Comparison of fossil-fuel with electric-only energy costs for spring
02 April 2021
In the last few years, our family have transitioned from fossil-fuel based energy to electric only. We have done this primarily to reduce our CO2 emissions, but it is interesting to also see the impact that the change has on energy costs.
The changes we made were for both transport and for heating. You can read more about this in earlier posts on conversion from gas central heating to heat-pump based central heating and also driving in an electric vehicle.
Pre-electric energy costs
Here are the costs for October 2018:
| Energy source - October 2018 | Supplier | Cost |
|---|---|---|
| Natural Gas | Genesis | $181 |
| Electricity | Flick Electric (lots of solar generation) | -$43 |
| Diesel (110 litres) | Fuel stations | $145 @ $1.32 / litre) |
| Total | $283 |
Post-electric energy costs
Here are the energy costs for October 2020:
| Energy source - October 2020 | Supplier | Cost |
|---|---|---|
| Electricity | Ecotricity | $194 |
| Total | $194 |
Summary
Ironically, the solar panels in 2018 made a substantial difference to the overall bill, with a $43 credit being applied for the excess electicity generation we exported to the grid. Without the solar panels, the difference would have been closer to $200 for the month of October.
The overall saving is around $89 per month on the electric-only solution.
Related posts
- My Tesla Powerwall Experience
- Review of the Mitsubushi Ecodan
- All about solar panels
- Four years of household energy costs and emissions
- Household energy costs comparison for winter
- Price Comparison of Electricity and Gas
- Energy efficiency after 1 week
- Conversion of gas central heating to electric
- Recording our carbon footprint at home
- Please don’t wait for the Politicians