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This PR adds three native PV power forecast providers, giving operators more
cloud forecast sources to choose from via pvforecast.provider, alongside the
existing PVForecastAkkudoktor, PVForecastVrm and PVForecastImport:
PVForecastPVNode — native 15-minute forecasts from the pvnode.com
V2 API. Saved-site mode (GET /v2/forecast/{site_id}) where the operator enters their API key +
site id, or inline mode (POST /v2/forecast/inline) using the configured planes.
PVForecastForecastSolar — the free Forecast.Solar API (no key
required for the public endpoint). Multi-plane systems issue one request per plane and the
instantaneous powers are summed per timestamp.
PVForecastSolcast — the Solcast rooftop-site API (API key + resource id).
Implementation notes
All three populate the existing pvforecast_ac_power (and mirror pvforecast_dc_power)
prediction keys, so they slot into the optimizer unchanged.
Timezone handling: pvnode and Forecast.Solar return site-local wall-clock timestamps with an
IANA timezone field, which are resolved to absolute instants before resampling; Solcast returns
UTC period_end and is normalised to the period start.
Each provider follows the existing provider pattern (provider_id(), _request_forecast() with
@cache_in_file, _update_data()), is registered in pvforecast.py and prediction.py, and is
upstream-neutral.
Validation
27 unit tests (timezone resolution, null/zero handling, kW→W and period-start conversion,
azimuth conversion, multi-plane summation, request URL/auth, HTTP-error handling).
ruff check (F/D/S/bandit) and ruff format clean.
Each provider was additionally validated against its live API with a real plant, confirming
the response shapes (pvnode: 288 native 15-min slots; Forecast.Solar: instantaneous watts;
Solcast: kW estimates with period_end/PT30M).
Documentation
Provider descriptions and configuration examples added to docs/akkudoktoreos/prediction.md.
CHANGELOG.md entry under Unreleased.
Regenerated docs/_generated/configpvforecast.md and configexample.md.
Notes for reviewers
Forecast.Solar's free endpoint is rate-limited (12 req/hour) and Solcast's free tier limits daily
calls; both providers rely on the standard 1-hour cache_in_file TTL to stay within budget.
Authors:
The code is created by Christin. Only minor adaptions by Bobby.
Signed-off-by: Christin <info@bikinibottom.capital>
Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
Co-authored-by: Christin <info@bikinibottom.capital>
264 lines
7.9 KiB
Markdown
264 lines
7.9 KiB
Markdown
## Full example Config
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<!-- pyml disable line-length -->
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```json
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{
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"adapter": {
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"provider": [
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"HomeAssistant"
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],
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"homeassistant": {
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"config_entity_ids": null,
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"load_emr_entity_ids": null,
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"grid_export_emr_entity_ids": null,
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"grid_import_emr_entity_ids": null,
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"pv_production_emr_entity_ids": null,
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"device_measurement_entity_ids": null,
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"device_instruction_entity_ids": null,
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"solution_entity_ids": null
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},
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"nodered": {
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"host": "127.0.0.1",
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"port": 1880
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}
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},
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"cache": {
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"subpath": "cache",
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"cleanup_interval": 300.0
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},
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"database": {
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"provider": "LMDB",
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"compression_level": 0,
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"initial_load_window_h": 48,
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"keep_duration_h": 48,
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"autosave_interval_sec": 5,
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"compaction_interval_sec": 604800,
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"batch_size": 100
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},
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"devices": {
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"batteries": [
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{
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"device_id": "battery1",
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"capacity_wh": 8000,
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"charging_efficiency": 0.88,
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"discharging_efficiency": 0.88,
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"levelized_cost_of_storage_kwh": 0.0,
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"max_charge_power_w": 5000,
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"min_charge_power_w": 50,
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"charge_rates": [
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0.0,
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0.1,
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0.2,
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0.3,
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0.4,
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0.5,
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0.6,
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0.7,
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0.8,
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0.9,
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1.0
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],
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"min_soc_percentage": 0,
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"max_soc_percentage": 100
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}
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],
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"max_batteries": 1,
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"electric_vehicles": [
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{
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"device_id": "battery1",
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"capacity_wh": 8000,
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"charging_efficiency": 0.88,
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"discharging_efficiency": 0.88,
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"levelized_cost_of_storage_kwh": 0.0,
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"max_charge_power_w": 5000,
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"min_charge_power_w": 50,
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"charge_rates": [
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0.0,
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0.1,
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0.2,
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0.3,
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0.4,
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0.5,
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0.6,
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0.7,
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0.8,
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0.9,
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1.0
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],
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"min_soc_percentage": 0,
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"max_soc_percentage": 100
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}
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],
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"max_electric_vehicles": 1,
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"inverters": [],
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"max_inverters": 1,
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"home_appliances": [],
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"max_home_appliances": 1
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},
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"elecprice": {
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"provider": "ElecPriceAkkudoktor",
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"charges_kwh": 0.21,
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"vat_rate": 1.19,
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"elecpricefixed": {
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"time_windows": {
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"windows": []
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}
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},
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"elecpriceimport": {
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"import_file_path": null,
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"import_json": null
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},
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"energycharts": {
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"bidding_zone": "DE-LU"
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}
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},
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"ems": {
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"startup_delay": 5.0,
