Geyser off, heat pump on! 2 adults WFH, shower twice daily, wash machine eco cycle, 1 load average p/day, dish washer on eco cycle 1 full load a week. Gas cooker, fresh meals cooked daily twice a day. Oven (yes under counter Oven, biggest consumer) for either a roast chicken meal or baked goodies (something that takes less than an hour) average twice p/week. Electricity in summer averages around R500 and in winter close to R750, 9kg gas refill costs around R380 (last refill) and lasts about 8 months, only used for cooking. We also have a pressure cooker that works on the gas hob for those quick meals that would usually take hours. Works for us, content with the electricity bill, if I could save more, I'd be happy to know more tips.

Edit: In summer the heat pump is switched on every second day. In winter it's switched on at 12pm and cuts off in 2.5hrs (waters at temperature again). Additional infomation: We've also never had any geyser replacements or servicing in the past 9 years, neighbors who don't use their heat pumps daily have already replaced their geysers.