Frequency control ancillary services (FCAS) prices

Returns regional FCAS market prices across the eight contingency services plus the two regulation services. Ten services are live in the NEM since R1/L1 Very Fast commenced on 9 October 2023.

Usage

aemo_fcas(region, start, end, service = NULL, intervention = FALSE)

Arguments

region

NEM region code.

start, end

Window (inclusive).

service

Optional character vector of service names (e.g. "RAISE6SEC", "LOWER60SEC", "RAISE1SEC").

intervention

Logical. See aemo_price().

Value

An aemo_tbl with one row per interval and columns for each requested FCAS RRP (AUD/MW).

Details

Thin wrapper over aemo_price(..., market = "fcas").

See also

Other price: aemo_price()

Examples

# \donttest{
op <- options(aemo.cache_dir = tempdir())
try({
  now <- Sys.time()
  f <- aemo_fcas("NSW1", now - 3600, now)
  head(f)
})
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#> 
#> # aemo_tbl: AEMO 5min fcas price NSW1
#> # Source:   http://nemweb.com.au
#> # Licence:  AEMO Copyright Permissions Notice
#> # Retrieved: 2026-04-28 19:14 UTC 
#> # Rows: 6  Cols: 14
#> 
#>        settlementdate regionid runno intervention raise6secrrp raise60secrrp
#> 1 2026-04-29 04:15:00     NSW1     1            0         0.09          0.15
#> 2 2026-04-29 04:20:00     NSW1     1            0         0.09          0.15
#> 3 2026-04-29 04:25:00     NSW1     1            0         0.10          0.15
#> 4 2026-04-29 04:30:00     NSW1     1            0         0.09          0.10
#> 5 2026-04-29 04:35:00     NSW1     1            0         0.09          0.10
#> 6 2026-04-29 04:40:00     NSW1     1            0         0.09          0.10
#>   raise5minrrp raiseregrrp lower6secrrp lower60secrrp lower5minrrp lowerregrrp
#> 1         0.03        5.50            0             0            0        1.20
#> 2         0.03        5.50            0             0            0        1.62
#> 3         0.03        6.03            0             0            0        1.20
#> 4         0.03        6.03            0             0            0        1.20
#> 5         0.03        3.47            0             0            0        1.00
#> 6         0.02        3.47            0             0            0        0.72
#>   raise1secrrp lower1secrrp
#> 1         0.03            0
#> 2         0.03            0
#> 3         0.03            0
#> 4         0.03            0
#> 5         0.03            0
#> 6         0.03            0
options(op)
# }