The Kölner Haie play their home games in the DEL and the German Cup (DEB-Pokal) at the Lanxess Arena, which opened in 1998, located in the district Deutz.

With strong players like Detlef Langemann, Wilhelm Hospelt, and player-manager Günter Peter, the team degraded opponents en route to winning the Oberliga, while coached by Ondrej Bendik.

At the beginning of the season in 1976, team president Rentergent submitted his resignation after he'd come under fire due to supposed payments to KEC's amateur players.

To add to this, in the middle of the season, head coach Bendík was dismissed because of persistent failure – the team's attendance strongly decreased, leading to a financial deficit for KEC.

Strangely in the obligation: multiple times, Jochem Erlemann had sent employees with money to negotiate with Kühnhackl to Landshut which achieved, nevertheless, no success.

However, even as had set up of the KEC sportily in the top flight of the league, tax additional payments and debts became known at the rate of more than two million DM.

The season, nevertheless, was overshadowed by the foul of the inhabitant of Mannheim Roy Roedger who hit the KEC forward Steve McNeill with the racquet point in the right eye.

Moreover, the shark forward Peter Schiller provided for sensation, when he in the European cup play against the Bolzano HC which the KEC with 6:1 won, went from boredom with the puck behind own gate and made push-ups.

[8] The season 1985/86, the first playing time in which the former shark player Hardy Nilsson stood as a trainer in the Cologne gang became one of the most successful ones of the association history for the KEC.

[10] A year later made the sharks to the Titelhattrick perfect when they won the fifth determining play with 4:1 in the finale of the Playoffs against the sports alliance of Rosenheim.

When then the seasonal start failed, trainer Nilsson came under fire and after the elimination in the quarterfinal against Mannheim, a struggle for power began behind the scenery which culminated in resignations of several board members.

The financial problems of the sharks still worsened when president suffered landing shortly after end of the season a cardiac infarction and fell in the coma.

The vice president anew appointed shortly before and manager collected subsequently nearly seven million DM of debts, player's salaries were not partially paid any more.

In spite of the blind relations in the board of directors qualified of the KEC as a fifth certainly for the playoffs where one was defeated in the semi-final by the later master Hedos München.

[13] After the foundation of the Deutsche Eishockey Liga (DEL), in which for the first time associations might also line up as a GmbHs, Heinz Hermann Göttsch assumed the office of the main companion and that of the chairman of the board at the Cologne hockey society founded anew "The sharks" Ltd. By extensive consolidation measures and donation actions of fans the sharks succeeded in getting some high-carat professionals to the Rhine.

A year later, also the team of the sharks had strongly been changed by the so-called Bosman decision, one was less successful in the European founded anew hockey league (EHL) and already retired in the group phase.

Nevertheless, the sharks, after a streaky qualifying round with a lot of restlessness in the team and in the sphere as a third in the final gone, were to the Landshutern put under and won no play.

Already during the preceding season the engagement of the coach of the national team at that time was made perfect what entailed that Rich Chernomaz in spite of the championship title no future had in Cologne.

However, from many injuries in the course of the season afflicted sharks could not counterhold in the quarter final series against Frankfurt Lions and failed because of the later German master.

In the Play-offs the sharks had to come too to themselves against one on account of the Lockouts with NHL players reinforced team of ERC Ingolstadt in the determining seventh play in the Cologne arena 2:5 hit give.

After the sharks had finished the qualifying round on place 5 and had switched off in the quarterfinal in only four plays Nürnberg Ice Tigers, the half final series followed against the DEG.

In the fourth play the sharks dated back shortly before end when Bill Lindsay allowed the lengthening in which he also marked the victory hit.

In the first year under the new trainer Doug Mason the inhabitants of Cologne played one of heights and depths stamped qualifying round, booked at the end, however, the fifth place and reached thus to 26.

[18] During the summer break in 2008 there was with the KEC some restlessness, as a forward Ivan Čiernik launched a change in the KHL to HK Sibir Nowosibirsk, because he had been criticised supposedly by trainer Doug Mason.

As a substitute with Čiernik the NHL ex-serviceman Mike Johnson whose contract was dissolved, nevertheless, already in December 2008 again was obliged thanks to the contacts by Todd Warriner.

[22] Nearly everyday announcements in the press about a forthcoming "way to the district court" or failed negotiations with potential new sponsors allowed to cook the rumour kitchen.

After the LanxessArena had met the inhabitants of Cologne with a new hire contract,[23] could announce Thomas Eichin on 31 May that one has submitted in time the licence application to the DEL.

Nevertheless, of drawing a deep breath was not to be thought yet, because a finance gap of about one million euros stood still in the space which it was a matter to close within the five-day extension put away by the DEL.

In spite of 15 points in the meantime Remains on the last Play out of vision place the sharks reached the final by a 1:0 victory in Iserlohn on the matchday before last.

On Wednesday, 3 October 2018, the Sharks played a friendly exhibition game against the Edmonton Oilers of the National Hockey League which they lost by a score of 4–3 in overtime.