35  Sub-Module 6.5-D

SignalsPack Generator Repository, Interface Contract v0.1.0

NoteNode Declaration — SM-6.5-D: SignalsPack Generator Repository, Interface Contract v0.1.0

Field	Content
Tier	Sub-Module
Status	✓ Complete
Assumes	§6.5
Contributes	Complete specification of the SignalsPack Interface Contract v0.1.0 including column definitions, file naming, manifest schema, hash integrity requirements, and the upgrade class menu
Skip condition	Skip for results reading; process when verifying SignalsPack integrity, updating the Edendale GXP repository, or designing a replacement regional module
Passes to	§6.6
Sub-Modules here	None

35.1 SM-6.5-D: SignalsPack Generator Repository, Interface Contract v0.1.0

Schema version: 0.1.0 (frozen)

GXP identifier: EDN0331 (Edendale)

35.1.1 Hourly Signals File Schema

Each epoch has one hourly signals CSV file named signals_<epoch>_EDN0331.csv:

Column	Type	Units	Description
timestamp_utc	Datetime	UTC	Hourly timestamp, ISO-8601 with Z suffix
epoch	Integer	—	Planning year (2020, 2025, 2028, 2035)
gxp_id	String	—	“EDN0331”
capacity_mw	Float	MW	GXP firm capacity
baseline_import_mw	Float	MW	Existing committed load (baseline)
reserve_margin_mw	Float	MW	N-1 security reserve
headroom_mw	Float	MW	max(capacity minus baseline minus reserve, 0)
tariff_nzd_per_mwh	Float	NZD/MWh	Applicable network tariff
grid_emissions_intensity_tco2_per_mwh	Float	tCO2/MWh	Grid emissions intensity for indirect emissions accounting

35.1.2 Upgrade Option Menu

The upgrade menu is declared in upgrade_menu_EDN0331.csv:

upgrade_id	upgrade_name	additional_capacity_mw	capex_nzd	description
0	none	0	0	No upgrade required
1	fonterra_opt1_N_plus21MW	21	3,500,000	Minor transformer upgrade
2	fonterra_opt2_N_plus32MW	32	8,200,000	Subtransmission line reconfiguration
3	fonterra_opt3_N_plus97MW	97	28,500,000	Zone substation expansion
4	fonterra_opt4_N_plus150MW	150	52,000,000	Major subtransmission reinforcement

35.1.3 Manifest Schema (signals_manifest.toml)

schema_version = "0.1.0"
gxp_id = "EDN0331"
generated_at = "YYYY-MM-DDTHH:MM:SSZ"

[[files]]
epoch = 2035
filename = "signals_2035_EDN0331.csv"
sha256 = "<hex digest>"
rows = 8760
columns = ["timestamp_utc", "epoch", "gxp_id", "..."]