Examples of lightning

Peter's spark starts small...

...but carries enough power to move Tuko off his feet.
(Four Months Later...)

Peter stretched forth his hand...

...disabling an Irish thug at the Wandering Rocks and sends him back a few feet.
(Lizards)

Peter successfully produces electricity, after saying Caitlin's name.
(Petrified Lightning)

Elle uses her power to generate lightning...

...on a shipping container...

...in Cork, Ireland.
(Fight or Flight)

Elle welds the lock of Wandering Rocks Pub...

...then turns around, and sends a blast of electric energy towards Ricky.
(Fight or Flight)

In Montreal, Peter hears a noise behind him, and shoots Adam Monroe in the hand.
(Out of Time)

At a New York hospital, Elle takes Peter out with a blast of electricity.
(Four Months Ago...)

At Primatech Research, Elle continues to use her powers...

...to torment Peter...

...much to her own amusement.
(Four Months Ago...)

Elle sedates Adam by sending a blast of electrical energy his way.
(Four Months Ago...)

In order to stop Peter from escaping, Elle sends a bolt of electricity towards him...

...setting his clothing ablaze.
(Four Months Ago...)

Elle aims at a glass...

...and destroys it with pinpoint precision.
(Cautionary Tales)

Elle prepares to zap Noah.
(Cautionary Tales)

Elle makes a foolish choice...

...in using electricity in water...

...resulting in her electrocuting herself.
(Cautionary Tales)

Elle unloads a ball of eletricity at West.
(Cautionary Tales)

Elle manifests her power for some revenge on Noah.
(Cautionary Tales)

Peter manifests a ball of electricity for defense against Hiro...

...and raises his hand as a final warning.
(Truth & Consequences)

Peter brings out electricity which conducts on Hiro's sword...

...knocking Hiro out.
(Powerless)

Peter unleashes lightning...

...to destroy a fusebox.
(Powerless)

Elle threatens Noah with electricity...

...but Noah isn't threatened.
(Powerless)

Elle aims lightning...

...at Sylar...

...but misses him....

...she then manifests her power a second time...

...releases it...

...and hits Sylar dead-center.
(Powerless)

To try to silence Mr. Muggles, Elle begins charging electricity...

...but, the sprinklers are turned on and Elle shocks herself.
(Elle's First Assignment, Part 1)

Elle shows Zach her lightning...

...and prepares to zap him.
(Elle's First Assignment, Part 2)

Elle introduces herself and her ability to Matt Neuenberg after he runs off-stage during his school's talent show...

...and after convincing Matt to come with her, she electrocutes the stage and sets it on fire.
(The Man with Too Much Brains)

To try and console Matt in his Company cell, Elle brings him a cake and lights the candles...

...then gives him an electric kiss on the cheek.
(The Man with Too Much Brains)

Elle zaps Matt on the nose.
(Hana and Drucker's Plot Discovered)

Under her father's orders, Elle decimates the Company's mainframe computer.
(The End of Hana and Drucker)

Later, she gives Matt a zap to his heart to resuscitate him.
(The End of Hana and Drucker)

Elle introduces herself to Donna Dunlap.
(Donna's Big Date, Part 1)

Elle confronts Echo by shooting a lightning bolt at a nearby tree...

...and threatens him by showing her power
(Going Postal).

Elle attacks Echo with another bolt...

...but he manages to convert the electrical discharge into sound waves.
(Going Postal)

Elle discharges a blast of electricity when she is in intense pain. (The Butterfly Effect)