kWh
20	Gaspieper	11 kWh, 5 kW	€ 6,39	Frank Energie	12kWh 14kWh
21	DCCM	30 kWh, 23 kW	€ 6,16	Frank Energie	35kWh 36kWh
22	John	46 kWh, 10 kW	€ 5,98	Frank Energie	54kWh 42kWh
23	GridGrinner	40 kWh, 20 kW	€ 5,82	Frank Energie	47kWh 39kWh
24	a.kruiskamp	20 kWh, 6 kW	€ 5,60	Frank Energie	28kWh 30kWh
25	LaScuderia	24 kWh, 15 kW	€ 5,31	Frank Energie	25kWh 21kWh
26	RHE123	20 kWh, 11 kW	€ 5,30	Frank Energie	27kWh 27kWh
27	Kinimod	14 kWh, 5 kW	€ 5,19	Frank Energie	20kWh 20kWh
28	Osluis	36 kWh, 15 kW	€ 5,18	Frank Energie	41kWh 33kWh
29	ejl888	15 kWh, 8 kW	€ 5,17	Frank Energie	8kWh 10kWh
30	jdb	32 kWh, 15 kW	€ 5,13	Frank Energie	46kWh 25kWh
31	MarcES.nl 1	70 kWh, 26 kW	€ 5,00	Frank Energie	76kWh 62kWh
32	AlphaESSJ	46 kWh, 20 kW	€ 4,95	Frank Energie	51kWh 37kWh
33	lamztib	20 kWh, 11 kW	€ 4,94	Frank Energie	25kWh 25kWh
34	erver83	10 kWh, 5 kW	€ 4,92	Frank Energie	10kWh 11kWh
35	EnergyExplorer	9 kWh, 5 kW	€ 4,84	Frank Energie	13kWh 13kWh
36	Guy	15 kWh, 5 kW	€ 4,83	Frank Energie	13kWh 15kWh
37	ZCN	32 kWh, 16 kW	€ 4,82	Frank Energie	47kWh 25kWh
38	Pluumo	32 kWh, 12 kW	€ 4,78	Frank Energie	44kWh 22kWh
39	🔋🔋🔋Vriezenveen 🪫🪫🪫	20 kWh, 10 kW	€ 4,61	Frank Energie	15kWh 24kWh
40	Tuusje	14 kWh, 5 kW	€ 4,45	Frank Energie	8kWh 11kWh
41	Kloetjes	31 kWh, 10 kW	€ 4,32	Frank Energie	40kWh 31kWh
42	PieterV	18 kWh, 9 kW	€ 4,03	Frank Energie	23kWh 23kWh
43	Sdk	24 kWh, 12 kW	€ 4,03	Frank Energie	28kWh 25kWh
44	Danny_79	24 kWh, 12 kW	€ 3,99	Frank Energie	30kWh 26kWh
45	Sperwer2	41 kWh, 15 kW	€ 3,99	Frank Energie	40kWh 42kWh
46	DAFALTEM	30 kWh, 10 kW	€ 3,98	Frank Energie	34kWh 29kWh
47	ManiNL	25 kWh, 8 kW	€ 3,96	Frank Energie	37kWh 21kWh
48	Erdebee	25 kWh, 10 kW	€ 3,94	Frank Energie	38kWh 21kWh
49	Peejee	25 kWh, 8 kW	€ 3,94	Frank Energie	32kWh 23kWh
50	Sander325	24 kWh, 12 kW	€ 3,93	Frank Energie	29kWh 25kWh
51	VincentB	30 kWh, 10 kW	€ 3,88	Frank Energie	33kWh 28kWh
52	Jaegertjes	24 kWh, 12 kW	€ 3,84	Frank Energie	33kWh 27kWh
53	Lextra	30 kWh, 10 kW	€ 3,79	Frank Energie	34kWh 30kWh
54	Zuudje	23 kWh, 10 kW	€ 3,79	Frank Energie	36kWh 19kWh
55	Mijnhuis	21 kWh, 10 kW	€ 3,78	Frank Energie	26kWh 20kWh
56	RolandK	23 kWh, 10 kW	€ 3,78	Frank Energie	36kWh 19kWh
57	ZM9	23 kWh, 10 kW	€ 3,78	Frank Energie	35kWh 20kWh
58	Sjaper	20 kWh, 5 kW	€ 3,76	Frank Energie	27kWh 28kWh
59	dmadroon	32 kWh, 16 kW	€ 3,73	Frank Energie	37kWh 15kWh
60	Xcited88	24 kWh, 12 kW	€ 3,73	Frank Energie	30kWh 25kWh
