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You can choose the ideal PV system for you and your family if you focus on a few key elements.
Many individuals decide to pick a solar system because of the high tax deductions (at 50% for those who install it during this year) and inexpensive costs (at 70% less). Consequently, you may make a smart decision that is both inexpensive and ecologically friendly.
Once the cost has been repaid, you will have an intriguing net savings, which for a user using 4,000 kWh annually may be more than 700 euros and for a user using 2,700 kWh annually is about 450–500 euros.
But there are a few things to know before selecting to install it.
We have made the decision to condense the tiny checks you need to do for the best choice into 4 points to assist you juggle the choice as best you can. You won't regret your decision if you adhere to them.
Let's begin:
First, the size.
First, the size.
The most crucial decision is how big to make the system so that it fits your usage. In actuality, it is advantageous for the plant not to create more energy than it uses since the excess energy put into the grid would be compensated, yes, but at lower rates than those paid for the kWh produced up until consumption is met.
If you live where there is more sun, a smaller, cheaper system will be enough because the system will be "tailor-made" for you.
In Cagliari, for instance, a household of four using 4,000 kWh annually should choose a system of roughly 2.75 kWp, but the same user in Turin would choose a 3.5 kWp system.
2. How much will it generate annually?
2. How much will it generate annually?
The designer will consider several elements in addition to latitude and available solar radiation when predicting the plant's output.
You should check, for instance, that your roof is exactly south-facing and that you can place the modules at the proper angle.
Annual productivity is reduced by 20% when there is a 90° departure to the east or west. Your system will function effectively if the roof pitch ranges from 10° to 30°.
Your available space is a last crucial element. You must select high-efficiency modules that produce the same amount of energy with less area if your roof is cramped.
3. Required Future.
3. Required Future.
Always consider your anticipated future power use when picking your system, such as the addition of air conditioners or induction cooktops.
Combining photovoltaics with the installation of electric heat pumps could be a nice idea. With tremendous ease for individuals who generate their own electricity for free using solar power, this highly effective application switches the usage for heating from the gas bill to the electric cost.
4. What will you do with it?
4. What will you do with it?
Maximizing self-consumption, or being able to consume as much of the energy generated by the system directly without sending it through the grid, is another element that raises the convenience of your solar system.
In reality, energy utilized directly substitutes energy drawn from the grid and is practical since you don't have to pay taxes or marketing expenses associated with each kilowatt-hour.
Since we don't utilize enough energy during the day and must purchase extra from the grid in the evening, it is much more practical to use all the solar energy generated locally than than putting it into the grid.
This is true even when a portion of the fees are reimbursed via the on-site exchange system, which serves as a sort of virtual battery.
However, many individuals choose sophisticated storage systems that are achieving highly exciting milestones instead of waiting for the on-site exchange mechanism to compensate them for the energy they have sent into the grid.
Additionally, the deregulation of the power market is imminent, which, as reported by consumer advocacy groups, has unhappily only led to price hikes.
As a result, a lot of individuals are learning more. Stopping the waste of resources that could be kept in one's pocketbook is what is desired.
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