I have multiple 200W portable solar panels which I use for camping and weekend RV trips.
So in this article, I’ll let you know how much power you can expect from a 200-watt solar panel (according to your location). And also what can you power with a 200W solar panel
In Short, a 200W solar panel can run a medium size fridge, LED light bulbs, TV, Ceiling fan, laptops, smartphones, and other small appliances that consume less than 140-150 watts of power. But You can’t run a microwave oven, toaster, or other heavy machines.
There are many factors involved in what a 200W solar panel can run.
So now I’ll share with you the formulas and the information about how much power a 200w solar panel can generate.
So you can calculate yourself what you can power with your 200W solar panel.
How Much Power Will 200-Watt Solar Panel Produce?
Under ideal conditions, a 200-watt solar panel will produce about 200 watts of power output, but it’s rarely going to happen in the real world.
On average, a 200-watt solar panel will have about 160-180 watts of power output during peak sun hour.
This is what is receive from my Renogy 200-watt portable solar panel
- 1 Peak Sun Hour = 1000 watts per meter square sunlight intensity (1Kw/m2)
Solar panels are designed to produce their rated power under standard test conditions (STC).
This includes 1kW/m2 of solar irradiance hitting the solar cells, 25oC temperature, and no wind
In the real world, we can’t control the temperature and wind factor. But we can calculate the number of solar irradiances our location receives
Which in simple words called peak sun hours (follow the steps given below to calculate the total peak sun hours)
- Power output: is measured in watts (W)
- Energy output: is measured in watt-hours (Wh)
How Much Total Energy Will 200 Watt Solar Panel Produce?
In the real world, a 200-watt solar panel will produce about 700-800 watt-hours of electricity or energy per day and 21-24kWh per month. considering 5 hours of peak sunlight.
200 Watt Solar Panel How Many Amps?
A 12v 200-watt solar panel will produce 10.5 amps and 18.5 volts. but a 24v 200-watt solar panel will produce 5.2 amps and 38 volts under ideal conditions. (Amps = watts / volts)
Note! These numbers will fluctuate a lot because of the difference in sunlight intensity during the day. And also every brand will have the different numbers
Make sure to read the specs speed (usually located on the backside of every solar panel). Look for max operating current output (Imp or Impp)
All the numbers mentioned above are based on DC output
How many kWh can a 200-watt solar panel produce in a day? – Video
AC vs DC Output
Solar panels produce power output in DC (direct current) or in simple words low voltage (12-48 volts)
But most of our household appliances are designed according to our grid voltage output (110-240 stable voltage)
So to convert DC output from solar panels we use an inverter.
But the sad news is that the solar inverters are not 100% efficient. Most of them are about 90% efficient.
This means there will be a 10% power loss when converting DC into AC.
In the real world, you can expect 650- 750 AC watt-hours per day from a 200-watt solar panel with 5 hours of peak sunlight
How To Calculate Peak Sun Hours?
Use this PV solar calculator to calculate the number of peak sun hours your location receives.
Step 1: Enter Address
Enter your complete address for a more accurate result or simply enter your city name
Step 2: Select Results
Now you can see the number of peak sun hours your location receives per day
As i live in Florida city we receive about on average 5.8 peak sun hours or 5.8kW/m2 of solar radiation per day (annually)
I would have to place my solar panels under sunlight for a whole day to get those 5.8 peak sun hours
The intensity of the sunlight will be different during the day.
For Example, the sunlight intensity will be much lower during the early morning and late evening hours. But will be higher during the noon and afternoon time.
What Will a 200 Watt Solar Panel Power? (Follow These Rules)
As we’ve discussed the estimated power output of a 200-watt solar panel, now let’s discuss some scenarios. And what rules you should follow before running any appliance on a 200w solar panel
When the battery is discharged at its recommended DoD limit your output load should not be higher than the AC output of your solar panel at that time
For Example, if your solar panels are only producing 150 Dc watts then you can only run a total of 130 watts of AC load on it.
If you have stored the power production of your 200-watt solar panel in the battery bank for a night or emergency use.
In this case, the power consumption of your output load should not be higher than the battery C-rating or discharge rate.
Every battery type has a different rate of discharge. which you can check on your battery specs sheet mentioned as c-ratings or max discharge rate
This is not related to your solar panels it will help to maintain the battery lifespan
I have discussed this topic in detail, i would recommend you to read it if you’re a noob in the solar world
Must Read: What Size Battery for 200W Solar Panel
List Of Appliances A 200-watt Solar Panel Can Run
- LED Bulb (10W)
- Ceiling Fan (10-50W)
- laptop (25W)
- TV (100W)
- Phone Charger (6W)
- WiFi Router (10-20W)
- Mini Fridge (80-100W)
Is 200 Watt Solar Panel Enough?
A 200-watt solar panel system would be enough for short RV trips or camping. You can run most of the basic appliances with a 200-watt solar panel and a 100Ah battery
Calculate the total energy consumption of your appliances that you need to run on solar power. If the daily total consumption is between 700-800 watts then having a 200w solar panel you’d be enough for you.
200w solar panel with 12V will fully charge a 100Ah battery in 6 peak sun hours.
You can run any sized fridge for a few hours on a 200-watt solar panel with the help of a battery bank. But
a 200-watt solar panel can charge a 60ah lithium (fully discharged) or 120Ah lead-acid (50% discharge) battery per day.