61	DesertroadESS	23 kWh, 10 kW	€ 3,68	Frank Energie	35kWh 19kWh
62	RobertJan_J	24 kWh, 12 kW	€ 3,68	Frank Energie	29kWh 25kWh
63	sperwer51	20 kWh, 8 kW	€ 3,67	Frank Energie	20kWh 23kWh
64	JesseL	24 kWh, 12 kW	€ 3,65	Frank Energie	34kWh 19kWh
65	Lvdbergh	24 kWh, 12 kW	€ 3,65	Frank Energie	33kWh 19kWh
66	Qilowatt-3.8kWh	4 kWh, 4 kW	€ 3,63	Frank Energie	4kWh 4kWh
67	A-Jay	25 kWh, 9 kW	€ 3,62	Frank Energie	31kWh 25kWh
68	nlklund2	24 kWh, 12 kW	€ 3,61	Frank Energie	29kWh 22kWh
69	mfjnab	24 kWh, 12 kW	€ 3,56	Frank Energie	28kWh 24kWh
70	Rob	24 kWh, 12 kW	€ 3,56	Frank Energie	29kWh 23kWh
71	Jans de Vries	23 kWh, 10 kW	€ 3,47	Frank Energie	30kWh 24kWh
72	gsg2	30 kWh, 10 kW	€ 3,46	Frank Energie	32kWh 24kWh
73	Ikke	10 kWh, 3 kW	€ 3,46	Frank Energie	9kWh 13kWh
74	De Lutte ESS	25 kWh, 10 kW	€ 3,45	Frank Energie	29kWh 23kWh
75	mj_smit	24 kWh, 12 kW	€ 3,41	Frank Energie	32kWh 18kWh
76	StefanW	24 kWh, 12 kW	€ 3,41	Frank Energie	28kWh 23kWh
77	Teknoman360	23 kWh, 10 kW	€ 3,39	Frank Energie	28kWh 23kWh
78	Kimxx	15 kWh, 10 kW	€ 3,38	Frank Energie	17kWh 17kWh
79	W_020	32 kWh, 15 kW	€ 3,35	Frank Energie	33kWh 18kWh
80	Quadri	24 kWh, 10 kW	€ 3,30	Frank Energie	29kWh 22kWh
81	Urk energie	24 kWh, 12 kW	€ 3,24	Frank Energie	27kWh 24kWh
82	LvdV	25 kWh, 10 kW	€ 3,24	Frank Energie	31kWh 25kWh
83	arco_m	24 kWh, 12 kW	€ 3,21	Frank Energie	28kWh 28kWh
84	*RO-VELSERBRICK*	24 kWh, 12 kW	€ 3,18	Frank Energie	29kWh 21kWh
85	TomF	24 kWh, 12 kW	€ 3,18	Frank Energie	27kWh 24kWh
86	thuis	21 kWh, 10 kW	€ 3,18	Frank Energie	34kWh 27kWh
87	Jaap Kreek 🔋	24 kWh, 8 kW	€ 3,17	Frank Energie	26kWh 20kWh
88	Error 404	24 kWh, 8 kW	€ 3,11	Frank Energie	24kWh 18kWh
89	mjpvdh	4 kWh, 4 kW	€ 3,06	Frank Energie	3kWh 3kWh
90	MaxS	23 kWh, 10 kW	€ 3,05	Frank Energie	26kWh 21kWh
91	JolPe	20 kWh, 10 kW	€ 3,04	Frank Energie	24kWh 19kWh
92	Bram Buysers	24 kWh, 10 kW	€ 3,02	Frank Energie	26kWh 20kWh
93	Jappa	15 kWh, 5 kW	€ 3,01	Frank Energie	45kWh 28kWh
94	www.EnergieBatterij.com	24 kWh, 8 kW	€ 3,00	Frank Energie	25kWh 19kWh
95	MYESS	23 kWh, 10 kW	€ 2,99	Frank Energie	25kWh 21kWh
96	skaafsmapower	23 kWh, 10 kW	€ 2,98	Frank Energie	28kWh 17kWh
97	sanderdelta	23 kWh, 5 kW	€ 2,94	Frank Energie	30kWh 16kWh
98	Spark11	19 kWh, 10 kW	€ 2,94	Frank Energie	28kWh 16kWh
99	Martijn Doornenbal	21 kWh, 11 kW	€ 2,88	Frank Energie	34kWh 18kWh
100	mehul.thathagar	15 kWh, 10 kW	€ 2,87	Frank Energie	22kWh 20kWh
