Kraftbørsen påvirker markedsprisen.

Because Norwegian normally writes compound nouns as a single word.

So:

• kraft = power, energy, electricity
• børs = exchange, market
• kraftbørs = power exchange / electricity exchange
• kraftbørsen = the power exchange

This is very common in Norwegian. Where English often uses two words, Norwegian often prefers one compound word.

The ending -en is the definite article attached to the noun, like English the.

So:

• kraftbørs = a power exchange
• kraftbørsen = the power exchange

and

• markedspris = a market price
• markedsprisen = the market price

Instead of putting a separate word before the noun, Norwegian usually adds the definite article to the end.

Because Norwegian usually expresses definiteness with a suffix on the noun.

English says:

• the market price

Norwegian says:

• markedsprisen

Likewise:

• the power exchange = kraftbørsen

So the idea of the is already built into the nouns themselves.

Påvirker is the present tense of the verb å påvirke, which means to influence or to affect.

Examples:

• å påvirke = to influence
• påvirker = influences / is influencing

In this sentence, påvirker matches English influences.

In Norwegian, verbs usually do not change according to the subject in the present tense.

So you get:

• jeg påvirker = I influence
• du påvirker = you influence
• han påvirker = he influences
• de påvirker = they influence

This is much simpler than English, where only he/she/it takes -s in the present tense.

The sentence uses normal Norwegian main-clause word order:

subject + verb + object

• Kraftbørsen = subject
• påvirker = verb
• markedsprisen = object

So it works very much like English here.

A literal structure would be:

• The power exchange influences the market price

Both nouns are in the common gender in Bokmål, which is why the definite singular ending is -en.

• en kraftbørs → kraftbørsen
• en markedspris → markedsprisen

In Bokmål, many nouns are either common gender or neuter. Common gender nouns often take:

• indefinite singular: en
• definite singular: -en

That is exactly what you see here.

Because markedspris is made from:

• marked = market
• pris = price

Together they form market price. Then the definite ending is added:

• markedspris = market price
• markedsprisen = the market price

A useful thing to notice is the -s- in the middle: markedspris. That linking s often appears in Norwegian compounds.

It is a real and natural Norwegian word, especially in economics, electricity markets, business news, and energy policy contexts. In everyday conversation, people might only use it if they are talking about electricity prices, trading, or the energy sector.

So it is not unusual, but it is more specialized than very basic everyday vocabulary.

A rough pronunciation guide for an English speaker is:

• Kraftbørsen ≈ KRAHFT-bur-sen
• påvirker ≈ POH-veer-ker
• markedsprisen ≈ MAR-kehds-pree-sen

A few helpful notes:

• å / på sounds like a long aw/o sound, not like English a
• y in påvirker is a rounded vowel that English does not really have; it is somewhat like saying ee while rounding your lips
• ø in børsen also has no exact English equivalent; it is a rounded front vowel

If you want, I can also give a more precise pronunciation breakdown word by word.