diff --git a/qsdsan/__init__.py b/qsdsan/__init__.py
index 276f3f79..c667a18c 100644
--- a/qsdsan/__init__.py
+++ b/qsdsan/__init__.py
@@ -45,7 +45,6 @@
 Flowsheet = _bst.Flowsheet
 main_flowsheet = _bst.main_flowsheet
 default_utilities = _bst.default_utilities
-CEPCI_by_year = _bst.units.design_tools.CEPCI_by_year
 
 # Global variables
 currency = 'USD'
@@ -54,6 +53,7 @@
 
 
 from . import utils
+CEPCI_by_year = utils.indices.tea_indices['CEPCI']
 from ._component import *
 from ._components import *
 from ._sanstream import *
diff --git a/qsdsan/utils/__init__.py b/qsdsan/utils/__init__.py
index 5f5317b3..af8be569 100644
--- a/qsdsan/utils/__init__.py
+++ b/qsdsan/utils/__init__.py
@@ -47,6 +47,7 @@
     formatting,
     loading,
     dynamics,
+    indices,
     misc,
     model_eval,
     parsing,
@@ -62,6 +63,7 @@
 from .formatting import *
 from .loading import *
 from .dynamics import *
+from .indices import *
 from .misc import *
 from .model_eval import *
 from .parsing import *
@@ -79,6 +81,7 @@
     *formatting.__all__,
     *loading.__all__,
     *dynamics.__all__,
+    *indices.__all__,
     *model_eval.__all__,
     *misc.__all__,
     *parsing.__all__,
diff --git a/qsdsan/utils/indices.py b/qsdsan/utils/indices.py
new file mode 100644
index 00000000..f5b7afad
--- /dev/null
+++ b/qsdsan/utils/indices.py
@@ -0,0 +1,198 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+'''
+QSDsan: Quantitative Sustainable Design for sanitation and resource recovery systems
+
+This module is developed by:
+    
+    Yalin Li <mailto.yalin.li@gmail.com>
+
+This module is under the University of Illinois/NCSA Open Source License.
+Please refer to https://github.com/QSD-Group/QSDsan/blob/main/LICENSE.txt
+for license details.
+'''
+
+__all__ = (
+    'tea_indices',
+    )
+
+
+# %%
+
+CEPCI = {
+    1990: 357.6,
+    1991: 361.3,
+    1992: 358.2,
+    1993: 359.2,
+    1994: 368.1,
+    1995: 381.1,
+    1996: 381.7,
+    1997: 386.5,
+    1998: 389.5,
+    1999: 390.6,
+    2000: 394.1,
+    2001: 394.3,
+    2002: 395.6,
+    2003: 402.0,
+    2004: 444.2,
+    2005: 468.2,
+    2006: 499.6,
+    2007: 525.4,
+    2008: 575.4,
+    2009: 521.9,
+    2010: 550.8,
+    2011: 585.7,
+    2012: 584.6,
+    2013: 567.3,
+    2014: 576.1,
+    2015: 556.8,
+    2016: 541.7,
+    2017: 567.5,
+    2018: 603.1,
+    2019: 607.5,
+    2020: 596.2,
+    2021: 708.8,
+    2022: 816.0,
+    2023: 798.0,
+    }
+
+ChemPPI = {
+    1984: 100.0,
+    1985: 100.8,
+    1986: 100.6,
+    1987: 103.6,
+    1988: 113.0,
+    1989: 119.6,
+    1990: 121.0,
+    1991: 124.4,
+    1992: 125.8,
+    1993: 127.2,
+    1994: 130.0,
+    1995: 143.4,
+    1996: 145.8,
+    1997: 147.1,
+    1998: 148.7,
+    1999: 149.7,
+    2000: 156.7,
+    2001: 158.4,
+    2002: 157.3,
+    2003: 164.6,
+    2004: 172.8,
+    2005: 187.2,
+    2006: 196.8,
+    2007: 203.3,
+    2008: 228.2,
+    2009: 224.7,
+    2010: 233.7,
+    2011: 252.1,
+    2012: 260.3,
+    2013: 263.9,
+    2014: 269.2,
+    2015: 264.8,
+    2016: 267.1,
+    2017: 277.6,
+    2018: 290.2,
+    2019: 292.1,
+    2020: 289.0,
+    2021: 708.8,
+    2022: 816.0,
+    'Seider': 567.0,
+    }
+
+# U.S. Energy Information Administration (EIA) Annual Energy Outlook (AEO)
+GDP = {
+  2003: 0.808,
+  2005: 0.867,
+  2007: 0.913,
+  2008: 0.941,
+  2009: 0.951,
+  2010: 0.962,
+  2011: 0.983,
+  2012: 1.000,
+  2013: 1.014,
+  2014: 1.033,
+  2015: 1.046,
+  2016: 1.059,
+  2017: 1.078,
+  2018: 1.100,
+  2019: 1.123,
+  2020: 1.133,
+  2021: 1.181,
+  2022: 1.269,
+  2023: 1.322,
+  2024: 1.354,
+  }
+
+# https://data.bls.gov/cgi-bin/srgate; CEU3232500008; Chemicals
+labor = {
+    1990: 12.85,
+    1991: 13.30,
+    1992: 13.70,
+    1993: 13.97,
+    1994: 14.33,
+    1995: 14.86,
+    1996: 15.37,
+    1997: 15.78,
+    1998: 16.23,
+    1999: 16.40,
+    2000: 17.09,
+    2001: 17.57,
+    2002: 17.97,
+    2003: 18.50,
+    2004: 19.17,
+    2005: 19.67,
+    2006: 19.60,
+    2007: 19.55,
+    2008: 19.50,
+    2009: 20.30,
+    2010: 21.07,
+    2011: 21.45,
+    2012: 21.45,
+    2013: 21.40,
+    2014: 21.49,
+    2015: 21.76,
+    2016: 22.72,
+    2017: 24.28,
+    2018: 25.46,
+    2019: 25.46,
+    2020: 26.04,
+    2021: 26.69,
+    2022: 27.35,
+    2023: 29.77,
+    }
+
+# Federal Reserve Economic Data, Personal Consumption Expenditures: Chain-type Price Index, Index 2017=1.00, Annual, Seasonally Adjusted
+PCEPI = {
+    2000: 73.822,
+    2001: 75.302,
+    2002: 76.291,
+    2003: 77.894        ,
+    2004: 79.827,
+    2005: 82.127,
+    2006: 84.440,
+    2007: 86.607,
+    2008: 89.170,
+    2009: 88.921,
+    2010: 90.514,
+    2011: 92.804,
+    2012: 94.534,
+    2013: 95.781,
+    2014: 97.121,
+    2015: 97.299,
+    2016: 98.284,
+    2017: 100.000,
+    2018: 102.047,
+    2019: 103.513,
+    2020: 104.635,
+    2021: 109.001,
+    2022: 116.043,
+    2023: 120.380,
+    2024: 121.966,
+    }
+
+tea_indices = {
+    'CEPCI': CEPCI,
+    'ChemPPI': ChemPPI,
+    'labor': labor,
+    'PCEPI': PCEPI,
+    }
\ No newline at end of file