101	Ennovy	23 kWh, 10 kW	€ 2,84	Frank Energie	30kWh 17kWh
102	Kuitema	19 kWh, 10 kW	€ 2,83	Frank Energie	24kWh 21kWh
103	Turbosmurf	21 kWh, 12 kW	€ 2,82	Frank Energie	85kWh 37kWh
104	andotten	25 kWh, 10 kW	€ 2,80	Frank Energie	24kWh 25kWh
105	bb31	19 kWh, 10 kW	€ 2,77	Frank Energie	24kWh 18kWh
106	Eeknhof	19 kWh, 10 kW	€ 2,76	Frank Energie	24kWh 21kWh
107	MK62	23 kWh, 10 kW	€ 2,76	Frank Energie	24kWh 19kWh
108	ralfvankempen	11 kWh, 10 kW	€ 2,75	Frank Energie	22kWh 20kWh
109	MalphaESS	8 kWh, 10 kW	€ 2,73	Frank Energie	10kWh 9kWh
110	NortCivESS	32 kWh, 15 kW	€ 2,72	Frank Energie	18kWh 14kWh
111	Ger&Syl 🪫🔋🪫🔋	15 kWh, 10 kW	€ 2,71	Frank Energie	21kWh 18kWh
112	okeeris96	19 kWh, 10 kW	€ 2,67	Frank Energie	22kWh 17kWh
113	patrickB	19 kWh, 10 kW	€ 2,67	Frank Energie	24kWh 19kWh
114	WijnenHJC	20 kWh, 10 kW	€ 2,67	Frank Energie	21kWh 21kWh
115	Pietertje085	19 kWh, 10 kW	€ 2,66	Frank Energie	24kWh 19kWh
116	Walnoot	19 kWh, 10 kW	€ 2,66	Frank Energie	23kWh 21kWh
117	Pallieter	16 kWh, 10 kW	€ 2,65	Frank Energie	20kWh 17kWh
118	BRAINman1974	21 kWh, 10 kW	€ 2,61	Frank Energie	25kWh 25kWh
119	Henkfox	16 kWh, 10 kW	€ 2,60	Frank Energie	25kWh 14kWh
120	Breedveld Home	18 kWh, 9 kW	€ 2,58	Frank Energie	21kWh 16kWh
121	Lisa	10 kWh, 5 kW	€ 2,57	Frank Energie	13kWh 12kWh
122	##Ruit71##	10 kWh, 3 kW	€ 2,57	Frank Energie	4kWh 7kWh
123	joklein	19 kWh, 10 kW	€ 2,55	Frank Energie	25kWh 22kWh
124	jove	16 kWh, 8 kW	€ 2,55	Frank Energie	26kWh 13kWh
125	Martijn	16 kWh, 8 kW	€ 2,52	Frank Energie	23kWh 13kWh
126	NLTV	16 kWh, 12 kW	€ 2,52	Frank Energie	19kWh 17kWh
127	Peter_Kr	15 kWh, 10 kW	€ 2,49	Frank Energie	23kWh 13kWh
128	📈📉Essers📈📉	15 kWh, 10 kW	€ 2,49	Frank Energie	25kWh 12kWh
129	GerardL	19 kWh, 10 kW	€ 2,42	Frank Energie	23kWh 20kWh
130	Siggy	18 kWh, 5 kW	€ 2,37	Frank Energie	20kWh 16kWh
131	🪫🔋 Dennis-Almere 🔋🪫	15 kWh, 10 kW	€ 2,37	Frank Energie	22kWh 12kWh
132	😊 stoomspaarbak	23 kWh, 10 kW	€ 2,34	Frank Energie	27kWh 25kWh
133	Jeffrey	11 kWh, 10 kW	€ 2,24	Frank Energie	18kWh 17kWh
134	martinisoft	15 kWh, 5 kW	€ 2,24	Frank Energie	65kWh 34kWh
135	N53E006	18 kWh, 5 kW	€ 2,24	Frank Energie	22kWh 11kWh
136	CXTechniek_nl	15 kWh, 10 kW	€ 2,24	Frank Energie	23kWh 13kWh
137	Batterijtje	16 kWh, 8 kW	€ 2,23	Frank Energie	24kWh 12kWh
138	Dennis25	15 kWh, 5 kW	€ 2,23	Frank Energie	55kWh 41kWh
139	bergsmit	29 kWh, 14 kW	€ 2,21	Frank Energie	45kWh 62kWh
