"We're leading that championship and from my perspective, I'm just going to do the best I can.
"I'll be supporting my teammate Robin [Frijns] while trying to get as many points as I can over the two races. I'll just have to see where we end up at the end of the weekend.
"There's not really been any expectations of winning the championship this season as it's kind of a learning year.
"We have exceeded expectations to be this close to the championship lead with two races to go."
He has good form heading into this weekend's races having picked up two podiums and a top five finish so far. Having this momentum will serve Cassidy well, and if he continues to be consistent, further glory awaits.
"Being this close to the series lead in my first season means there's not a lot of pressure this weekend.
"Consistency has been tough for everyone this year because the championship is close now in terms of performance you've got teams who are strong at certain tracks and not others. Added to that, the qualifying group system makes everything uncertain.
"The racing is pretty rough and tough so scoring each time you go out is difficult. At the beginning of the season, we were fast, but didn't get the results I expected and now it's almost the opposite — an interesting trend.
"We've been putting race days together lately and it's showing in the results," said Cassidy.
The driver line-up doesn't make winning a championship easy in Formula E.
The majority of the field has either won championships in various categories in the past, spent time in Formula One, or some other world championship.
Drivers get selected to race for the various teams on the amount of talent they have and not on the amount of money they can bring to a team.
"It's awesome that everyone on the grid has had great success under their belts. To get into the category in this day and age is incredible and I'm lucky that I came from one professional grid into another," said Cassidy.
"I have really enjoyed the season so far and the category is fantastic. I enjoy the technical side of motorsport and developing the car and bringing my knowledge from Japan has helped the team.
"The cars are very different to ones I've raced in the past where I'm used to high downforce and high grip. This category is just as challenging as you've got massive torque from the electric motor and not a lot of grip or downforce.
"Some of the stuff is more complicated than Formula One," he said.
The Berlin track has unique challenges, especially when using the reverse layout. As always, qualifying will be testing and very important. On the plus side, there several places to pass so having a fast car is vital.
"It'll be an interesting weekend and there are a lot of fast cars. A lot of guys did six races here last season, while it's all new to me. That'll be a bit of a challenge, but I've been fast at new tracks this year so ultimately it should be okay," said Cassidy.