Analysis in Action!2018-09-07T02:12:29+00:00

Analysis in Action!

The following is a worked example of an analysis conducted for one of our customers.

To set the scene, This property in Queensland houses a typical young Australian family with two children and two adults.

During the energy assessment undertaken at the time we installed our sensor it was determined that they have a swimming pool, gas hot water and airconditioning.

Normally a full analysis is conducted over a 3 month period, however, for illustration purposes we will consider a single 24 hour period (Midnight to Midnight)

Step 1:  What is using our power ?

In our first graph  we look at the relevant raw information provided to us by our sensor.

  • The BLUE line represents the total power consumption from the grid.
  • The RED line represents the power being consumed by the swimming pool sanitisation system.
  • The YELLOW line represents the average power consumption of airconditioning units.   (Air conditioners turn on and off, this is why we see a variable pattern.

Measuring things in “watts” is interesting but what we really care about is how much things cost and how much we can save.

Dragging the slider to the right will reveal the same information, this time measured in dollars (in GREY) with the customer’s current retailer.    The total cost of the day in question was around $6.13 ($552 / qtr) excluding supply charge.

In WattsIn Dollars

Step 2: Retailer comparison

By far the easiest way of saving money, quickly, is to change retailer to the most optimal for your specific lifestyle and consumption.

There are a myriad of organisations that will provide insight as to who the right retailer is so before we explore anything let us recommend a new retailer based on the existing information.

In the next graphs we see the original cost.   Dragging the slider to the right will reveal the cost with a new retailer.  In this instance this one change was responsible for a significant reduction due to the “pay on time” discount that is offered by the retailer.    A word of warning to our family – If they don’t pay their bill on time this change will cost them more!

  • The BLUE line represents the total power consumption
  • The GREY line represents their existing power cost
  • The YELLOW line represents their power cost with their new provider (When paid on time)
  • The RED line represents their bill if they pay just 1 day late!

Assuming the bill gets paid on time their bill for this day will be around $4.59 ($413 / qtr), representing a 25% reduction in their electricity costs.

If the bill payment is 1 day late, their bill for this day explodes to $573 / qtr, a 4% increase over their existing retailer.

For the rest of this example we will assume that our wonderful family always pay their bills on time!

Unfortunately, retailers change their pricing every few months, We will need to revisit this once a quarter to make sure this family is receiving the best possible deal.

New RetailerExisting Retailer

Okay, so that was easy, now what ?

Fuuzio provides information about what devices consume electricity within the home.   This provides us with the ability to undertake a “what if” analysis to further reduce the power bill.

We note that the swimming pool runs twice a day, in the morning, and in the afternoon.  There are two mechanisms that can be used to improve the cost of running the pool sanitisation system through Queensland tariffs.   The first is to move to “Time of Use” billing, the second involves changing the tariff to one that provides a lower rate off-peak (Tariff 33 or 31).

Our energy assessment has indicated that the meter the customer has will support Time of Use billing, but not Tariff 33 or 31.  Installation of tariff 33 or 31 will require an additional meter and work by an electrician.

The first graph shows what happens to our original power consumption profile if we move our swimming pool operation into the evening.

  • The BLUE line represents the total power consumption (before changing timing)
  • The RED line represents the total power consumption after we have moved the pool into the night time

Having done this we can now consider what might occur with different tariffs.   The second graph represents our new power bill using Time of Use billing.

  • The RED line represents the power bill with the new retailer (assuming we pay on time).
  • The GREEN line represents the power bill having switched to time of use billing.

Time of  Use billing charges a higher rate during peak times and a lower rate is charged during offpeak times.   Switching to time of use billing saves our customer an additional $25 per quarter bringing the power bill to around $390 / qtr.

(Whilst changing to Time of Use billing generally inexpensive, retailers may charge a fee to change it back again).

So what about Tariff 31/33 ?

Tariff 31 and 33 were considered but not recommended because it would have taken 5 years to repay the $200 installation cost.

AfterBefore
Time of Use TariffStandard Tariff

We have saved almost $700 per annum so far, what is next ?

The next simple saving is easy to recommend, it is a lot harder to achieve.

On the graph to the left:

  • The BLUE line represents the total consumption/cost (having made the alterations already described above)
  • The RED line represents the “base load” or “always on” power that is consumed 24 hours a day, 7 days a week.

This represents over staggering 30% (or around $155/qtr) of the bill for electricity.  Through regular reporting and visualisation changes to household behaviour to reduce their “always on” consumption by 50%.

If they can reduce this by 50% they will save around $70 per quarter.

Drag the slider to the right to discover what happens to our cost (in GREEN) when we reduce the “Always On” consumption by 50%.

This customer could reduce the cost of electricity from $550/qtr to around $250/qtr – a saving of $1200  per year (or  a staggering 54%).  Fuuzio will continue to monitor and advise of other opportunities to save.

CostConsumption

So.. How low can we go.

After completing our analysis for this customer we have recommended

  • Changing retailer.
  • Changing tariff.
  • Installing a 5kw solar system
  • Changing the swimming pool pump to a more efficient model
  • Reducing the “always on”

This last graph shows:

  • The existing power cost in RED
  • The new power cost in BLUE
  • The revenue generated from solar in GREEN

The total power bill will drop from around $2700 per year to around $300 per year (including connection charges).

$6000 investment (in pool pump and rooftop solar) will return over $2000 per year.

Fuuzio will continue to monitor the customer’s electricity, ensure they are receiving the benefit from their solar investment, provide insights into how they may further improve and keep an eye out for the best deals from retailers.

At Fuuzio, its all about empowering you.

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