140	aadpors	19 kWh, 10 kW	€ 2,20	Frank Energie	21kWh 21kWh
141	Solshare x VeldDuurzaam	97 kWh, 30 kW	€ 2,20	Frank Energie	26kWh 26kWh
142	Cootje22	21 kWh, 10 kW	€ 2,18	Frank Energie	24kWh 23kWh
143	gaffert	19 kWh, 10 kW	€ 2,13	Frank Energie	21kWh 15kWh
144	HomeMADEPower	21 kWh, 10 kW	€ 2,13	Frank Energie	23kWh 22kWh
145	JB	15 kWh, 5 kW	€ 2,11	Frank Energie	22kWh 12kWh
146	Midas power	15 kWh, 5 kW	€ 2,09	Frank Energie	19kWh 15kWh
147	SveaSchiedam	23 kWh, 8 kW	€ 2,07	Frank Energie	20kWh 21kWh
148	ruud82	9 kWh, 5 kW	€ 2,07	Frank Energie	17kWh 15kWh
149	Benedenveer	21 kWh, 10 kW	€ 2,06	Frank Energie	26kWh 25kWh
150	lierep	11 kWh, 10 kW	€ 2,04	Frank Energie	18kWh 15kWh
151	BatDH	20 kWh, 10 kW	€ 2,02	Frank Energie	20kWh 20kWh
152	Uijltje	11 kWh, 10 kW	€ 1,98	Frank Energie	15kWh 15kWh
153	RHTA1978	19 kWh, 5 kW	€ 1,97	Frank Energie	20kWh 15kWh
154	Lefteye	21 kWh, 10 kW	€ 1,94	Frank Energie	18kWh 21kWh
155	knutselwout	11 kWh, 10 kW	€ 1,92	Frank Energie	19kWh 10kWh
156	arosenba	11 kWh, 10 kW	€ 1,91	Frank Energie	16kWh 11kWh
157	Coret	20 kWh, 10 kW	€ 1,91	Frank Energie	21kWh 20kWh
158	Jan vD	20 kWh, 10 kW	€ 1,91	Zonneplan	41kWh 28kWh
159	Fledder	16 kWh, 5 kW	€ 1,90	Frank Energie	15kWh 12kWh
160	McPeet	15 kWh, 10 kW	€ 1,90	Frank Energie	19kWh 15kWh
161	Gerskrupper	18 kWh, 10 kW	€ 1,89	Frank Energie	20kWh 15kWh
162	ClubSix	20 kWh, 3 kW	€ 1,83	Frank Energie	37kWh 17kWh
163	awjnijholt	5 kWh, 2 kW	€ 1,78	Frank Energie	6kWh 6kWh
164	Marinus	18 kWh, 10 kW	€ 1,74	Frank Energie	30kWh 30kWh
165	PeterB56	11 kWh, 10 kW	€ 1,73	Frank Energie	16kWh 9kWh
166	artifia1	16 kWh, 5 kW	€ 1,72	Frank Energie	17kWh 13kWh
167	Capuchinos	10 kWh, 8 kW	€ 1,71	Frank Energie	16kWh 13kWh
168	Le Blanc	18 kWh, 5 kW	€ 1,71	Frank Energie	20kWh 20kWh
169	Joske G	20 kWh, 10 kW	€ 1,69	Zonneplan
170	kaassouffl3	18 kWh, 3 kW	€ 1,68	Frank Energie	15kWh 19kWh
171	Nico Weesjes	23 kWh, 5 kW	€ 1,67	Frank Energie	16kWh 16kWh
172	RensMatthews	11 kWh, 10 kW	€ 1,67	Frank Energie	16kWh 9kWh
173	Joilpow	20 kWh, 11 kW	€ 1,66	Zonneplan	30kWh 25kWh
174	Hofland	11 kWh, 5 kW	€ 1,65	Frank Energie	17kWh 8kWh
175	Karel	10 kWh, 5 kW	€ 1,65	Frank Energie	13kWh 9kWh
176	sylvesterponten	15 kWh, 12 kW	€ 1,65	Frank Energie	23kWh 36kWh
177	BatBrP	14 kWh, 5 kW	€ 1,62	Frank Energie	16kWh 8kWh
178	RRuffneck	11 kWh, 5 kW	€ 1,61	Frank Energie	15kWh 12kWh
179	Wmo92	15 kWh, 5 kW	€ 1,60	Frank Energie	17kWh 6kWh
