30-100 kw – Cut the cost of your daytime electricity by up to 70%.

Business requiring these size systems usually pay $0.20-$0.30/kwh for daytime electricity.  Once they have installed a solar system they will be paying about $0.07-$0.08/kwh for daytime electricity.

This size system suits businesses such as Poultry Farms, Small-Medium Aged Care venues, large schools, car dealerships, medium retailers, and businesses with over 30 employees.

Systems up to 99.9kw qualify for the upfront discount of the Government Rebate known as STCs.  This is usually around 25%-30% of the total cost.  So, an important incentive whilst it is still available.

Approvals from Electricity network can usually be obtained within 4 weeks, as long as the switchboard is not so old or overloaded it requires upgrading.

This is why HCB Solar begins your process with us by analysing your bill (to determine what size system you need) and atechnical site inspection to ensure the site’s capacity for solar and any special requirements at your electrical switchboards.  That way, when we give you your quote, you know there will be no surprises or added costs later.

Materials procurement occurs in this 4 week period and approvals and materials commence once the deposit payment is received.

Once installation starts, HCB will have the system installed in 2-4 weeks.

Finally, within a week of the system installed, if meter changeover is required by the Electrical network authority, this occurs about one week after installation, by a specialist contractor, and then the system is operational.

So all up your system will be operational in 7 weeks for a 30kw and 9 weeks for a 100kw system.

40 kW Solar System Cost / Benefit Analysis

  1. You decide on a 39.9 kW system (140 x LG Electronic solar panels) and it costs you $77,805 out of pocket fully installed (after STC & excluding GST).
  2. Your business is in Newcastle where a 39.9 kW system produces on average 150.8 kWh per day. This assumes a north facing roof with no shade issues.
  3. The price you currently pay for electricity is approx $0.21/kWh.
  4. You use 70% of the energy your system generates during the day time and you therefore you export 30% to the grid.
  5. Yearly System production = 150.8 units (kWh) x 365 days = 55,050 kWh per year
  6. Yearly Solar consumption  = 55,050 units (kWh) x 0.7 = 38,535 kWh (70% Consumed) = 16,515 kWh (30% Exported)
  7. Yearly Benefit = (38,535 x $0.23) + (16,515 x $0.06) = $9,083
  • Cost $/kwh of solar over 25 year life of system = $0.06/kwh (compared to $0.21 /kwh for grid electricity)
  • Return on Investment = $9083/$77,805 x 100 = 11.8% per annum
  • Payback period = $77,805/$9083 = 8.6 years
  • And the price of this electricity will not go up!

99.75 kW Solar System Cost / Benefit Analysis

  1. You decide on a 99.75 kW system (350 x LG Electronic solar panels) and it costs you $184,515 out of pocket fully installed (after STC & excluding GST).
  2. Your business is in Newcastle where a 99.75 kW system produces on average 377 kWh per day. This assumes a north facing roof with no shade issues.
  3. The price you currently pay for electricity is approx $0.16/kWh.
  4. You use 70% of the energy your system generates during the day time and you therefore you export 30% to the grid.
  5. Yearly System production = 377 units (kWh) x 365 days = 137,625 kWh per year
  6. Yearly Solar consumption  = 137,625 units (kWh) x 0.7 = 96,338 kWh (70% Consumed) = 41,288 kWh (30% Exported)
  7. Yearly Benefit = (96,338 x $0.16) + (41,288 x $0.06) = $17,891
  • Cost $/kwh of solar over 25 year life of system = $0.05/kwh (compared to $0.23 /kwh for grid electricity)
  • Return on Investment = $17,891/$184.515 x 100 = 9.7% per annum
  • Payback period = $184,515/$17,891 = 10.3 years
  • And the price of this electricity will not go up!

30-100 kw Systems – Bill and System Size Guide

Assumptions:
$/kwh for daytime electricity, in this group range from $0.19 – $0.29/kwh.
We use an average price of $0.21 which excludes set charges that cannot be mitigated by solar.
 40% of total consumption is consumed in shoulder period or daylight sun producing hours.

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