Table 3: Estimated costs and benefits of implementing national environmental standards

Monitoring plans and making submissions on plans, appeals to the Environment Court

Benefits

None

Possible benefits from not responding to Transpower submissions on plans (not quantified)

Not quantified

$163,000 for transmission activities NES;

$ 5,800 for transmission risks NES option A, $29,000 option B

None

Implementation

Costs

None

$20,000 per year for first 3 years only for transmission activities NES;

$60,000 in first year only for risks NES

None

Not quantified

$200,000 cost over 2 years for one or both NES

Authorisations under transmission activities NES:

Benefits

None

Not quantified

None

$176,000 in year 1, rising to $528,000 in year 10

Not quantified

Costs

None

$11,000 cost in year 1, rising to $33,000 in year 10

Not quantified

Cost reduction – see benefits

None

Plan changes

Costs

Not quantified

$510,000 over first 2 years

Not quantified

Not quantified

None

Transpower costs of rectifying NZECP 34 violations

Costs

None

None

Not quantified

$443,000 benefit per year option A; $938,000 benefit per year option B

None

Resource consents for third-party activities

Cost

None

(analysis assumes consents obtained by landowners)

$12,000 first 3 years, $8,000 from year 4 for option A; $27,000 in first 3 years and $21,000 from year 4 for option B

$109,000 cost option A for first 3 years, $84,000 from year 4; $269,000 cost for first 3 years option B, $207,000 from year 4

$9,000 benefit per year option A; $22,000 cost per year option B

None

Enforcement of risks NES

Costs

None

$300,000 over first 3 years; $50,000 per year from year 4

Not quantified

None

None

Monitoring risks NES

Costs

None

$25,000 per year for 3 years

None

None

None

Supply disruption, loss of life

Benefits

Potential benefits from increases security of supply and preventing loss of life, but not possible to estimate frequency