180	DoubleUM1976	10 kWh, 3 kW	€ 1,56	Frank Energie	29kWh 15kWh
181	TijnOnlijn	10 kWh, 5 kW	€ 1,56	Frank Energie	13kWh 10kWh
182	Rens	5 kWh, 2 kW	€ 1,55	Frank Energie	5kWh 6kWh
183	astérix	15 kWh, 9 kW	€ 1,51	Frank Energie	17kWh 17kWh
184	Patrickd	10 kWh, 3 kW	€ 1,50	Frank Energie	24kWh 17kWh
185	BPAvD	10 kWh, 4 kW	€ 1,48	Frank Energie	12kWh 10kWh
186	GerardV	20 kWh, 10 kW	€ 1,46	Frank Energie	20kWh 13kWh
187	Sjoerd113	9 kWh, 5 kW	€ 1,44	Frank Energie	13kWh 7kWh
188	Zuidwijk	20 kWh, 10 kW	€ 1,42	Zonneplan
189	jongejaa52	11 kWh, 5 kW	€ 1,42	Frank Energie	14kWh 12kWh
190	WDujardin	18 kWh, 10 kW	€ 1,40	Frank Energie	17kWh 17kWh
191	JWMolewijk	11 kWh, 5 kW	€ 1,39	Frank Energie	22kWh 18kWh
192	KiloWatje	11 kWh, 6 kW	€ 1,38	Frank Energie	15kWh 20kWh
193	MaikSassen	8 kWh, 8 kW	€ 1,36	Frank Energie	11kWh 9kWh
194	Harley	8 kWh, 5 kW	€ 1,34	Frank Energie	11kWh 9kWh
195	Herender	24 kWh, 12 kW	€ 1,34	Frank Energie	17kWh 12kWh
196	Roekeloos	8 kWh, 5 kW	€ 1,33	Frank Energie	9kWh 6kWh
197	Batterij in Twente	20 kWh, 10 kW	€ 1,32	Frank Energie	37kWh 26kWh
198	BobS	23 kWh, 10 kW	€ 1,31	Frank Energie	19kWh 8kWh
199	Wilfreds AlphaESS	15 kWh, 5 kW	€ 1,31	Frank Energie	13kWh 12kWh
200	Bjalena	15 kWh, 5 kW	€ 1,20	Frank Energie	7kWh 9kWh
201	HerrJP	10 kWh, 8 kW	€ 1,13	Frank Energie	15kWh 15kWh
202	reminder	30 kWh, 12 kW	€ 1,11	Frank Energie	14kWh 30kWh
203	Thx	10 kWh, 5 kW	€ 1,10	Frank Energie	11kWh 6kWh
204	Wervel	21 kWh, 10 kW	€ 1,09	Frank Energie	52kWh 51kWh
205	Mr.Blonde	10 kWh, 3 kW	€ 1,08	Frank Energie	22kWh 18kWh
206	DDT2025	21 kWh, 10 kW	€ 1,06	Frank Energie	21kWh 22kWh
207	dafleur	9 kWh, 5 kW	€ 1,00	Frank Energie	13kWh 7kWh
208	Reijer	9 kWh, 5 kW	€ 0,98	Frank Energie	11kWh 4kWh
209	Miezie	18 kWh, 5 kW	€ 0,85	Frank Energie	15kWh 21kWh
210	jhut	5 kWh, 2 kW	€ 0,83	Frank Energie	8kWh 4kWh
211	Ppm	10 kWh, 5 kW	€ 0,79	Frank Energie	9kWh 11kWh
212	Gejakem	20 kWh, 5 kW	€ 0,76	Frank Energie	10kWh 15kWh
213	Voogel	4 kWh, 2 kW	€ 0,59	Frank Energie	5kWh 4kWh
214	jt4qq0e0	5 kWh, 2 kW	€ 0,56	Frank Energie	7kWh 3kWh
215	Theun	18 kWh, 10 kW	€ 0,52	Frank Energie	34kWh 34kWh
216	Vosco68	16 kWh, 8 kW	€ 0,45	Frank Energie	13kWh 2kWh
217	janhakkie	5 kWh, 4 kW	€ 0,42	Frank Energie	5kWh 2kWh
218	leonardhoek	15 kWh, 10 kW	€ 0,02	Frank Energie
219	leon	11 kWh, 10 kW	€ 0,00	Frank Energie	5kWh 5kWh
220	wattage	10 kWh, 5 kW	€ 0,00	Frank Energie	3kWh 12kWh
221	mbnn	8 kWh, 8 kW	€ -0,31	Frank Energie	6kWh 3kWh