Imbalance and KUPST costs using EPTR2

eptr2_cost_calc.py

from eptr2.util.costs import calculate_diff_cost

res = calculate_diff_cost(
    actual=50, forecast=100, mcp=1000.0, smp=2500.0, prod_source="solar"
)

## print(res)
# {
#     "imbalances": {
#         "diff": -50,
#         "dsg_imbalance": -5.0,
#         "net_dsg_imbalance": -5.0,
#         "individual_imbalance": -45.0,
#         "imb_tol_value": 5.0,
#     },
#     "imb_side": "neg",
#     "costs": {
#         "ind_imbalance_cost": 70875.0,
#         "dsg_imb_cost": 7875.0,
#         "net_dsg_imb_cost": 7875.0,
#         "total_imb_cost": 78750.0,
#     },
#     "kupst": {
#         "kupst_tol_perc": 0.1,
#         "kupsm_tol": 10.0,
#         "kupsm": 40.0,
#         "unit_kupst_cost": 75.0,
#         "kupst_cost": 3000.0,
#     },
# }