Energy not required is the cheapest and cleanest energy there is and so ways to reduce consumption in the first place should always be part of system planning.
I think there is a corollary to this - how to shift discretionary loads to operate when energy production is available and/or to adjust loads so they adapt to the available solar production. In this way you make better use of the solar PV output when it is actually generated and thus may not need as much battery storage capacity. Arguably this is perhaps even more important given adding storage is expensive relative to adding solar PV.
On the energy consumption front, the big ticket items are those which involve using or moving heat, typically space heating and cooling and water heating. So these are the two areas which should take a significant portion of your focus.
For space heating and cooling the thermal performance of the home is the most important factor, and that's mostly about insulation and draft proofing but also about strategic shading or unshading as the case may be. For existing dwellings that's about a range of retrofit options for achieving better thermal performance of the ceiling, walls, windows and doors. For new builds it's about better design from the ground up.
Reverse cycle air source inverter heat pumps are very efficient ways to heat and cool relative to other methods. There are ground source systems as well but they tend to have more limited application and are very expensive.
For water heating, then it will depend on how your water is heated now, but the most efficient method is with a heat pump. Modern air source heat pump water heaters are very good and can reduce the electrical energy consumption to 1/4 of that a typical resistive element heating tank would use.
Then there are all the electrical appliances - modern fridges, TVs, computers all uses significantly less energy than they did even just 10 years ago. Recently I replaced a 12 year old TV (I sold the old one as it was still working just fine). The new one is same screen size, better resolution and uses just 25 W while the old one used 145 W!
If you do need to use a clothes dryer (as opposed to hanging clothes on a clothes line so the wind and sun can do the job for you for free) then again heat pump units are much more energy efficient.
So when the time comes to replace appliances, check the energy consumption ratings and make sure you choose wisely.
You already mentioned lighting, and it makes sense to replace with LEDs when it make sense to. Lots of options for that.
If you have a pool (the home we bought had one) then pumps are an example of devices with long duty cycles for which much energy saving can be made. I replaced an older single speed pump with a modern variable speed model. The new one uses about 6 kWh/day less energy than the old pump. That's a chunk of energy saved right there.
In the past six to years we have manage to reduce our average consumption by 22 kWh/day. It's never one big thing but a raft of things. This is our progress to date:
And we have much more to do. Our home has pretty terrible thermal performance. I upgraded ceiling insulation in one section but there is much more to do.
On the time of use front, we have also shifted discretionary consumption to daytime hours to take advantage of solar PV when it is produced. Pool pump is the most obvious one, but clothes washing (and if required the clothes dryer) are used in the daytime. Same for the dishwasher. Modern appliances have programmable start timers or delays so they can be set ready to start once the sun is higher in the sky.
My latest addition is a smart power diverter for our hot water storage tank. It monitors the available solar PV and adjusts the amount of power sent to the water tank's resistive heating element so that it avoids importing from the grid. The element is rated at 3.6 kW but if there is only 1 kW of solar PV energy being generated in excess of household loads then it will send no more than 1 kW to the heating element.
As more or less excess solar PV is available, it adjusts the power sent to the water heater up and down accordingly. The tank takes longer to reheat, but it will only use available solar PV to do the job. It is also smart enough to know that if it is unable to complete a heating cycle with solar PV by day's end, then it will supplement the energy deficit by using our dedicated off-peak power supply when it becomes available, usually around midnight.
Our imports from the grid are down 31 kWh/day:
I expect the solar PV diverter will see another 4 kWh/day shaved off our grid imports by preferentially using our solar PV instead of the grid.