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Solar PV and battery optimization

Describe how the model works, and how it could be improved.

Optimise the PV array size for the ‘stay at home’ load and no battery.
Add a 14kWh Tesla Powerwall (enter “14” in the battery size cell).
Re-optimise the PV array, then find what the battery needs to cost for this to be a sensible investment.
Repeat this process for different demand profiles, battery sizes, feed in tariffs, costs of capital and any other input assumptions you’d like to test. What do you learn about the range of costs that batteries need to get to?

Sample Solution

also going boating. This past summer, I finally was able to go SCUBA diving which I’ve dreamed of since I was younger. I have a great appreciation for the natural beauty of the seas and the amazingly unique species that live in and around it. When I found out about the bleaching of coral that was happening because of rising temperature, I was greatly upset and concerned. Many of the creatures that I grew up loving were losing their incredibly specialized habitat. I believe this is a huge problem for our society and I wondered what I could do to solve this problem. Over this past summer, I went SCUBA diving in Key Largo where I earned my certification. My dad, who used to be a SCUBA instructor told me about how the reefs we visited, while still amazing, had shrunk in size and lost a lot of biodiversity. Even I could tell that it wasn’t quite right. There coral reefs that were once bright colors of blue, pink, yellow and many other colors were turning dull and colorless. There were only a few species of coral that were still prospering, and many skeletons of coral in the sand. Under the water there is a whole new world that many people aren’t able to discover and therefore don’t care for and completely ignore. This struck a chord in me and I researched why this was happening. I found out that the main reason this was occurring was the increase in ocean temperatures. I also found out that it wasn’t just a Florida problem, but it was also destroying the Great Barrier Reef, an absolute dream destination for me. Without action, this would eventually happen to the whole ocean and it would be impossible to ever get back to normal. I believe that protecting the oceans and the animals in it should be one of humanities top priorities. Many of the world’s people live off a strictly pescatarian diet. If we lose the coral reefs, it can lead to starvation for many people. Also, there are thousands of small businesses all over the world that rely on reefs and are already feeling the effects of bleaching. I believe that each person has a natural duty to leave the Earth the same, if not, better than it was before we were born. I know that one important step to solving this problem is awareness. Many people live their lives completely unaware of what is happening in the world around them. It is important to let them know that the reefs are being destroyed, and how that will affect their lives or other’s. Another step I would take to solve this problem is to encourage people t

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