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"interval": 300.0,
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"mode": "OPTIMIZATION"
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},
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"feedintariff": {
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"provider": "FeedInTariffFixed",
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"provider_settings": {
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"FeedInTariffFixed": null,
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"FeedInTariffImport": null
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}
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},
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"general": {
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"config_save_mode": "AUTOMATIC",
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"config_save_interval_sec": 60,
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"version": "0.0.0",
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"data_folder_path": "/home/user/.local/share/net.akkudoktoreos.net",
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"data_output_subpath": "output",
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"latitude": 52.52,
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"longitude": 13.405
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},
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"load": {
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"provider": "LoadAkkudoktor",
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"loadakkudoktor": {
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"loadakkudoktor_year_energy_kwh": null
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},
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"loadvrm": {
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"load_vrm_token": "your-token",
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"load_vrm_idsite": 12345
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},
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"loadimport": {
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"import_file_path": null,
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"import_json": null
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}
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},
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"logging": {
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"console_level": "TRACE",
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"file_level": "TRACE"
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},
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"measurement": {
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"historic_hours": 17520,
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"load_emr_keys": [
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"load0_emr"
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],
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"grid_export_emr_keys": [
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"grid_export_emr"
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],
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"grid_import_emr_keys": [
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"grid_import_emr"
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],
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"pv_production_emr_keys": [
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"pv1_emr"
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]
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},
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"optimization": {
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"horizon_hours": 24,
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"interval": 3600,
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"algorithm": "GENETIC",
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"genetic": {
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"individuals": 400,
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"generations": 400,
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"seed": null,
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"penalties": {
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"ev_soc_miss": 10
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}
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}
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},
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"prediction": {
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"hours": 48,
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"historic_hours": 48
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},
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"pvforecast": {
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"provider": "PVForecastAkkudoktor",
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"provider_settings": {
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"PVForecastImport": null,
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"PVForecastVrm": null,
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"PVForecastPVNode": null,
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"PVForecastForecastSolar": null,
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"PVForecastSolcast": null
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},
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"planes": [
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{
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"surface_tilt": 10.0,
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"surface_azimuth": 180.0,
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"userhorizon": [
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10.0,
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20.0,
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30.0
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],
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"peakpower": 5.0,
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"pvtechchoice": "crystSi",
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"mountingplace": "free",
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"loss": 14.0,
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"trackingtype": 0,
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"optimal_surface_tilt": false,
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"optimalangles": false,
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"albedo": null,
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"module_model": null,
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"inverter_model": null,
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"inverter_paco": 6000,
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"modules_per_string": 20,
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"strings_per_inverter": 2
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},
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{
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"surface_tilt": 20.0,
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"surface_azimuth": 90.0,
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"userhorizon": [
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5.0,
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15.0,
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25.0
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],
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"peakpower": 3.5,
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"pvtechchoice": "crystSi",
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"mountingplace": "free",
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"loss": 14.0,
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"trackingtype": 1,
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"optimal_surface_tilt": false,
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"optimalangles": false,
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"albedo": null,
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"module_model": null,
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"inverter_model": null,
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"inverter_paco": 4000,
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"modules_per_string": 20,
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"strings_per_inverter": 2
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}
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],
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"max_planes": 1
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},
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"server": {
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"host": "127.0.0.1",
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"port": 8503,
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"verbose": false,
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"startup_eosdash": true,
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"eosdash_host": "127.0.0.1",
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"eosdash_port": 8504,
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"eosdash_supervise_interval_sec": 10,
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"run_as_user": null,
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"reload": true
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},
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"utils": {},
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"weather": {
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"provider": "WeatherImport",
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"provider_settings": {
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"WeatherImport": null
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}
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}
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}
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```
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<!-- pyml enable line-length -->
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